Find the structure your AI needs.
A live registry of versioned meta-model specifications. Search by family, category, industry, domain, name or tags; storage formats and interfaces remain independent.
hourglass
Enable an agent to recognise an hourglass, assess whether it can reliably time an interval, and decide how to operate, inspect or care for it.
hydrogen cyanide
Enable an AI agent to recognise hydrogen cyanide, assess its composition and physical state, and determine which handling or use decisions require verified evidence and authorised…
hydrolysis
Let an agent explain hydrolysis by type and context, help with reaction prediction and conditions, relate it to biology and industry, and support safe practice.
incense
Enable an agent to recognise incense, assess its material and use condition, and determine whether and how it can be heated or burned for an intended aromatic purpose.
Ingush people
Enable an AI agent to recognise the Ingush people as a distinct ethnic collective, assess evidence about their communities and cultural continuity, and support accurately attribut…
instant messaging
Enable an AI agent to recognise instant messaging, assess whether a conversation can proceed, and choose permitted messaging actions without confusing message submission with deli…
internet service provider
Let an agent explain internet service providers and how they deliver access, describe types, technologies and interconnection, describe regulation and policy debates with attribut…
ionization
Let an agent explain ionisation and its mechanisms and energy requirements, describe its role in plasmas, radiation and analytical chemistry, support calculations with ionisation …
Islamic Republic
Ivory Coast men's national football team
Enable an AI agent to recognise Ivory Coast's senior men's national association-football team, assess its sporting and operational state, and identify actions permitted by selecti…
Juche
Enable an agent to recognise, contextualise and assess claims about Juche while distinguishing authoritative doctrine, scholarly interpretation and evidence of practice.
jurist
Let an agent handle jurists by field, role, works and influence, with sourced attribution and privacy for living people.
kabuki
Enable an AI agent to recognise kabuki practice, assess how a production relates to its repertoire and performance conventions, and identify appropriate interpretation, presentati…
karst
Let an agent explain karst landscapes and processes, describe landforms and regional types, relay hydrology, hazards and conservation from geoscience sources, and distinguish true…
kibbutz
Let an agent explain the kibbutz and its forms, relay history, economics and social organisation with attribution, describe changes since privatisation, and present political and …
Koine Greek
Lak
lighter
Enable an agent to recognise a lighter, assess its ignition readiness and condition, and determine whether it can be used, serviced, stored or retired.
lymph
Let an agent explain lymph, relay its formation, composition, circulation and role in immunity from physiology sources, and distinguish lymph from blood, interstitial fluid, plasm…
lymph node
Enable an AI agent to recognise a lymph node, describe its anatomical and immune context, assess documented changes, and identify what further observation or authorised clinical e…
Major
Let an agent explain the rank of major and its equivalents across countries, describe typical roles in general terms, support historical and biographical questions, and separate o…
malt
Enable an agent to recognise malt, assess its condition and functional suitability, and determine how a particular lot may be stored, processed or used.
master's degree
Let an agent handle master degrees by type, field, institution, accreditation and recognition across countries.
Mikoyan MiG-29
Enable an AI agent to identify a Mikoyan MiG-29 configuration, assess the evidence for an aircraft's condition, and determine which uses require further technical or operating aut…
Miss World
Enable an agent to recognise Miss World as a particular international pageant series, assess an edition and its outcomes, and determine which participation, reporting or title-rel…
multicellular organism
Let an agent explain multicellularity and its evolution, describe how cells cooperate in multicellular organisms, and classify organisms by cellularity with attribution to biology.
multinational corporation
Let an agent explain multinational corporations, relay structures, strategies, regulation and debates from economics, business and international law sources with positions attribu…
nitrate
Enable an agent to recognise nitrate, assess its amount and chemical context, and determine which uses, transformations or controls require further evidence.
nuclear reaction
Let an agent handle nuclear reactions by type, reactants, energy and safety, and mark fringe claims such as cold fusion as unconfirmed.
nucleolus
Enable an AI agent to recognise a nucleolus, assess its ribosome-biogenesis activity and structural state, and select context-appropriate observations or perturbations.
nylon
Enable an agent to identify a nylon material, assess its condition and suitability, and determine appropriate processing, use, and recovery actions.
ombudsman
Let an agent explain the ombudsman institution and its variants, help people identify the right ombudsman for a complaint, describe complaint processes and powers at a general lev…
opal
Enable an agent to recognise opal, assess its material and gemological state, and select suitable identification, handling, and use actions.
open-source software
Let an agent explain open-source software and its licences, help find, evaluate and use open-source projects, describe contribution and governance, and support compliance.
paella
Enable an agent to recognise a prepared dish as paella, assess its composition and cooking state, and determine suitable preparation, serving and handling actions.
Peru men's national football team
Enable an AI agent to recognise Peru's senior men's national association football team, assess its sporting and institutional state, and determine which participation, selection a…
phosphoric acid
Enable an AI agent to recognise phosphoric acid, assess a particular material's composition and condition, and determine whether its documented grade and handling controls support…
polymerase chain reaction
Let an agent explain the polymerase chain reaction, relay how it works, its variants and its uses in diagnostics, research and forensics from molecular biology sources, describe t…
population
Let an agent handle populations by species or group, area, time, size and trend, with sourced estimates and uncertainty.
province of Italy
Let an agent explain the provinces of Italy, relay their history, functions and reforms from official and reference sources, describe metropolitan cities, autonomous provinces and…
psychologist
Let an agent explain what psychologists do and the fields of psychology, describe training, licensing and ethics, support finding appropriate psychological help in general terms, …
Qatar men's national football team
Enable an AI agent to identify Qatar's senior men's national association football team, assess its sporting and operational state, and determine which participation, selection and…
Russian Premier League
Let an agent handle the Russian Premier League by season, clubs, fixtures, results, standings and rules, with sourced and dated data and neutral framing of sporting sanctions.
saga
Enable an agent to recognise a saga as a narrative work, assess its identity and transmission, and determine appropriate interpretation, attribution and reuse.
sailor
Let an agent handle sailors by role, qualification, rights, safety and welfare, and treat individuals with privacy.
San people
Enable an agent to recognise the communities referred to as San people, assess the evidence behind descriptions of them, and identify appropriate community authority for proposed …
sauerkraut
Enable an agent to recognise sauerkraut, assess the condition and suitability of a particular batch, and decide how it may be stored, handled or used.
sect
Let an agent explain the concept of sect in sociology and religious history, describe named sects with attribution and respect, distinguish neutral from pejorative uses including …
serotonin
Enable an agent to identify serotonin, assess a material sample or biological observation, and determine which handling, measurement or interpretation actions its evidence support…
shopping center
Let an agent handle shopping centres by location, opening hours, accessibility, services, safety, consumer rights and history.
ski
Enable an agent to recognise a ski, record its intended use and physical condition, and determine which fitting, maintenance and use actions require further checks.
social network
Let an agent explain social networks as structures of relationships, relay social network analysis concepts and research with attribution, identify kinds of networks, and distingu…
Soviet Union national association football team
Let an agent explain the Soviet Union national football team, relay history, results, notable players and successor arrangements from football history sources, and distinguish it …
stained glass
Enable an agent to recognise stained glass as a light-dependent artistic medium, distinguish its design from particular fabricated works, assess its condition and context, and ide…
strategy
Let an agent handle strategy by domain, goals, options, analysis and evaluation, keeping discussion general and without operational military detail.
stuttering
Let an agent explain stuttering and its causes respectfully from speech-language and research sources, describe therapy and support, present genetic and neurological research with…
synapse
Enable an AI agent to identify a biological synapse, assess evidence about its structure and signaling state, and determine which observations or interventions are appropriate.
syndrome
Let an agent handle syndromes as clinical categories with codes, features and causes, give only general information, and direct individual questions to clinicians.
T-34
Enable an agent to recognise a Soviet T-34 medium tank, distinguish its configuration and provenance, assess its documented condition, and identify appropriate conservation, inspe…
taco
Let an agent explain tacos, relay history, regional varieties, preparation and cultural significance from culinary and cultural sources, describe the named varieties and flag unve…