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CLEF
2011
Springer
13 years 10 months ago
2011
Springer
Abstract. We propose a generative model for automatic query reformulations from an initial query using the underlying subtopic structure of top ranked retrieved documents. We addre...
WWW
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
When applying blind relevance feedback for ad hoc document retrieval, is it possible to identify, a priori, the set of query terms that will most improve retrieval performance? Ca...
IJCAI
2007
14 years 11 months ago
2007
In this paper, we argue that the agglomerative clustering with vector cosine similarity measure performs poorly due to two reasons. First, the nearest neighbors of a document belo...
CIKM
2004
Springer
15 years 1 months ago
2004
Springer
In this paper we study the problem of collecting training samples for building enterprise taxonomies. We develop a computer-aided tool named InfoAnalyzer, which can effectively as...