Supporting annotation layers for natural language processing

Authors:
Preslav Nakov;Ariel Schwartz;Brian Wolf;Marti Hearst
Affiliations:
University of California, Berkeley, Berkeley, CA;University of California, Berkeley, Berkeley, CA;University of California, Berkeley, Berkeley, CA;University of California, Berkeley, Berkeley, CA
Venue:
ACLdemo '05 Proceedings of the ACL 2005 on Interactive poster and demonstration sessions
Year:
2005

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Abstract

We demonstrate a system for flexible querying against text that has been annotated with the results of NLP processing. The system supports self-overlapping and parallel layers, integration of syntactic and ontological hierarchies, flexibility in the format of returned results, and tight integration with SQL. We present a query language and its use on examples taken from the NLP literature.