... extract the semantic structure of noun phrase queries, i.e., IHs, IMsand the semantic labels of IMs. In particular, weinvestigate the use of transition, lexical, semantic and syntactic features. The ... identifying their semantic class, which is a primary focus of previous works, but also understandingtheir semantic structure. In this work, weformally define the semantic structure of noun phrase ... LinguisticsUnderstanding the Semantic Structure of Noun Phrase QueriesXiao LiMicrosoft ResearchOne Microsoft WayRedmond, WA 98052 USAxiaol@microsoft.comAbstractDetermining the semantic intent of webqueries...