418 search results - page 36 / 84 » Overview of TREC 2004 |
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Previous research on cluster-based retrieval has been inconclusive as to whether it does bring improved retrieval effectiveness over document-based retrieval. Recent developments ...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
List question answering (QA) offers a unique challenge in effectively and efficiently locating a complete set of distinct answers from huge corpora or the Web. In TREC-12, the med...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
SPIRE
2004
Springer
14 years 1 months ago
2004
Springer
The prediction of query performance is an interesting and important issue in Information Retrieval (IR). Current predictors involve the use of relevance scores, which are time-cons...
SIGIR
2010
ACM
13 years 8 months ago
2010
ACM
In this paper we study the problem of entity retrieval for news applications and the importance of the news trail history (i.e. past related articles) to determine the relevant en...