In language technology and language sciences, tab-separated values (TSV) represent a frequently used formalism to represent linguistically annotated natural language, often addressed as "CoNLL formats". A large number of such formats do exist, but although they share a number of common features, they are not interoperable, as different pieces of information are encoded differently in these dialects. CoNLL-RDF refers to a programming library and the associated data model that has been introduced to facilitate processing and transforming such TSV formats in a serialization-independent way. CoNLL-RDF represents CoNLL data, by means of RDF graphs and SPARQL update operations, but so far, without machine-readable semantics, with annotation properties created dynamically on the basis of a user-defined mapping from columns to labels. Current applications of CoNLL-RDF include linking between corpora and dictionaries [Mambrini and Passarotti, 2019] and knowledge graphs [Tamper et al., 2018], syntactic parsing of historical languages [Chiarcos et al., 2018; Chiarcos et al., 2018], the consolidation of syntactic and semantic annotations [Chiarcos and Fäth, 2019], a bridge between RDF corpora and a traditional corpus query language [Ionov et al., 2020], and language contact studies [Chiarcos et al., 2018]. We describe a novel extension of CoNLL-RDF, introducing a formal data model, formalized as an ontology. The ontology is a basis for linking RDF corpora with other Semantic Web resources, but more importantly, its application for transformation between different TSV formats is a major step for providing interoperability between CoNLL formats.
@InProceedings{chiarcos_et_al:OASIcs.LDK.2021.20, author = {Chiarcos, Christian and Ionov, Maxim and Glaser, Luis and F\"{a}th, Christian}, title = {{An Ontology for CoNLL-RDF: Formal Data Structures for TSV Formats in Language Technology}}, booktitle = {3rd Conference on Language, Data and Knowledge (LDK 2021)}, pages = {20:1--20:14}, series = {Open Access Series in Informatics (OASIcs)}, ISBN = {978-3-95977-199-3}, ISSN = {2190-6807}, year = {2021}, volume = {93}, editor = {Gromann, Dagmar and S\'{e}rasset, Gilles and Declerck, Thierry and McCrae, John P. and Gracia, Jorge and Bosque-Gil, Julia and Bobillo, Fernando and Heinisch, Barbara}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.LDK.2021.20}, URN = {urn:nbn:de:0030-drops-145566}, doi = {10.4230/OASIcs.LDK.2021.20}, annote = {Keywords: language technology, data models, CoNLL-RDF, ontology} }
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