POWLA is a formalism that allows to represent linguistic corpora in RDF.
POWLA is an OWL/DL formalization of an abstract data model, PAULA (http://www.sfb632.uni-potsdam.de/d1/paula/doc), that has been developed to represent (a) any type of linguistic annotation applicable to textual data, and (b) any combination of annotation layers.
For a detailed motivation of POWLA and its application to facilitate interoperability of annotated corpora, see
Christian Chiarcos (to appear 2012), Interoperability of Corpora and Annotations, in: Christian Chiarcos, Sebastian Nordhoff and Sebastian Hellmann (eds.), Linked Data in Linguistics. Representing Language Data and Me
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Creative Commons Attribution License, GNU Library or Lesser General Public License version 3.0 (LGPLv3)Follow POWLA
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