239 search results - page 17 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
ICDE
2010
IEEE
13 years 5 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 ...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
HT
1998
ACM
13 years 12 months ago
1998
ACM
The presentation layer of hypermedia systems could benefit from standard object querying functionality and this is most effective if strong typing is enforced. By strong typing we...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
TIME
2006
IEEE
14 years 1 months ago
2006
IEEE
An increasing number of documents in companies and other organizations are now only available electronically, and exist in several versions updated at different times. In order to...