Cited By
View all- Blooma MHoe‐Lian Goh DYeow‐Kuan Chua A(2012)Predictors of high‐quality answersOnline Information Review10.1108/1468452121124141336:3(383-400)Online publication date: 15-Jun-2012
SLOQUE: slot-based query expansion for complex questions
Pages 47 - 54
Abstract
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.
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Index Terms
- SLOQUE: slot-based query expansion for complex questions
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View all- Blooma MHoe‐Lian Goh DYeow‐Kuan Chua A(2012)Predictors of high‐quality answersOnline Information Review10.1108/1468452121124141336:3(383-400)Online publication date: 15-Jun-2012
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