641 search results - page 57 / 129 » Studying Query Expansion Effectiveness |
DEXA
2003
Springer
14 years 2 months ago
2003
Springer
The importance of location prediction is rapidly increasing with the current trend of database applications in mobile computing environment. However, current personal communicatio...
IPM
2008
13 years 9 months ago
2008
Interactive Cross-Language Information Retrieval (CLIR), a process in which searcher and system collaborate to find documents that satisfy an information need regardless of the la...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
ADHOCNOW
2008
Springer
13 years 10 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Current approaches for answering queries with imprecise constraints require user-specific distance metrics and importance measures for attributes of interest - metrics that are ha...