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CIKM
2007
Springer

SLOQUE: slot-based query expansion for complex questions

14 years 6 months ago
SLOQUE: slot-based query expansion for complex questions
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These queries have query terms assigned to entity and relationship slots. We develop several query expansion methods for slot-based queries so as to improve their retrieval effectiveness on a document collection. Each method consists of a combination of term scoring scheme, term scoring formula, and term assignment scheme. Our preliminary experiments evaluate these different slot-based query expansion methods on a collection of news documents, and conclude that: (1) slot-based queries yield better retrieval accuracy compared to keyword-based queries in the complex question problems; and (2) directly applying traditional query expansion on the query terms of each slot does not always work well. Categories and Subject Descriptors H.3.3 [Information Storage and Retrieval]: Information Search and Retrieval - Query form...
Maggy Anastasia Suryanto, Ee-Peng Lim, Aixin Sun,
Added 07 Jun 2010
Updated 07 Jun 2010
Type Conference
Year 2007
Where CIKM
Authors Maggy Anastasia Suryanto, Ee-Peng Lim, Aixin Sun, Roger H. L. Chiang
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