537 search results - page 93 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
MM
2010
ACM
13 years 8 months ago
2010
ACM
In Web 2.0, users have generated and shared massive amounts of resources in various media formats, such as news, blogs, audios, photos and videos. The abundance and diversity of t...
DAGSTUHL
2004
13 years 9 months ago
2004
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
ICPP
2007
IEEE
14 years 2 months ago
2007
IEEE
Gnutella overlays have evolved to use a two-tier topology. However, we observed that the new topology had only achieved modest improvements in search success rates. Also, the new ...
CDES
2008
13 years 9 months ago
2008
R-tree data structures are widely used in spatial databases to store, manage and manipulate spatial information. As the data volume of such databases is typically very large, the q...
VLDB
2003
ACM
14 years 8 months ago
2003
ACM
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...