494 search results - page 1 / 99 » Comparing and Combining Methods for Automatic Query Expansio... |
CORR
2008
Springer
13 years 4 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
CIKM
2007
Springer
13 years 11 months ago
2007
Springer
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 qu...
ECIR
2007
Springer
13 years 6 months ago
2007
Springer
Information retrieval systems (IRSs) usually suffer from a low ability to recognize a same idea that is expressed in different forms. A way of improving these systems is to take ...
CLEF
2006
Springer
13 years 6 months ago
2006
Springer
This paper presents the second participation of the University of Ottawa group in the Cross-Language Speech Retrieval (CL-SR) task at CLEF 2006. We present the results of the submi...
ECIR
2011
Springer
12 years 8 months ago
2011
Springer
In the context of biomedical information retrieval (IR), this paper explores the relationship between the document’s global context and the query’s local context in an attempt ...