771 search results - page 57 / 155 » Access Methods and Query Processing Techniques |
FOSAD
2005
Springer
14 years 3 months ago
2005
Springer
Smartcards are trusted personal devices designed to store and process confidential data, and to act as secure tokens for providing access to applications and services. Smartcards ...
ICDE
2010
IEEE
13 years 8 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
DKE
2006
13 years 10 months ago
2006
The K-Closest-Pairs Query (K-CPQ), a type of distance join in spatial databases, discovers the K pairs of objects formed from two different datasets with the K smallest distances....
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
In a federated digital library system, it is too expensive to query every accessible library. Resource selection is the task to decide to which libraries a query should be routed....
SIGIR
2006
ACM
14 years 4 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...