641 search results - page 56 / 129 » Studying Query Expansion Effectiveness |
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Proximity of query terms in a document is an important criterion in IR. However, no investigation has been made to determine the most useful term sequences for which proximity sho...
ITCC
2002
IEEE
14 years 1 months ago
2002
IEEE
While the persistent data of many advanced database applications, such as OLAP and scientific studies, are characterized by very high dimensionality, typical queries posed on thes...
EOR
2006
13 years 9 months ago
2006
The success of a company increasingly depends on timely information (internal or external) being available to the right person at the right time for crucial managerial decision-ma...
ESCIENCE
2005
IEEE
14 years 2 months ago
2005
IEEE
Effective integration of heterogeneous data sources has been studied as the most pressing challenge in various fields; such as, high energy physics, astronomy, and life sciences. ...
VLDB
2009
ACM
14 years 8 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...