24105 search results - page 204 / 4821 » Models in Information Retrieval |
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
We present a novel approach to query reformulation which combines syntactic and semantic information by means of generalized Levenshtein distance algorithms where the substitution...
CIKM
2007
Springer
14 years 5 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...
CICLING
2007
Springer
14 years 5 months ago
2007
Springer
The need of having a Passage Retrieval (PR) system for Arabic texts is due essentially to our aim to build an Arabic Question Answering (QA) system in our research team. We have ch...
RIAO
2007
14 years 6 days ago
2007
Information Retrieval (IR) systems are built with different goals in mind. Some IR systems target high precision that is to have more relevant documents on the first page of their...
NIPS
2004
14 years 5 days ago
2004
High retrieval precision in content-based image retrieval can be attained by adopting relevance feedback mechanisms. These mechanisms require that the user judges the quality of t...