{ "model": { "rank": 6392, "code": "thing-q47591", "model_id": "vr.tr.byzantine-architecture", "name": "Byzantine architecture", "purpose": "Enable an AI agent to recognise Byzantine architectural traditions in buildings and ensembles, assess the evidence and surviving fabric, and identify appropriate investigation, interpretation or conservation actions.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.ACT", "industry": "", "version": "", "url": "/models/thing/q47591/", "tier": 2, "score": 60, "payload": { "layer": "wikidata", "aliases": [ "Templon", "Rascian architecture", "Serbo-Byzantine architecture", "Byzantine Revival architecture", "Neo-Byzantine architecture in the Russian Empire" ], "aliasCount": 5, "merged": 5, "knownIn": 60, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q47591", "url": "https://www.wikidata.org/wiki/Q47591", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:16:41Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01093848, "turns": 1, "seconds": 233.7, "error": null }, "codex": { "seconds": 106.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c34-196f-7c60-a8bf-5068640d4a15\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Byzantine architecture\nRegistry id: vr.tr.byzantine-architecture\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into" } } }, "metaModel": { "id": "THING-Q47591", "registryId": "vr.tr.byzantine-architecture", "name": "Byzantine architecture", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q47591/", "model": { "registry_id": "vr.tr.byzantine-architecture", "name": "Byzantine architecture", "purpose": "Enable an AI agent to recognise Byzantine architectural traditions in buildings and ensembles, assess the evidence and surviving fabric, and identify appropriate investigation, interpretation or conservation actions.", "definition": "Byzantine architecture is the building tradition of the Eastern Roman Empire from the fourth century to 1453, and of the Orthodox and imperial workshops that continued its methods, defined structurally by brick-and-thick-mortar masonry and the pendentive (or squinch) dome over a square bay, and spatially by interiors organized for liturgy, mosaic theophany, and court or monastic ceremony.", "scope_statement": "This model owns the architectural attribution, spatial organisation, construction logic, use and transformation of works associated with Byzantine building traditions, distinguishing observed fabric from historical reconstruction and later imitation.", "in_scope": [ "Attribution of buildings, ensembles and construction phases to Byzantine architectural traditions, with evidence and uncertainty.", "Religious, domestic, palatial, defensive and infrastructural architecture, including fragmentary remains.", "Relationships between plans, vaulting, supports, materials and building sequences.", "Architectural accommodation of worship, ceremony, habitation, circulation and controlled access.", "Integration of light, architectural decoration and furnishings with built space.", "Survival, alteration and intervention constraints affecting the legibility of Byzantine fabric." ], "out_of_scope": [ "General Byzantine political, military and ecclesiastical history beyond its bearing on architectural attribution or use.", "Independent cataloguing and interpretation of portable icons, manuscripts, vessels and other artworks.", "Detailed structural engineering calculations and certification of building safety.", "Property ownership, statutory designation and consent procedures, which require linked legal and heritage records.", "Autonomous models of Ottoman, Romanesque, Armenian, Georgian or Byzantine Revival architecture.", "Complete archaeological site inventories and excavation management." ], "distinguishing_features": [ "Test whether dating, building sequence and historical context support a Byzantine attribution; a modern Byzantine Revival building may reproduce the appearance without sharing the historical construction tradition.", "Test the combination of plan, vaulting, support transitions and regional construction practice; a dome, pendentives or mosaics alone cannot establish attribution.", "Distinguish inherited late Roman or early Christian fabric from subsequent Byzantine construction phases instead of assigning one label to the whole building.", "For a proposed cross-in-square church, verify the arrangement of the central bay, cross arms, corner compartments and supports rather than inferring the type from a cruciform outline.", "Distinguish Byzantine construction, documented exchange with neighbouring traditions and later adaptation; Orthodox use or location within former imperial territory is insufficient by itself." ], "characteristics": [ { "name": "Architectural attribution", "kind": "category", "unit_or_values": "Byzantine tradition; related regional tradition; Byzantine-influenced; later revival; disputed; undetermined", "why_it_matters": "Separates historical participation, cultural exchange and imitation without forcing uncertain cases into a single category." }, { "name": "Construction phase date", "kind": "measurement", "unit_or_values": "Calendar year or interval per phase, with dating method and uncertainty", "why_it_matters": "Prevents later domes, chapels or surface treatments from being treated as evidence for the original design." }, { "name": "Regional and workshop connections", "kind": "relation", "unit_or_values": "Links to places, comparanda, patrons and attributed workshops, each with supporting evidence", "why_it_matters": "Allows attribution to account for regional practice and the movement of builders." }, { "name": "Architectural function", "kind": "category", "unit_or_values": "Church; monastic complex; palace; dwelling; fortification; cistern; other evidenced function; unknown; recorded per phase", "why_it_matters": "Keeps church-specific expectations from being imposed on every Byzantine building." }, { "name": "Plan and spatial organisation", "kind": "category", "unit_or_values": "Basilican; centralised; cross-in-square; longitudinal hall; courtyard arrangement; composite; other described configuration; unresolved", "why_it_matters": "Supports comparison while preserving irregular and phased arrangements." }, { "name": "Roof and support configuration", "kind": "relation", "unit_or_values": "Roof or vault element linked to its pendentives, squinches, arches, columns, piers or walls; absent and unknown distinguished", "why_it_matters": "Records how the architectural spaces and their supporting fabric fit together." }, { "name": "Principal spans", "kind": "measurement", "unit_or_values": "Metres, identifying the bay, dome or opening, survey method and uncertainty", "why_it_matters": "Makes comparisons of scale explicit and supports referral for structural assessment." }, { "name": "Fabric survival", "kind": "state", "unit_or_values": "In situ; displaced; repaired; reconstructed; concealed; lost; unassessed, recorded by element", "why_it_matters": "Separates what can be observed from what depends on reconstruction." }, { "name": "Use and accessibility", "kind": "state", "unit_or_values": "Current use, accessible zones, restricted zones and observed access limitations", "why_it_matters": "Makes investigation and interpretation compatible with the building's present occupation." }, { "name": "Architectural condition", "kind": "state", "unit_or_values": "Observed cracking, deformation, moisture, surface loss, detachment or no recorded concern, with location and observation date", "why_it_matters": "Connects visible change to monitoring and specialist review without implying a safety certification." } ], "affordances": [ "Construct an evidence-qualified attribution for a building or individual construction phase.", "Compare plans, structural arrangements and masonry practices with dated regional examples.", "Identify missing observations that would discriminate between competing reconstructions.", "Map architectural changes against changes in worship, occupation or institutional use.", "Prioritise documentation and specialist assessment of threatened or poorly understood fabric.", "Evaluate proposed access, interpretation or conservation actions against significant surviving features and linked permissions." ] }, "sources": [ { "id": "krautheimer-curcic-1986", "title": "Early Christian and Byzantine Architecture (Pelican History of Art, 4th ed. with Slobodan Ćurčić)", "url": "", "what_it_supports": "Periodization, plan types (basilica, central plan, cross-in-square), and the distinction between Constantinopolitan and regional schools." }, { "id": "mango-1976", "title": "Byzantine Architecture (History of World Architecture; Electa / Harry N. Abrams / Rizzoli)", "url": "", "what_it_supports": "Construction technique (brick, mortar, vaulting), the role of Constantinople as a model, and the reading of buildings as imperial and liturgical instruments." }, { "id": "ousterhout-2019", "title": "Eastern Medieval Architecture: The Building Traditions of Byzantium and Neighboring Lands (Oxford University Press)", "url": "", "what_it_supports": "Workshop practice, regional variation, and the boundary with Armenian, Georgian, Islamic, and Slavic building traditions." }, { "id": "mainstone-1988", "title": "Hagia Sophia: Architecture, Structure and Liturgy of Justinian's Great Church (Thames and Hudson)", "url": "", "what_it_supports": "Measured structural behaviour of the pendentive dome, recorded collapses, and the scale that marks imperial as opposed to parish building." }, { "id": "procopius-buildings", "title": "Procopius, Buildings (De Aedificiis), Loeb Classical Library (Harvard University Press)", "url": "", "what_it_supports": "Primary sixth-century account of Justinianic patronage, Hagia Sophia, and the imperial programme of churches, walls, and cisterns." }, { "id": "wikipedia-byzantine-architecture", "title": "Byzantine architecture (English Wikipedia)", "url": "https://en.wikipedia.org/wiki/Byzantine_architecture", "what_it_supports": "Conventional public identifiers, monument list, and the modern scholarly name of the tradition.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "attribution-and-transmission", "name": "Attribution and transmission", "description": "Establish what is being called Byzantine, for which phase, and on what grounds.", "rationale": "Visual resemblance, historical territory and religious affiliation provide different kinds of evidence and must not be treated as interchangeable.", "layers": [ { "id": "chronology-and-evidence", "name": "Chronology and evidence", "description": "Connect proposed dates and architectural labels to identifiable evidence.", "findings": [ { "id": "phase-specific-attribution", "name": "Phase-specific attribution", "description": "Record the attribution of each relevant construction phase, its supporting observations or sources, and credible alternatives.", "questions": [ { "text": "Which inscriptions, documents, archaeological relationships or dated comparisons support the proposed attribution?", "kind": "provenance", "id": "phase-specific-attribution-q01" }, { "text": "Does that evidence date the surviving fabric, an earlier foundation, a repair or a later dedication?", "kind": "boundary", "id": "phase-specific-attribution-q02" } ] } ] }, { "id": "regional-connections", "name": "Regional connections", "description": "Distinguish shared traditions, transferred practices and later imitation.", "findings": [ { "id": "tradition-or-influence", "name": "Tradition or influence", "description": "Record whether an association rests on construction practice, patronage, builder movement, formal resemblance or a later historical label.", "questions": [ { "text": "Which regional comparanda support participation in a Byzantine building tradition rather than resemblance alone?", "kind": "provenance", "id": "tradition-or-influence-q01" }, { "text": "Should this phase be classified as Byzantine, a neighbouring tradition with Byzantine connections, a later revival or unresolved?", "kind": "boundary", "id": "tradition-or-influence-q02" } ] } ] } ] }, { "id": "plan-and-spatial-hierarchy", "name": "Plan and spatial hierarchy", "description": "Describe the arrangement of spaces, their vertical relationships and the limits of typological labels.", "rationale": "Cross-in-square arrangements are relevant to parts of the church corpus, but cannot stand for the entire tradition. See [Middle Byzantine church architecture](https://smarthistory.org/middle-byzantine-church-architecture/).", "layers": [ { "id": "plan-and-section", "name": "Plan and section", "description": "Record observed spatial configuration before assigning a named type.", "findings": [ { "id": "spatial-type-and-departures", "name": "Spatial type and departures", "description": "Identify principal spaces, bays, apses, courts and upper levels, distinguishing surviving geometry from reconstructed form.", "questions": [ { "text": "Which observed plan and section relationships justify the proposed architectural type?", "kind": "definition", "id": "spatial-type-and-departures-q01" }, { "text": "What are the principal bay dimensions, level differences and deviations from the proposed type?", "kind": "measurement", "id": "spatial-type-and-departures-q02" } ] } ] }, { "id": "thresholds-and-connections", "name": "Thresholds and connections", "description": "Explain how entrances, adjoining spaces and vertical routes organise movement.", "findings": [ { "id": "routes-and-spatial-priority", "name": "Routes and spatial priority", "description": "Record connections among principal rooms, narthexes, galleries, chapels, courts or service spaces where applicable.", "questions": [ { "text": "Which openings and routes belong to the phase being modelled, and which were inserted or blocked later?", "kind": "provenance", "id": "routes-and-spatial-priority-q01" }, { "text": "Which spaces were directly connected, separated by thresholds or accessible only through another space?", "kind": "definition", "id": "routes-and-spatial-priority-q02" } ] } ] } ] }, { "id": "vaulting-and-building-fabric", "name": "Vaulting and building fabric", "description": "Record the relationship between overhead forms, supports, masonry and construction sequence.", "rationale": "Dome-support relationships are useful architectural evidence, but require direct description rather than recognition from a silhouette. See [Innovative architecture in the age of Justinian](https://smarthistory.org/innovative-architecture-in-the-age-of-justinian/).", "layers": [ { "id": "roof-to-support-relationships", "name": "Roof-to-support relationships", "description": "Trace visible relationships between roofs or vaults and supporting elements.", "findings": [ { "id": "support-system", "name": "Support system", "description": "Describe domes, drums, vaults and timber roofs where present, including transitions and supports without presuming structural adequacy.", "questions": [ { "text": "How does each roof or vault connect to arches, pendentives, squinches, piers, columns or walls?", "kind": "definition", "id": "support-system-q01" }, { "text": "Which spans, support dimensions and visible deformations have been measured, and with what uncertainty?", "kind": "measurement", "id": "support-system-q02" } ] } ] }, { "id": "masonry-and-assembly", "name": "Masonry and assembly", "description": "Use materials, joints and assembly relationships to distinguish building campaigns.", "findings": [ { "id": "fabric-sequence-and-reuse", "name": "Fabric sequence and reuse", "description": "Record brick, stone, mortar, reused components and construction joints as evidence, separating observation from workshop or dating hypotheses.", "questions": [ { "text": "Which bonding patterns, abutments and material changes distinguish original work, additions and repairs?", "kind": "provenance", "id": "fabric-sequence-and-reuse-q01" }, { "text": "What evidence identifies reused components, and does it establish their earlier setting or only their reuse here?", "kind": "provenance", "id": "fabric-sequence-and-reuse-q02" } ] } ] } ] }, { "id": "use-and-institutional-setting", "name": "Use and institutional setting", "description": "Relate architectural arrangements to documented activities and institutional relationships.", "rationale": "A building's use helps explain its spaces, but function cannot safely be inferred from plan alone.", "layers": [ { "id": "ritual-and-occupation", "name": "Ritual and occupation", "description": "Distinguish evidenced activities from functions suggested by architectural form.", "findings": [ { "id": "activities-and-access-zones", "name": "Activities and access zones", "description": "For churches, relate sanctuary, naos, screens and ancillary rooms to evidenced practices; for other buildings, record their own operational arrangements.", "questions": [ { "text": "What evidence connects particular spaces to worship, burial, residence, defence, storage or water management?", "kind": "provenance", "id": "activities-and-access-zones-q01" }, { "text": "Which proposed access restrictions or ceremonial routes are documented, and which remain interpretive hypotheses?", "kind": "boundary", "id": "activities-and-access-zones-q02" } ] } ] }, { "id": "ensemble-and-patronage", "name": "Ensemble and patronage", "description": "Locate the work within its architectural ensemble and commissioning context.", "findings": [ { "id": "dependencies-and-commissioning", "name": "Dependencies and commissioning", "description": "Record functional connections to neighbouring buildings, terrain and infrastructure, together with evidenced patronage.", "questions": [ { "text": "Which adjacent structures or infrastructure were necessary to the building's operation during the modelled phase?", "kind": "definition", "id": "dependencies-and-commissioning-q01" }, { "text": "Which sources connect patrons or institutions to a specific building campaign rather than later possession or commemoration?", "kind": "provenance", "id": "dependencies-and-commissioning-q02" } ] } ] } ] }, { "id": "light-surfaces-and-furnishings", "name": "Light, surfaces and furnishings", "description": "Record how openings, finishes and fixed furnishings participate in architectural space.", "rationale": "Bare masonry and present lighting may not represent the spatial experience of the phase being interpreted.", "layers": [ { "id": "illumination-and-perception", "name": "Illumination and perception", "description": "Connect openings and evidenced artificial lighting to visibility within the building.", "findings": [ { "id": "phase-specific-lighting", "name": "Phase-specific lighting", "description": "Distinguish surviving openings and documented lighting provisions from modern glazing, electrical lighting and speculative reconstructions.", "questions": [ { "text": "Which windows, screens and lighting fixtures are evidenced for the selected phase?", "kind": "provenance", "id": "phase-specific-lighting-q01" }, { "text": "Under what daylight or artificial-light conditions were visibility and illumination measured?", "kind": "measurement", "id": "phase-specific-lighting-q02" } ] } ] }, { "id": "surface-and-furnishing-placement", "name": "Surface and furnishing placement", "description": "Locate architectural finishes and furnishings without absorbing independent artwork catalogues.", "findings": [ { "id": "decorative-spatial-relationships", "name": "Decorative spatial relationships", "description": "Map mosaics, plaster, marble revetment, floors, screens and other fixed elements to their architectural supports and installation phases.", "questions": [ { "text": "Which finishes and furnishings survive in their original position, and which are displaced, restored or known only from records?", "kind": "provenance", "id": "decorative-spatial-relationships-q01" }, { "text": "Which relationships to entrances, sanctuary boundaries, domes or sightlines are observable, and which symbolic interpretations require further evidence?", "kind": "boundary", "id": "decorative-spatial-relationships-q02" } ] } ] } ] }, { "id": "transformation-and-intervention", "name": "Transformation and intervention", "description": "Assess how conversion, repair, loss and current occupation affect the surviving architectural evidence.", "rationale": "An agent needs to distinguish historical change from current deterioration before recommending documentation or intervention.", "layers": [ { "id": "survival-and-alteration", "name": "Survival and alteration", "description": "Track the survival and changing interpretation of architectural elements.", "findings": [ { "id": "legibility-of-building-phases", "name": "Legibility of building phases", "description": "Record rebuilding, conversion, excavation and restoration, including where later work conceals or supplies the appearance of Byzantine fabric.", "questions": [ { "text": "Which elements survive from each attributed phase, and which are concealed, replaced, reconstructed or lost?", "kind": "provenance", "id": "legibility-of-building-phases-q01" }, { "text": "Where does the current presentation make an uncertain reconstruction appear to be surviving historical fabric?", "kind": "boundary", "id": "legibility-of-building-phases-q02" } ] } ] }, { "id": "condition-and-possible-actions", "name": "Condition and possible actions", "description": "Connect observed vulnerabilities and evidence gaps to bounded next steps.", "findings": [ { "id": "evidence-led-intervention", "name": "Evidence-led intervention", "description": "Identify documentation, monitoring and specialist assessment needs, considering masonry, vaults and attached finishes together.", "questions": [ { "text": "Which observed changes affect vault supports, masonry joints, moisture paths or attached mosaics and revetments, and is progression documented?", "kind": "measurement", "id": "evidence-led-intervention-q01" }, { "text": "What investigation or intervention is justified, and which specialist assessments, current-use arrangements and linked permissions must precede it?", "kind": "action", "id": "evidence-led-intervention-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Early Byzantine / Justinianic imperial (domed basilica and large central plans, c. 4th-7th centuries)", "Middle Byzantine Constantinopolitan cross-in-square katholikon (c. 9th-12th centuries)", "Late Byzantine / Palaiologan (compact, often externally articulated churches of the 13th-15th centuries)", "Ravennate and Italian Byzantine (imperial and episcopal churches of Ravenna, later Venice and Norman Sicily as hybrids)", "Hellenic cloisonné-masonry school (Greek mainland and Thessaloniki parish and monastic churches)", "Cappadocian rock-cut churches and settlements", "Balkan Slavic schools (Bulgarian, Serbian Raška and Morava, Macedonian)", "Kievan Rus' Byzantine (masonry churches that adopt Constantinopolitan planning and later develop multiple helmet or onion domes)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q12515", "note": "Item commonly sitelinked from the English Wikipedia article 'Byzantine architecture'; confirm on Wikidata before treating as a persistent catalogue key." }, { "scheme": "Library of Congress Subject Headings", "value_or_pattern": "Architecture, Byzantine", "note": "Standard bibliographic heading for the tradition as a class of buildings and a style/period." }, { "scheme": "Getty Art & Architecture Thesaurus (AAT)", "value_or_pattern": "Byzantine (culture or style)", "note": "Style/period facet used in museum and photo archives; prefer the AAT numeric subject ID from the live vocabulary rather than a memorized number." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "No named historical 'Byzantine building code' survives as a statute; construction was governed by imperial commission, workshop custom, and Orthodox liturgical requirement (narthex-naos-bema, prothesis and diakonikon).", "Convention Concerning the Protection of the World Cultural and Natural Heritage (1972), UNESCO - state-party duties for inscribed Byzantine ensembles (for example Historic Areas of Istanbul, Ravenna, Thessaloniki, Mount Athos).", "International Charter for the Conservation and Restoration of Monuments and Sites (Venice Charter, 1964), ICOMOS - doctrine applied to anastylosis and fabric repair.", "Law 3028/2002 on the Protection of Antiquities and Cultural Heritage, Hellenic Republic.", "Law No. 2863 on the Conservation of Cultural and Natural Property (1983, as amended), Republic of Türkiye.", "Code of Cultural Heritage and Landscape (Decreto legislativo 42/2004), Italian Republic - Ravenna mosaics and related monuments." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Standing churches, monasteries, palaces, land walls, and cisterns used as Orthodox (and in some cases museum or mosque) buildings, especially in Istanbul, Thessaloniki, Ravenna, the Greek mainland, the Balkans, and Mount Athos.", "Active liturgy in surviving katholika whose plan still sequences narthex, naos, and bema around a dome.", "World Heritage tourism and state conservation programmes on brick masonry, mosaic, and marble revetment.", "Source tradition for nineteenth- and twentieth-century Neo-Byzantine churches and civic buildings in Orthodox and some Catholic settings.", "Reference corpus for structural history of masonry domes and for seismic assessment of historic brick vaulting." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Dome diameter (clear span)", "typical_range": "parish and monastic katholika about 4-10; imperial Justinianic about 15-32 (Hagia Sophia about 31)", "unit": "m" }, { "quantity": "Interior height to dome crown", "typical_range": "small churches about 8-18; Hagia Sophia about 55-56", "unit": "m" }, { "quantity": "Naos plan span of a Middle Byzantine cross-in-square", "typical_range": "about 5-12", "unit": "m" }, { "quantity": "Byzantine brick thickness, with mortar beds often of similar order", "typical_range": "brick about 4-5; joints often 3-5", "unit": "cm" }, { "quantity": "Mosaic tessera size", "typical_range": "about 5-10", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Seismic cracking and partial collapse of dome, drum, and pendentives (Hagia Sophia's dome failed in 558, 989, and 1346).", "Uncontained lateral thrust of vaults and pendentives where buttressing or tie-rods are inadequate.", "Decay of thick-mortar brickwork by moisture, salts, freeze-thaw, and rising damp, especially on made ground in Constantinople.", "Detachment of marble revetment and loss of mosaic tesserae from vaults and walls.", "Fire in timber-roofed basilicas and in later timber galleries.", "Incompatible modern repairs (Portland cement pointing, rigid concrete ties, over-stiff strengthening) that trap moisture or attract seismic load.", "Programmatic damage: iconoclasm, plastering-over, conversion, and stripping of fittings." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Contemporaries called the architecture Roman (rhōmaïkos); 'Byzantine' is a modern scholarly name.", "Constantinople: recessed-brick masonry, large imperial spans, mosaic and marble interiors.", "Greek mainland and Thessaloniki: smaller cross-in-square churches, cloisonné masonry (stone blocks framed by brick courses).", "Cappadocia: tuff-cut volumes with painted rather than mosaicked decoration.", "Ravenna and Italy: mosaic-rich basilicas and octagons under western court patronage; later Venetian and Sicilian buildings are hybrids.", "Balkans: named national schools (for example Serbian Raška and Morava) rather than a single 'Byzantine' label.", "Rus': multi-dome silhouettes and later helmet or onion roofs over a Byzantine plan core.", "In the Republic of Türkiye the same monuments are often discussed as East Roman fabric within Ottoman conversion and republican museum histories." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Late Roman / Early Christian timber-roofed basilica", "difference": "Share patronage and liturgical furniture; Byzantine practice is marked when a pendentive or squinch dome on brick masonry, not a timber truss, becomes the primary spanning system over the liturgical centre." }, { "name": "Western Romanesque architecture", "difference": "Romanesque is typically ashlar or rubble stone with barrel, groin, or early rib vaults and sculpted portals; Byzantine churches are typically brick-and-mortar, dome-centred, and internally finished in mosaic or marble rather than exterior figure sculpture." }, { "name": "Armenian (and Georgian) church architecture", "difference": "Often grouped with Byzantine in popular accounts; separated by facing ashlar, conical or pyramidal roofs on cylindrical drums, and plan families (for example the Hripsime type) that do not depend on Constantinopolitan recessed brick." }, { "name": "Ottoman imperial mosque architecture", "difference": "Structurally indebted to Hagia Sophia; separated by qibla orientation, minarets, and the absence of a Christian bema and iconostasis." }, { "name": "Umayyad monumental architecture (Dome of the Rock, Great Mosque of Damascus)", "difference": "Shares Late Antique dome, mosaic, and marble vocabulary; separated by Islamic liturgical programme, patronage, and plan." }, { "name": "Neo-Byzantine revival (19th-20th centuries)", "difference": "Historicist rather than a continuous workshop tradition; dated by industrial materials, academic drawings, and modern parish or national programmes." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Byzantine architecture this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "What operational chronological and geographical boundaries should govern this registry entry, particularly for post-1453 continuities and buildings outside Byzantine political control?", "Which regional corpora and securely dated examples can support attribution without making Constantinopolitan churches the default for all Byzantine architecture?", "What function-specific extensions are needed for dwellings, palaces, fortifications and water infrastructure, whose evidence differs from the church corpus?", "How should the model express competing reconstructions where excavation, written testimony and restoration records disagree?", "Which observations can distinguish shared regional practice from demonstrable movement of builders or deliberate Byzantine imitation?" ], "statistics": { "bundles": 7, "layers": 13, "findings": 20, "questions": 32 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a Byzantine architecture, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise Byzantine architectural traditions in buildings and ensembles, assess the evidence and surviving fabric, and identify appropriate investigation, interpretation or conservation actions.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Templon, Rascian architecture, Serbo-Byzantine architecture, Byzantine Revival architecture, Neo-Byzantine architecture in the Russian Empire.", "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 60 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a Byzantine architecture, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Templon", "Rascian architecture", "Serbo-Byzantine architecture", "Byzantine Revival architecture", "Neo-Byzantine architecture in the Russian Empire" ] } ], "standing": "Described in 60 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one Byzantine architecture from another, and a Byzantine architecture from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a Byzantine architecture sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a Byzantine architecture from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a Byzantine architecture passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a Byzantine architecture between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a Byzantine architecture, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a Byzantine architecture is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "process-and-outcome", "name": "Process, inputs and outcome", "description": "How a Byzantine architecture proceeds, what it needs and what it leaves behind.", "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.", "layers": [ { "id": "steps-and-sequence", "name": "Steps and sequence", "description": "The steps of a Byzantine architecture, their order and what may run in parallel.", "findings": [ { "id": "steps-and-preconditions", "name": "Steps, preconditions and completion", "description": "What has to be true before each step of a Byzantine architecture and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "steps-and-preconditions-q02", "text": "Who or what asserted this about a step of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "steps-and-preconditions-q03", "text": "What may an agent decide or do once a step of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "inputs-and-results", "name": "Inputs, resources and results", "description": "What a Byzantine architecture consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a Byzantine architecture takes and the results it leaves, wanted or not.", "questions": [ { "id": "inputs-and-outputs-q01", "text": "What identifies and describes the inputs and results of a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "inputs-and-outputs-q02", "text": "Who or what asserted this about the inputs and results of a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "inputs-and-outputs-q03", "text": "What may an agent decide or do once the inputs and results of a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What Byzantine architecture is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of Byzantine architecture are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is Byzantine architecture operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of Byzantine architecture and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of Byzantine architecture?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as Byzantine architecture?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a Byzantine architecture came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a Byzantine architecture and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a Byzantine architecture is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a Byzantine architecture, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a Byzantine architecture, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a Byzantine architecture is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }