WebAI/AI Web glossary
WEBAI KNOWLEDGE ATLAS · EDITORIAL PREVIEW

AI Web glossaryAa

A bilingual reference vocabulary for AI Web concepts, methods, standards and practices.

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77 bilingual definitions covering the AI Web. Meaning can vary across domains; consult primary documents for normative use.

Generative Web

Web génératif

Web experiences where AI helps create or adapt content and interfaces.

Agentic Web

Web agentique

A Web also used by agents that can discover tools and carry out authorized tasks.

Large language model

LLM

A statistical model trained on large quantities of text and sometimes other modalities.

Transformer

Transformer

Neural network architecture built around attention mechanisms.

Retrieval-augmented generation

RAG

A method combining document retrieval with answer generation.

Embedding

Embedding

Compact numerical representation of text, images or other objects.

Vector search

Recherche vectorielle

Search based on proximity between numerical representations.

Hybrid search

Recherche hybride

Combination of multiple retrieval approaches, such as keyword and vector search.

Reranking

Réordonnancement

Reassessment of the ranking of retrieved documents.

Chunk

Chunk

A piece of a document prepared for indexing or processing.

Context window

Contexte

Amount of tokens a model can process within an exchange.

Token

Token

Unit of text or another representation processed by a model.

Prompt

Prompt

Instruction or set of information supplied to an AI system.

Prompt injection

Prompt injection

Attempt to redirect a system through instructions embedded in untrusted data.

Hallucination

Hallucination

Plausible generated answer that is factually wrong or unsupported.

Citation

Citation

Reference to a source; on its own it does not guarantee accuracy.

Provenance

Provenance

Information describing a piece of content’s origin and certain transformations.

Content Credentials

Content Credentials

Provenance information associated with certain images and other media.

C2PA

C2PA

Set of specifications for technical provenance of digital content.

Model Context Protocol

MCP

Open protocol for connecting AI applications to tools and resources.

Agent2Agent

A2A

Protocol for communication and collaboration between independent agent systems.

Web Model Context Protocol

WebMCP

Proposal for exposing some Web functionality to agents.

AI agent

Agent IA

System that plans or sequences actions within defined boundaries.

Agent tool

Outil d’agent

External function an agent may call with authorized parameters.

Multi-agent system

Multiagent

System of multiple coordinated or interoperable agents.

Human-in-the-loop

Human-in-the-loop

Step where a person reviews or approves a system’s decision.

WebGPU

WebGPU

Web API for GPU graphics and compute operations.

Web Neural Network API

WebNN

Web API designed for neural network operations.

WebAssembly

WebAssembly

Portable executable format used in browsers and elsewhere.

On-device inference

Inférence locale

Running model computations on the user’s own device.

Quantization

Quantification

Reduction of numerical precision in model parameters or computations.

Diffusion model

Diffusion

Generative model family trained through denoising processes.

Multimodal AI

Multimodal

Ability to process multiple kinds of signals, such as text and images.

Augmented generation

Génération augmentée

Content generation informed by extra tools or information.

Semantics

Sémantique

Interpretation of meaning beyond raw representation.

JSON-LD

JSON-LD

JSON format for representing linked data.

Knowledge graph

Graphe de connaissances

Structure of entities connected by defined relationships.

Search engine optimization

SEO

Practices to improve site accessibility and interpretation by search engines.

Answer engine optimization

AEO

Editorial term for practices aimed at visibility in answer engines.

Generative engine optimization

GEO

Research and practice concerning visibility in generative responses.

Application programming interface

API

Contract allowing software components to communicate.

OAuth

OAuth

Framework for delegated authorization to resources.

JSON Schema

JSON Schema

Vocabulary for describing and validating JSON structures.

RSS

RSS

Syndication format for distributing updates.

Atom

Atom

Syndication and publishing format.

Preprint

Preprint

Research manuscript shared before or independently of peer review.

Evaluation

Évaluation

Measurement of system quality against defined criteria.

Benchmark

Benchmark

Task and metric set used to compare systems.

Fine-tuning

Fine-tuning

Adaptation of a pretrained model using additional data.

Guardrail

Guardrail

Mechanism to constrain specific behaviors or risks of a system.

HTML

HTML

Markup language that structures Web documents.

Accessibility

Accessibilité

Design that enables access for people with diverse abilities.

Agent card

AgentCard

Structured description of A2A agent capabilities.

WebMCP

WebMCP

Proposed API for JavaScript tools exposed to agents.

llms.txt

llms.txt

Proposed convention, not required by Google Search.

Generative engine optimization

GEO

Discovery optimization without ranking guarantees.

OAI-SearchBot

OAI-SearchBot

Crawler for ChatGPT search.

GPTBot

GPTBot

Crawler token for training collection.

Google-Extended

Google-Extended

Google preference token for certain AI uses.

Groundedness

Fidélité documentaire

Verifiable link between an answer and evidence.

Abstention

Abstention

Acknowledging missing evidence instead of fabricating.

Trust boundary

Frontière de confiance

Separation between instructions and external content.

Indirect prompt injection

Injection indirecte

Hostile instruction inside retrieved content.

Human oversight

Contrôle humain

Explicit oversight for sensitive actions.

Least privilege

Privilège minimal

Permissions scoped to actual needs.

On-device inference

Inférence locale

Running the model on the device.

WebNN

WebNN

API for accelerated neural computation.

WebGPU

WebGPU

GPU computation and rendering API.

Built-in AI APIs

APIs IA natives

Browser-managed AI capabilities.

JSON-LD

JSON-LD

Linked data using a JSON context.

C2PA manifest

Manifeste C2PA

Signed assertions on media history.

Provenance evidence

Preuve de provenance

Technical history distinct from factual truth.

Editorial review

Validation éditoriale

Human review of sources, rights and wording.

AI Act Article 50

Article 50 du règlement IA

EU transparency requirements for certain content.

Cognitive accessibility

Accessibilité cognitive

Clear and predictable interaction design.

Fallback

Mode de repli

Alternative when an API or model is unavailable.

Right-sized AI

IA frugale

Solution proportionate to task and resources.