Knowledge base: System that centralises machine-readable data on concepts or subjects, making them accessible to a wide audience.
Database: Computer system for storing, organising and analysing data.
Syntax highlighting: Use of different colours in the editing interface of a programming language, making it easier to identify the function of each written word.
Command: Sequence of keywords recognised by a system, forming an instruction and enabling interaction with it.
Constraint : List of inviolable rules ensuring the quality of data entered into the database.
Data: Conventional representation of information for automatic processing. Known and organised information is used as a starting point for reasoning aimed at determining a solution to a problem linked to this data.
Closed or personal data: Electronically stored data, access to which and use of which are restricted to a small group of users.
Objective or factual data: Any data based on established facts, derived from an indisputable or consensual experience of reality.
Open data : Electronically stored data that is free to access and use.
Primary data: Data that has never been published in any medium before, or that is published in one medium without itself drawing its sources from another medium.
Secondary data: Data which has been published in one medium and which itself draws its sources from another medium, such as another database or another book.
Subjective data: Data that relates to feelings, personal opinion and/or questionable experience of reality.
RDF format: A graph model designed to formally describe web resources and their metadata, enabling these descriptions to be processed automatically.
Unique identifier: A sequence of characters that uniquely identifies a subject (or an entity in Wikidata, such as an article or a property).
Query language: a language used to query a database (or a knowledge base such as Wikidata).
Dataset: a structured collection of data.
Closed licence: A licence to use data that prohibits modification, combination and redistribution of the data.
Open licence: A licence to use data that allows anyone to access, modify, combine and redistribute the data, even for commercial purposes.
Linked Open Data: A web page containing data embedded in the Semantic Web, structured in RDF format and linked to other pages of similar data.
Ontology: in computing, a structured set of terms and concepts representing the meaning of an information domain.
