{ "model": { "rank": 15167, "code": "thing-q1034411", "model_id": "vr.tr.efficiency", "name": "efficiency", "purpose": "Let an agent state efficiency with its output, input, boundary and method, and not confuse it with effectiveness or productivity.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.REL", "industry": "", "version": "", "url": "/models/thing/q1034411/", "tier": 2, "score": 34, "payload": { "layer": "wikidata", "aliases": [ "organizational effectiveness", "power efficiency", "data center infrastructure efficiency", "computational efficiency", "nitrogen-use efficiency", "carbon-use efficiency", "industrial efficiency", "material efficiency", "resource efficiency", "machine operator efficiency", "code density", "eco-efficiency", "educational efficiency", "seasonal energy efficiency ratio", "efficiency ratio", "ecological efficiency", "spectral efficiency", "organizational efficiency", "operational efficiency", "photosynthetic efficiency", "Plant efficiency", "utilization factor", "water efficiency", "atom economy", "compression efficiency", "European seasonal energy efficiency ratio", "Soil Use Efficiency" ], "aliasCount": 27, "merged": 27, "knownIn": 34, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.efficiency-cognition", "source": { "dataset": "wikidata", "item": "Q1034411", "url": "https://www.wikidata.org/wiki/Q1034411", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T05:00:00Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q1034411", "registryId": "vr.tr.efficiency", "name": "efficiency", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.REL" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1034411/", "model": { "registry_id": "vr.tr.efficiency", "name": "efficiency", "purpose": "Let an agent state efficiency with its output, input, boundary and method, and not confuse it with effectiveness or productivity.", "definition": "The ratio of useful output to input for a process, device or organisation, expressed as a fraction or percentage, such as energy efficiency or resource-use efficiency.", "what_it_is_for": "Comparing how well resources are turned into results, for design, policy and management.", "affordances": [ "measure it, under a stated method", "compare it, between options defined the same way", "improve it, by reducing losses", "label it, as in energy labels" ], "distinguishing_features": [ "Output over input, a ratio", "Needs a defined boundary and method", "Different from effectiveness, which is about achieving goals", "Some metrics invert the ratio, such as PUE" ], "appearance": "A percentage or ratio on a label, datasheet or report.", "visual_identification": [ "Percentages such as 95 percent boiler efficiency", "Ratios such as PUE for data centres", "Energy labels with classes" ], "physical_properties": [ { "quantity": "range", "typical_range": "0-100", "unit": "percent", "note": "energy conversion cannot exceed 100 percent; coefficient of performance can exceed 1" } ], "families_and_kinds": [ "energy and power efficiency", "computational efficiency", "resource-use efficiency, such as nitrogen or carbon use", "organisational and industrial efficiency", "data centre infrastructure efficiency" ], "related_models": [ { "relation": "is a kind of", "target": "ratio", "why": "output to input" }, { "relation": "is confused with", "target": "effectiveness", "why": "goal achievement" }, { "relation": "is measured by", "target": "energy label", "why": "standard classes" }, { "relation": "relates to", "target": "energy", "why": "energy efficiency" } ], "identifiers": [], "standards_and_regulation": [ "EU Energy Labelling Regulation 2017/1369 and ecodesign rules", "ISO 50001 energy management", "ISO/IEC 30134-2 PUE" ], "failure_modes_and_hazards": [ "Comparing efficiencies with different boundaries", "Rebound effects that increase total use", "Optimising efficiency at the expense of safety or quality" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "definition", "name": "Definition", "description": "Output, input, boundary.", "rationale": "Efficiency means nothing without its terms.", "layers": [ { "id": "terms", "name": "Terms", "description": "What counts as output and input.", "findings": [ { "id": "terms-finding", "name": "Terms", "description": "Output and input defined.", "questions": [ { "text": "What counts as useful output and as input here?", "kind": "definition" }, { "text": "Where is the system boundary drawn?", "kind": "boundary" } ] } ] }, { "id": "metric", "name": "Metric", "description": "Percentage, ratio, inverted metric.", "findings": [ { "id": "metric-finding", "name": "Metric", "description": "The metric used.", "questions": [ { "text": "Which metric is used, and is higher better?", "kind": "definition" }, { "text": "Which standard defines it?", "kind": "provenance" } ] } ] } ] }, { "id": "measurement", "name": "Measurement", "description": "How it was measured.", "rationale": "Test conditions change results.", "layers": [ { "id": "method", "name": "Method", "description": "Test procedure.", "findings": [ { "id": "method-finding", "name": "Method", "description": "Test procedure.", "questions": [ { "text": "Under which test conditions was it measured?", "kind": "provenance" }, { "text": "How close are those to real use?", "kind": "boundary" } ] } ] }, { "id": "uncertainty", "name": "Uncertainty", "description": "Error.", "findings": [ { "id": "uncertainty-finding", "name": "Uncertainty", "description": "Measurement uncertainty.", "questions": [ { "text": "What is the uncertainty of the value?", "kind": "measurement" }, { "text": "Was it independently verified?", "kind": "provenance" } ] } ] } ] }, { "id": "comparison", "name": "Comparison", "description": "Comparing options.", "rationale": "Comparisons need identical definitions.", "layers": [ { "id": "benchmarks", "name": "Benchmarks", "description": "Typical values.", "findings": [ { "id": "benchmarks-finding", "name": "Benchmarks", "description": "Typical values.", "questions": [ { "text": "What value is typical or best in class?", "kind": "measurement" }, { "text": "Are they defined the same way?", "kind": "boundary" } ] } ] }, { "id": "labels", "name": "Labels", "description": "Energy labels.", "findings": [ { "id": "labels-finding", "name": "Label class", "description": "Label class.", "questions": [ { "text": "Which label class does this product have?", "kind": "provenance" }, { "text": "What does it mean in annual use?", "kind": "measurement" } ] } ] } ] }, { "id": "improvement", "name": "Improvement", "description": "Getting better.", "rationale": "Improvements should reduce total resource use.", "layers": [ { "id": "losses", "name": "Losses", "description": "Where input is lost.", "findings": [ { "id": "losses-finding", "name": "Loss analysis", "description": "Main losses.", "questions": [ { "text": "Where are the largest losses?", "kind": "measurement" }, { "text": "Which measures reduce them?", "kind": "action" } ] } ] }, { "id": "rebound", "name": "Rebound", "description": "Total use.", "findings": [ { "id": "rebound-finding", "name": "Rebound", "description": "Rebound effects.", "questions": [ { "text": "Could efficiency gains increase total use?", "kind": "boundary" }, { "text": "How should that be measured?", "kind": "measurement" } ] } ] } ] } ] }, "openQuestions": [ "Should kinds of efficiency be separate entries?", "How should boundaries be recorded for every efficiency value?", "How should agents explain rebound effects?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "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 efficiency, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent state efficiency with its output, input, boundary and method, and not confuse it with effectiveness or productivity.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: organizational effectiveness, power efficiency, data center infrastructure efficiency, computational efficiency, nitrogen-use efficiency, carbon-use efficiency, industrial efficiency, material efficiency, resource efficiency, machine operator efficiency, code density, eco-efficiency.", "27 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 34 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 efficiency, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "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": [ "organizational effectiveness", "power efficiency", "data center infrastructure efficiency", "computational efficiency", "nitrogen-use efficiency", "carbon-use efficiency", "industrial efficiency", "material efficiency", "resource efficiency", "machine operator efficiency", "code density", "eco-efficiency" ] } ], "standing": "Described in 34 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 27 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 efficiency from another, and a efficiency 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 efficiency, 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 efficiency, 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 efficiency 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 efficiency, 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 efficiency, 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 efficiency 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 efficiency 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 efficiency, 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 efficiency, 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 efficiency 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 efficiency from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a efficiency, 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 efficiency, 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 efficiency 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 efficiency 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 efficiency between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a efficiency, 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 efficiency, 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 efficiency 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 efficiency, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a efficiency 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 efficiency, 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 efficiency, 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 efficiency 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 efficiency 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 efficiency 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 efficiency 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 efficiency 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 efficiency?", "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 efficiency?", "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 efficiency 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 efficiency and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a efficiency, 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 efficiency, 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 efficiency 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 efficiency is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a efficiency, 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 efficiency, 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 efficiency is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }