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Corpus Query Lingua Franca
Abbreviation: CQLF
Scope: Lingua franca for corpus query
Topic: Query
Standard body: ISO
Keywords: query languages, lingua franca, corpus, corpus query

The Corpus Query Lingua Franca (CQLF) has been developed by the ISO/TC 37/SC 4/WG 6 since 2011. The first part of the standard is currently at the WD (working draft) stage.

CQLF provides a set of recommendations, which should be considered as guidelines in developing a new query language (QL). CQLF is also helpful to create a new functionality of an existing QL. For example, by using CQLF, a search for relations between annotation layers in multiple annotated linguistic corpora, can be defined for a query language.

Other standards in the same topic(s):

Part title: Language resource management — Corpus Query Lingua Franca (CQLF) — Part 1: Metamodel
Abbreviation: CQLF-1 [not official, only for reference in this website]

The purpose of CQLF Part 1 (ISO: 24623-1) is to standardize the abstract model of a corpus query language. The model defines features of query languages and arranges them according to some functional criteria.

Abbreviation: CQLF-2011 [not official, only for reference in this website]
Version Number: ISO/WD 24623-1
Status: Working Draft
Release Date: 2011-06-20
  1. ISO/TC 37/SC 4/WG 6
Related Standard(s):
Used in CLARIN centre(s):