537 search results - page 42 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
DEBU
2007
13 years 9 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
DOCENG
2008
ACM
13 years 11 months ago
2008
ACM
As XML has emerged as a data representation format and as great quantities of data have been stored in the XML format, XML document design has become an important and evident issu...
SIGIR
2008
ACM
13 years 9 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
CIKM
2004
Springer
14 years 2 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
EUROPAR
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. We introduce SONAR, a structured overlay to store and retrieve objects addressed by multi-dimensional names (keys). The overlay has the shape of a multi-dimensional torus...