Integrated Shallow and Deep Parsing: TopP meets HPSG

Anette Frank, Markus Becker, Berthold Crysmann, Bernd Kiefer, Ulrich Schäfer

In: Proceedings of ACL-2003. Annual Meeting of the Association for Computational Linguistics (ACL) Sapporo Japan Seiten 104-111 2003.


We present a novel, data-driven method for integrated shallow and deep parsing. Mediated by an XML-based multi-layer annotation architecture, we interleave a robust, but accurate stochastic topological field parser of German with a constraintbased HPSG parser. Our annotation-based method for dovetailing shallow and deep phrasal constraints is highly flexible, allowing targeted and fine-grained guidance of constraint-based parsing. We conduct systematic experiments that demonstrate substantial performance gains.


ACL2003_Franketal.pdf (pdf, 115 KB ) (ps, 250 KB )

Deutsches Forschungszentrum für Künstliche Intelligenz
German Research Center for Artificial Intelligence