3652 search results - page 257 / 731 » A study of query length |
ICDE
2004
IEEE
14 years 11 months ago
2004
IEEE
The effectiveness of many existing high-dimensional indexing structures is limited to specific types of queries and workloads. For example, while the Pyramid technique and the iMi...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
SIGIR
2006
ACM
14 years 3 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...
IPPS
2003
IEEE
14 years 3 months ago
2003
IEEE
Peer-to-peer (p2p) systems such as Gnutella and KaZaa are routinely used by millions of people for sharing music and many other files over the Internet, and they account for a si...