KoralQuery - a General Corpus Query Protocol

Joachim Bingel
Institut f ür Deutsche Sprache, Mannheim, Germany

Nils Diewald
Institut f ür Deutsche Sprache, Mannheim, Germany

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Ingår i: Proceedings of the Workshop on Innovative Corpus Query and Visualization Tools at NODALIDA 2015, May 11-13, 2015, Vilnius, Lithuania

Linköping Electronic Conference Proceedings 111:1, s. 1-5

NEALT Proceedings Series 25:1, p. 1-5

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Publicerad: 2015-05-07

ISBN: 978-91-7519-035-8

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


The task-oriented and format-driven development of corpus query systems has led to the creation of numerous corpus query languages (QLs) that vary strongly in expressiveness and syntax. This is a severe impediment for the interoperability of corpus analysis systems, which lack a common protocol. In this paper, we present KoralQuery, a JSON-LD based general corpus query protocol, aiming to be independent of particular QLs, tasks and corpus formats. In addition to describing the system of types and operations that Koral- Query is built on, we exemplify the representation of corpus queries in the serialized format and illustrate use cases in the KorAP project.


concurrent annotation; interoperability; query language; large corpora; query rewrite


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