DRAFT · June 2026 W3C AI Knowledge Representation Community Group (AI KR CG) · structured by the Knowledge-Domains taxonomy
This vocabulary is organised under the eight categories of the Agentic AI Knowledge-Domains taxonomy, so each term sits in the same category used across the repository. Columns: the proposed definition, the canonical source, and SKOS-style relations (broader / narrower / partOf / related / regulates / mitigates …).
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| AnalyticalAgent | Agent that performs reasoning and data analysis. | AI-KR CG agent ontology (AIAO) | broader: agent; related: Reasoning |
| AssistantAgent | Agent that supports humans or other agents. | AI-KR CG agent ontology (AIAO) | broader: agent |
| AutonomousGoalSeekingAgent | Agent that pursues explicit goals independently. | AI-KR CG agent ontology (AIAO) | broader: agent; related: Planning |
| CreativeAgent | Agent that generates content or solutions. | AI-KR CG agent ontology (AIAO) | broader: agent |
| DeliberativeAgent | Agent that maintains an internal model and plans actions before acting. | AI-KR CG agent ontology (AIAO) | broader: agent |
| LearningAgent | Agent that adapts its behaviour over time from experience. | AI-KR CG agent ontology (AIAO) | broader: agent |
| ReactiveAgent | Agent with simple stimulus-response behaviour; no internal world model. | AI-KR CG agent ontology (AIAO) | broader: agent |
| TaskAgent | Agent that executes concrete tasks autonomously. | AI-KR CG agent ontology (AIAO) | broader: agent |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| embodiment | Whether an agent is software-only, robotic, or hybrid. | AI-KR CG agent ontology (AIAO) | partOf: agent |
| Learning | Capability to adapt models and update behaviour. | AI-KR CG agent ontology (AIAO) | partOf: capability |
| Memory | Capability to store knowledge or history. | AI-KR CG agent ontology (AIAO) | partOf: capability |
| operational scope | Whether an agent is single-task, multi-task, or open-ended. | AI-KR CG agent ontology (AIAO) | partOf: agent |
| Perception | Capability to sense environment or inputs. | AI-KR CG agent ontology (AIAO) | partOf: capability |
| Planning | Capability to generate action sequences to reach goals. | AI-KR CG agent ontology (AIAO) | partOf: capability |
| Reasoning | Capability to apply logic and knowledge to decisions. | AI-KR CG agent ontology (AIAO) | partOf: capability |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| A2A | Agent-to-Agent. Protocols and frameworks linking independent agents without human intervention. | Google (Agent2Agent protocol) | related: MCP, AP2 |
| ACP (Agent Communication Protocol) | REST-native inter-agent protocol from the AGNTCY collective; maps agent interactions onto HTTP verbs. | AGNTCY / Linux Foundation | related: A2A, MCP |
| ANP (Agent Network Protocol) | Open, DID-based protocol for decentralised agent discovery and collaboration; published as a W3C White Paper. | ANP / W3C | related: DID |
| DID (Decentralized Identifiers) | W3C standard for verifiable, self-sovereign identifiers; basis for agent identity. | W3C DID v1.1 (CR) | related: Verifiable Credentials |
| human-in-the-loop | Interaction style requiring human guidance, review, or approval of agent actions. | AI-KR CG agent ontology (AIAO) | related: graduated human oversight |
| KYA | Know Your Agent. A governance framework for registering, verifying, and profiling autonomous agents before deployment. | Emerging governance usage | related: Sybil resistance, evidence artifacts; analogous: KYC |
| MCP | Model Context Protocol. An open standard for connecting models to external data, tools, and applications. | Anthropic (Model Context Protocol) | related: A2A, tool use |
| NANDA | Networked AI Agents in a Decentralized Architecture; DID-based global agent discovery/registry (MIT Media Lab). | MIT Media Lab (Project NANDA) | related: DID, ANP |
| OASF (Open Agent Schema Framework) | Standard schema for describing agent capabilities and interfaces in machine-readable form. | AGNTCY | related: ACP |
| origin-bound authority | Binding an agent's authorisation to execute a tool to the verified source of the initiating request. | Agent-security literature | mitigates: indirect prompt injection |
| Sybil resistance | A system's capacity to defend against attackers creating many fake identities to gain influence. | Douceur (2002) | related: KYA; mitigates: fake-identity attacks |
| Verifiable Credentials | W3C standard for tamper-evident, cryptographically verifiable claims; used for agent credentials. | W3C VC 2.0 | related: DID |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| ACP (Agentic Commerce Protocol) | Stripe + OpenAI protocol for agent-initiated checkout; in production in ChatGPT. [distinct from the AGNTCY ACP] | Stripe / OpenAI / Meta | related: AP2, x402 |
| agentic clearing | The operational layer that evaluates whether an autonomous AI agent has fulfilled its transaction obligations, assigns liability, and determines the subsequent settlement action — distinct from payment and from settlement execution. | de Valois-Franklin & Bogdan, RAILS, arXiv 2606.08790 | broader: settlement; related: clearing function, settlement determination |
| AP2 | Agent Payments Protocol. A mandate-based protocol defining how, when, and within what bounds value can be authorised for transmission by an AI agent. | Google (Agent Payments Protocol) | related: x402, mandate protocol; partOf: agent authorization |
| broker-dealer intermediation | Reliance on licensed market makers to buy, sell, and redeem the securities backing a digital asset. | arXiv 2604.17167 | related: hierarchy of money, reserve quality |
| clearing function | A deterministic process that consumes reliability scores and records to dictate which settlement or dispute consequence follows an agent's output. | RAILS, arXiv 2606.08790 | partOf: RAILS; related: per-output reliability score, settlement determination |
| ERC-8004 (Trustless Agents) | Ethereum proposal for on-chain agent identity, reputation, and trustless payment channels. | Ethereum EIP-8004 | related: x402 |
| hierarchy of money | A classification of instruments by liquidity and counterparty risk, from central-bank reserves down to private credit. | Economic literature (Mehrling; cf. arXiv 2604.17167) | related: par-value redemption, reserve quality |
| mandate protocol | A framework defining and enforcing pre-approved operational boundaries and financial caps delegated to a software agent. | Agent-payments literature (cf. AP2) | related: AP2, x402 |
| oracle risk | The risk that an external data feed supplies inaccurate, delayed, or manipulated data to a smart contract. | arXiv 2606.08534 | related: RWA, platform concentration; threatens: settlement |
| par-value redemption | The right to exchange a stablecoin for fiat at 1:1 on demand. | arXiv 2604.17167 | related: reserve quality, redemption surge; partOf: stablecoin design |
| per-output reliability score | A discrete metric attached to each agent output, quantifying a measured judgement of its quality and adherence to constraints. | RAILS, arXiv 2606.08790 | partOf: RAILS; related: published reliability record, clearing function |
| platform concentration | Systemic risk from most tokenisation relying on a single underlying protocol or provider. | arXiv 2606.08534 | related: oracle risk, systemic risk |
| published reliability record | A durable, inspectable log of historical reliability scores and output judgements. | RAILS, arXiv 2606.08790 | partOf: RAILS; related: per-output reliability score, evidence artifacts |
| RAILS | A three-part architectural framework (reliability score, reliability record, clearing function) treating clearing as an independent layer in agentic commerce. Acronym expansion ("Real-Time Agent Integrity & Ledger Settlement") proposed but not yet confirmed against the source paper. | arXiv 2606.08790 | hasPart: per-output reliability score, published reliability record, clearing function; related: x402, AP2 |
| real-world asset tokenization | Representing rights to a physical or traditional financial asset as tokens on a blockchain ledger. | arXiv 2606.08534 | hasPart: settlement model, whitelist transferability, rebasing; related: oracle risk, platform concentration |
| rebasing | An automated mechanism adjusting circulating token supply to reflect yield or price changes. | arXiv 2606.08534 | partOf: RWA token mechanics |
| redemption surge | A sudden mass demand to redeem stablecoins for fiat, often driven by panic. | arXiv 2604.17167 | related: par-value redemption, stress testing |
| reserve quality | The safety, liquidity, and creditworthiness of the assets backing a stablecoin. | arXiv 2604.17167 | related: par-value redemption, broker-dealer intermediation |
| RWA | Real-World Asset. A physical or traditional financial asset that has been tokenised. | arXiv 2606.08534 | broader: real-world asset tokenization; related: oracle risk |
| settlement determination | The authoritative decision on how assets should move, distinct from the physical execution of that transfer. | RAILS, arXiv 2606.08790 | related: agentic clearing, settlement model |
| settlement model | The technical and legal framework (e.g. atomic, deferred net settlement) finalising ownership transfer. | arXiv 2606.08534 | related: settlement determination, RWA |
| stablecoin | A crypto token designed to hold a stable value (typically 1:1 to fiat); the dominant settlement asset for agent payments. | general | related: x402, PPSI |
| trace-economic underwriting | Pricing insurance or credit by analysing the step-by-step audit trails of an agentic pipeline. | Insurance/agent-risk feeds | related: evidence artifacts, published reliability record |
| verification-native clearing | A design in which clearing checks are embedded within a system's verification phase rather than added post-hoc. | RAILS, arXiv 2606.08790 | related: agentic clearing, RAILS |
| whitelist transferability | A feature where tokens transfer only between addresses that have cleared identity checks. | arXiv 2606.08534 | partOf: RWA; related: KYC, sanctions |
| x402 | An agent/machine payment scheme built on the HTTP 402 ("Payment Required") status, enabling software agents to settle value (typically in stablecoins) inline with a request. | Coinbase (x402 specification) | broader: agent payment rail; related: AP2, mandate protocol, RAILS |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| abliteration | Modifying model weights to remove safety alignments without a full retrain. | Open-weight community (cf. Arditi et al., 2024) | threatens: safety guardrails; related: open-weight models |
| activation patching | Causally modifying internal activations during a forward pass to test how features alter output. | Mechanistic-interpretability literature | partOf: circuit analysis |
| agent-as-judge | A pattern in which a constrained secondary model audits, evaluates, or filters a primary agent's outputs. | Zhuge et al., "Agent-as-a-Judge", 2024; applied in Co-Investigator AI, arXiv 2509.08380 | related: GAIE, AML, deceptive alignment; mitigates: hallucination |
| blast-radius oversight | A control pattern mapping review intensity to the reach and severity of what an agent's change could disrupt if flawed. | GAIE, arXiv 2606.22484 | partOf: graduated human oversight |
| circuit analysis | Reverse-engineering the subgraphs and pathways inside a model that drive behaviours. | Elhage et al., "A Mathematical Framework for Transformer Circuits" (2021) | related: activation patching, SAE |
| CSA MAESTRO | Multi-Agent Environment, Security, Threat, Risk & Outcome; a seven-layer agentic threat-modelling framework. | Cloud Security Alliance | related: OWASP ASI |
| deceptive alignment | A failure where a model appears compliant in training while concealing misaligned goals. | Hubinger et al. (2019) | related: ELK, agent-as-judge |
| development-pipeline governance | The policies, access controls, and programmatic gates embedded in delivery pipelines to monitor agent activity. | GAIE, arXiv 2606.22484 | partOf: GAIE; hasPart: evidence artifacts; related: generation-to-deployment lifecycle |
| dictionary learning | Unsupervised extraction of an overcomplete set of monosemantic features from activations. | Anthropic interpretability work | produces: monosemantic features; related: SAE |
| ELK | Eliciting Latent Knowledge. The alignment problem of extracting a model's true internal knowledge. | Christiano, Cotra & Xu (ARC, 2021) | related: deceptive alignment; goal: truthful reporting |
| evidence artifacts | Verified logs, signatures, and decision records produced by governance workflows to prove compliance. | GAIE, arXiv 2606.22484 | partOf: development-pipeline governance; related: published reliability record |
| GAIE | A framework for enforcing proportionate human oversight on agentic actions in regulated domains. Acronym expansion unconfirmed; the source paper centres on "graduated" oversight, so the earlier "Governed AI-Assisted Engineering" reading should be verified before use. | arXiv 2606.22484 | hasPart: graduated human oversight, regulatory risk profile, blast-radius oversight, evidence artifacts; related: DORA |
| generation-to-deployment lifecycle | The end-to-end pipeline governing code from initial AI generation to production. | GAIE, arXiv 2606.22484 | related: development-pipeline governance, GAIE |
| graduated human oversight | A governance pattern that adjusts the necessity, depth, and timing of human review according to the risk profile and "blast radius" of an agentic action. | GAIE, arXiv 2606.22484 | definedBy: GAIE; hasPart: blast-radius oversight; related: regulatory risk profile; regulatedBy: EU AI Act Art. 14, prEN 18283 |
| indirect prompt injection | An exploit where an agent reads untrusted content carrying hidden instructions that hijack its execution. | Greshake et al. (2023); OWASP GenAI | related: memory poisoning, origin-bound authority; regulatedBy: prEN 18229 / 18282 |
| information-flow control | An architecture tracking and restricting data movement across security domains in a pipeline. | Security literature (IFC); agent-security feeds | mitigates: indirect prompt injection, memory poisoning |
| manifold steering | Nudging internal activations along valid concept dimensions to alter output in real time. | Mechanistic-interpretability literature | related: SAE, activation patching |
| memorization control | Parameters and tests that prevent a model from regurgitating exact training sequences, used here to control benchmark contamination. | arXiv 2606.00061 | related: reflexivity, model drift |
| memory poisoning | Injecting malicious data into an agent's memory layer to corrupt future decisions. | OWASP GenAI / agent-security literature | related: indirect prompt injection, information-flow control; threatens: agent memory |
| monosemanticity | The state where a neuron or feature maps to exactly one clear concept. | Bricken et al. (Anthropic, 2023) | related: superposition, SAE; opposite: polysemanticity |
| OWASP Agentic Security Initiative (ASI) | OWASP GenAI Security Project suite covering agentic threat taxonomy, controls, and a ranked Top 10. | OWASP | related: MAESTRO |
| OWASP Top 10 for Agentic Applications | Peer-reviewed ranked list of the most critical security risks for autonomous/agentic AI systems. | OWASP | partOf: ASI |
| polysemanticity | The state where one neuron responds to multiple unrelated concepts by context. | Anthropic interpretability work | opposite: monosemanticity; related: superposition |
| regulatory risk profile | A classification of an agentic task by its compliance implications, domain sensitivity, and potential for systemic or financial harm. | GAIE, arXiv 2606.22484 | partOf: GAIE; related: graduated human oversight |
| SAE | Sparse Autoencoder. A network that decomposes dense model activations into interpretable features. | Bricken et al., "Towards Monosemanticity" (Anthropic, 2023) | related: superposition, dictionary learning, monosemanticity; usedFor: interpretability |
| superposition | The phenomenon of a network packing more features than it has neurons via combination. | Elhage et al., "Toy Models of Superposition" (Anthropic, 2022) | related: polysemanticity, SAE |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| 10^25 FLOP threshold | A training-compute trigger used to flag potential systemic capability. | Regulation (EU) 2024/1689 | related: Article 51 |
| AI Office | The European Commission body coordinating AI policy and supervising GPAI compliance. | Regulation (EU) 2024/1689 | related: GPAI enforcement, EU AI Act |
| AI-privacy guard layer | A software layer that strips or shields personally identifiable information before data enters AI pipelines. | Co-Investigator AI, arXiv 2509.08380 | partOf: agentic AML; related: information-flow control |
| alternative adequate means | A provision allowing providers to demonstrate compliance via internal frameworks achieving equivalent outcomes to the Code. | EC GPAI guidelines | related: GPAI Code of Practice |
| AML | Anti-Money Laundering. The framework of laws and procedures preventing disguise of illicit funds as legitimate income. | FATF standards; US BSA | broader: FCC; hasPart: KYC, sanctions; related: BSA, FATF |
| Article 51 | The AI Act provision defining when a GPAI model is classified as presenting systemic risk. | Regulation (EU) 2024/1689 | partOf: EU AI Act; related: 10^25 FLOP threshold |
| Article 53 | The AI Act provision detailing documentation, transparency, and copyright obligations for GPAI providers. | Regulation (EU) 2024/1689 | partOf: EU AI Act; related: GPAI |
| Basel III | The international framework for bank capital adequacy, stress testing, and liquidity risk. | Basel Committee on Banking Supervision | related: stress testing, model risk |
| BSA | Bank Secrecy Act. US legislation requiring institutions to help detect and prevent money laundering. | US Bank Secrecy Act (31 U.S.C. 5311 et seq.) | related: AML, FinCEN, PPSI |
| compliance-as-code | Writing regulatory rules and policies directly as executable software. | Compliance-to-Code, arXiv 2505.19804 | broader: RegTech; related: rule-as-code, regulatory rule translation |
| crime-typology alignment | Matching suspicious transaction sequences against known structured patterns of criminal evasion. | Co-Investigator AI, arXiv 2509.08380 | related: SAR, AML |
| DORA | Digital Operational Resilience Act. EU framework on IT security, incident reporting, and resilience for financial entities. | Regulation (EU) 2022/2554 | regulates: financial IT resilience; related: GAIE, RegTech |
| EU AI Act | Regulation (EU) 2024/1689; the EU horizontal AI law, including GPAI obligations. | Reg (EU) 2024/1689 | broader: regulation |
| FATF | Financial Action Task Force. The intergovernmental body setting AML/CFT standards. | FATF | related: AML, Travel Rule |
| FCC | Financial Crime Compliance. The bank function and workflows enforcing AML and sanctions policy. | Industry usage (e.g. Everest Group) | hasPart: AML; related: sanctions false-positive classifier |
| FinCEN | Financial Crimes Enforcement Network. The US Treasury bureau collecting and analysing financial-transaction data. | US Department of the Treasury (FinCEN) | related: SAR, BSA, PPSI |
| Five Eyes joint guidance | Joint cyber-security guidance (May 2026) from US/UK/Canada/Australia/NZ agencies on deploying agentic AI; de-facto baseline. | CISA et al. (1 May 2026) | related: governance |
| GENIUS Act | Guiding and Establishing National Innovation for U.S. Stablecoins Act. US federal legislation enacted 2025 establishing a framework for dollar payment stablecoins. | Public Law 119-27 (2025) | regulates: PPSI; related: MiCA, BSA |
| GPAI | General-Purpose AI. Models with significant generality, able to perform a broad range of distinct tasks across domains. | Regulation (EU) 2024/1689 (AI Act); EC GPAI guidelines | narrower: systemic-risk GPAI (Art. 51); hasPart: GPAI enforcement, GPAI Code of Practice; related: 10^25 FLOP threshold |
| GPAI Code of Practice | A regulator-backed operational manual of technical steps, risk assessments, and mitigations for GPAI providers. | EC GPAI guidelines | related: alternative adequate means, GPAI; partOf: EU AI Act compliance |
| GPAI enforcement | The auditing protocols and penalty frameworks by which authorities compel GPAI compliance (enforcement from 2 August 2026). | EC GPAI guidelines; Regulation (EU) 2024/1689 | partOf: EU AI Act; related: AI Office, GPAI Code of Practice |
| IMDA Model AI Governance Framework for Agentic AI | Singapore framework for governing agentic AI (updated v1.5, 20 May 2026). | Singapore IMDA | related: governance |
| MiCA | Markets in Crypto-Assets Regulation. The EU framework governing crypto-asset and stablecoin issuance and trading. | Regulation (EU) 2023/1114 | related: GENIUS Act, RWA; regulates: crypto-assets |
| NIST CAISI AI Agent Standards Initiative | US program (Center for AI Standards and Innovation) for interoperable, secure AI agents; launched 17 Feb 2026. | NIST CAISI | related: governance |
| PPSI | Permitted Payment Stablecoin Issuer. Under the GENIUS Act, an entity authorised to issue payment stablecoins; under the FinCEN/OFAC proposed rule, subject to BSA/AML obligations and a sanctions-compliance programme. | FinCEN/OFAC NPRM, Docket FINCEN-2026-0100 | regulatedBy: GENIUS Act, FinCEN; related: BSA, sanctions |
| RegTech | Regulatory Technology. Software automating compliance, reporting, and risk management. | Industry usage (FCA RegTech) | hasPart: compliance-as-code; related: DORA |
| regulatory rule translation | Converting natural-language legal text into deterministic code and constraints. | Compliance-to-Code, arXiv 2505.19804 | related: compliance-as-code, rule-as-code |
| rule-as-code | Drafting statutes or regulations in a structured, machine-readable form from inception. | Compliance-to-Code, arXiv 2505.19804; OECD rules-as-code work | related: compliance-as-code |
| sanctions false-positive classifier | A model that filters out incorrect name-matches from sanctions screening. | Industry usage (e.g. Everest Group) | partOf: FCC; related: AML |
| SAR | Suspicious Activity Report. A confidential compliance filing reporting known or suspected illicit activity to regulators. | US Treasury / FinCEN; agentic context: arXiv 2509.08380 | related: AML, FinCEN, crime-typology alignment; producedBy: agentic AML |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| AGNTCY collective | Cisco-led "Internet of Agents" collective (LangChain, LlamaIndex, Galileo, others); home of ACP and OASF. | AGNTCY | related: ACP, OASF |
| C2PA | Coalition for Content Provenance and Authenticity; content-provenance standard applied to agent-generated content. | C2PA | related: CreativeAgent |
| CEN-CENELEC JTC 21 | European technical committee drafting harmonised AI standards (the prEN 182xx series). | CEN-CENELEC | maintains: prEN 182xx |
| Linux Foundation Agentic AI Foundation (AAIF) | Neutral steward now governing both MCP and A2A. | Linux Foundation (aaif.io) | stewards: MCP, A2A |
| prEN 18228 | Draft harmonised standard on robustness, accuracy, and predictability of AI systems. | CEN-CENELEC JTC 21 | related: model risk, EU AI Act |
| prEN 18229-1 / 18229-2 | Draft harmonised standards on lifecycle engineering and cybersecurity for high-risk AI. | CEN-CENELEC JTC 21 | related: indirect prompt injection, information-flow control |
| prEN 18282 | Draft harmonised standard on recording, logging, and tracing AI operations. | CEN-CENELEC JTC 21 | related: evidence artifacts, published reliability record |
| prEN 18283 | Draft harmonised standard on human oversight (human-in/over-the-loop). | CEN-CENELEC JTC 21 | related: graduated human oversight, EU AI Act Art. 14 |
| prEN 18284 | Draft harmonised standard on information provision, transparency, and disclosure. | CEN-CENELEC JTC 21 | related: transparency disclosure |
| prEN 18286 | Draft European harmonised standard on quality management for AI systems. | CEN-CENELEC JTC 21 | partOf: CEN-CENELEC suite; related: EU AI Act |
| W3C AI Agent Memory Interoperability CG | W3C community group on portable agent memory; proposed 18 May 2026. | W3C | related: Memory |
| W3C AI Agent Protocol CG | W3C community group scoping inter-agent communication, identity, and capability metadata. | W3C | related: ANP |
| W3C AI-KR CG | W3C AI Knowledge Representation Community Group (this group). | W3C | maintains: this vocabulary |
| Term | Proposed definition | Source | Relations |
|---|---|---|---|
| agentic drug discovery | Applying autonomous agents to the multi-step pipeline of target identification, molecule generation, and experiment design. | Beyond SMILES, arXiv 2602.10163 | hasPart: target identification; related: SMILES, ChatInvent, human-in-the-loop discovery; addresses: Eroom's law |
| ChatInvent | An agentic invention/molecular-design system reported as deployed at AstraZeneca. | He et al., Drug Discovery Today (2026) | related: agentic drug discovery, SMILES |
| cognitive function | The vector in a reflexive loop where prices and trends are observed to form imperfect expectations. | Soros (1987); arXiv 2606.00061 | partOf: reflexivity |
| CoWoS | Chip-on-Wafer-on-Substrate. An advanced 2.5D semiconductor packaging technology. | TSMC | related: HBM4, neocloud |
| directional forecasting accuracy | The share of times a system correctly predicts the sign (up/down) of a move, independent of magnitude. | arXiv 2606.00061 | related: Sharpe ratio, reflexivity |
| Eroom's law | The observation that drug-discovery productivity per R&D dollar falls over time (Moore's law reversed). | Scannell et al. (2012) | related: agentic drug discovery |
| HBM4 | High Bandwidth Memory 4. The next generation of stacked DRAM for AI accelerators. | JEDEC | related: CoWoS |
| hierarchical mixed-frequency attention | An attention architecture weighting data sequences across different cadences. | Macro-aware, arXiv 2606.00624 | implements: mixed-frequency forecasting |
| human-in-the-loop discovery | A workflow where humans guide, review, and approve agent recommendations. | Beyond SMILES, arXiv 2602.10163; Robin (Nature, 2026) | related: agentic drug discovery, graduated human oversight |
| MIDAS | Mixed Data Sampling. A regression technique for variables sampled at different frequencies. | Ghysels, Santa-Clara & Valkanov (2004) | related: mixed-frequency forecasting (precursor) |
| mixed-frequency forecasting | Modelling that combines data captured at different intervals (e.g. daily prices with quarterly GDP). | Macro-aware, arXiv 2606.00624 | hasPart: hierarchical mixed-frequency attention; related: MIDAS, model drift |
| model drift | Gradual decay of predictive accuracy as real-world conditions diverge from training assumptions. | Macro-aware, arXiv 2606.00624 | related: regime shift, model risk, reflexivity |
| model risk | The risk of adverse consequences from flawed or misapplied quantitative models. | FinStressTS, arXiv 2606.03184; cf. Fed SR 11-7 | related: model drift, stress testing; regulatedBy: prEN 18228 |
| neocloud | A category of providers offering high-performance cloud infrastructure optimised for GPU rental and AI. | Industry usage | related: CoWoS, HBM4 |
| parametric synthetic benchmark | A generated testing environment producing simulated financial time-series with controllable parameters. | FinStressTS, arXiv 2606.03184 | related: stress testing, tail risk; usedFor: model validation |
| participative function | The vector in a reflexive loop where expectations are translated into capital allocations, altering prices. | Soros (1987); arXiv 2606.00061 | partOf: reflexivity |
| process-level vs molecule-level benchmark | An evaluation paradigm comparing an agent's ability to orchestrate multi-step research against single-structure design. | Beyond SMILES, arXiv 2602.10163 | related: agentic drug discovery |
| reflexivity | The theory that participants' biased expectations actively alter market reality, creating a self-reinforcing feedback loop. | Soros, The Alchemy of Finance (1987); operationalised in arXiv 2606.00061 | hasPart: participative function, cognitive function; related: directional forecasting accuracy, model drift |
| regime shift | A significant, persistent change in a time series' underlying distribution. | Macro-aware, arXiv 2606.00624 | closeMatch: regime switch; related: model drift |
| regime switch | An abrupt structural transition in market behaviour, volatility, or correlations. | FinStressTS, arXiv 2606.03184; Macro-aware, arXiv 2606.00624 | related: model drift, mixed-frequency forecasting; closeMatch: regime shift |
| reverse translation | Taking verified clinical outcomes back into lab models to uncover disease insight. | Beyond SMILES (refs), arXiv 2602.10163 | related: target identification |
| Sharpe ratio | Risk-adjusted performance: excess return divided by volatility. | Sharpe (1966) | related: tail risk, directional forecasting accuracy |
| SMILES | Simplified Molecular-Input Line-Entry System. A string notation describing chemical structures as text. | Weininger (1988) | related: agentic drug discovery, ChatInvent |
| stress testing | Simulating extreme market shocks to evaluate how a model, portfolio, or institution survives them. | FinStressTS, arXiv 2606.03184; BCBS (Basel III) | related: Basel III, parametric synthetic benchmark, redemption surge |
| tail risk | The probability of extreme losses from rare events at the far end of a distribution. | FinStressTS, arXiv 2606.03184 | related: stress testing, Sharpe ratio |
| target identification | The phase pinpointing a biological molecule or pathway central to a disease. | Beyond SMILES, arXiv 2602.10163 | partOf: agentic drug discovery |
Auto-derived from the terms above. RAILS and GAIE expansions remain unconfirmed.
| Acronym | Expansion / meaning |
|---|---|
| A2A | Agent |
| ACP | REST |
| AML | Anti |
| AnalyticalAgent | Agent that performs reasoning and data analysis |
| ANP | Open, DID |
| AP2 | Agent Payments Protocol |
| AssistantAgent | Agent that supports humans or other agents |
| BSA | Bank Secrecy Act |
| C2PA | Coalition for Content Provenance and Authenticity; content |
| ChatInvent | An agentic invention/molecular |
| CoWoS | Chip |
| CreativeAgent | Agent that generates content or solutions |
| CSA MAESTRO | Multi |
| DID | W3C standard for verifiable, self |
| DORA | Digital Operational Resilience Act |
| ELK | Eliciting Latent Knowledge |
| ERC-8004 | Ethereum proposal for on |
| FATF | Financial Action Task Force |
| FCC | Financial Crime Compliance |
| FinCEN | Financial Crimes Enforcement Network |
| GENIUS Act | Guiding and Establishing National Innovation for U |
| GPAI | General |
| HBM4 | High Bandwidth Memory 4 |
| KYA | Know Your Agent |
| LearningAgent | Agent that adapts its behaviour over time from experience |
| MCP | Model Context Protocol |
| MiCA | Markets in Crypto |
| MIDAS | Mixed Data Sampling |
| NANDA | Networked AI Agents in a Decentralized Architecture; DID |
| PPSI | Permitted Payment Stablecoin Issuer |
| RAILS | A three |
| ReactiveAgent | Agent with simple stimulus |
| RegTech | Regulatory Technology |
| RWA | Real |
| SAE | Sparse Autoencoder |
| SAR | Suspicious Activity Report |
| SMILES | Simplified Molecular |
| TaskAgent | Agent that executes concrete tasks autonomously |
| W3C AI-KR CG | W3C AI Knowledge Representation Community Group (this group) |
Companion documents: the taxonomy (category spine) and the Standards inventory. Narrative background: the vocabulary walkthrough. Status: DRAFT — provisional, for community evaluation and maintenance. License: CC BY 4.0.