1247 search results - page 146 / 250 » Predicting query performance on the web |
IR
2006
13 years 10 months ago
2006
In this paper we describe and evaluate a Question Answering (QA) system that goes beyond answering factoid questions. Our approach to QA assumes no restrictions on the type of que...
VLDB
2005
ACM
14 years 10 months ago
2005
ACM
With the recent advances in wireless networks, embedded systems and GPS technology, databases that manage the location of moving objects have received increased interest. In this ...
IPPS
2007
IEEE
14 years 4 months ago
2007
IEEE
We study efficient query processing in distributed web search engines with global index organization. The main performance bottleneck in this case is due to the large amount of i...
ERCIMDL
1999
Springer
14 years 2 months ago
1999
Springer
Abstract. We present an approach to increasing the effectiveness of rankedoutput retrieval systems that relies on graphical display and user manipulation of “views” of retrieva...
WWW
2004
ACM
14 years 11 months ago
2004
ACM
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...