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ECIR
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. Pseudo-Relevance Feedback (PRF) assumes that the topranking n documents of the initial retrieval are relevant and extracts expansion terms from them. In this work, we int...
CICLING
2010
Springer
14 years 1 months ago
2010
Springer
In this paper, we address both standard and focused retrieval tasks based on comprehensible language models and interactive query expansion (IQE). Query topics are expanded using a...
CIA
2000
Springer
14 years 2 months ago
2000
Springer
The research reported in this paper has both a scientific and a commercial aim. The scientific interest is to explore the use of contexts in order to improve the quality of informa...
NAACL
2004
13 years 11 months ago
2004
The paper presents two approaches to interactively refining user search formulations and their evaluation in the new High Accuracy Retrieval from Documents (HARD) track of TREC-12...
VLDB
2002
ACM
13 years 9 months ago
2002
ACM
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...