Paper: Understanding the Semantic Structure of Noun Phrase Queries

ACL ID P10-1136
Title Understanding the Semantic Structure of Noun Phrase Queries
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 2010
Authors

Determining the semantic intent of web queries not only involves identifying their semantic class, which is a primary focus of previous works, but also understanding their semantic structure. In this work, we formally define the semantic structure of noun phrase queries as comprised of intent heads and intent modifiers. We present methods that automatically identify these constituents as well as their semantic roles based on Markov and semi-Markov con- ditional random fields. We show that the use of semantic features and syntactic fea- tures significantly contribute to improving the understanding performance.