239 search results - page 18 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
ICTL
1994
13 years 11 months ago
1994
Commonsense knowledge often omits the temporal incidence of facts, and even the ordering between occurrences is only available for some of their instances. Reasoning about the temp...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The increasing use of temporal and spatial data in presentday relational systems necessitates an efficient support of joins on interval-valued attributes. Standard join algorithms...
SSDBM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
SIGMOD
2010
ACM
14 years 15 days ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
We describe the design and implementation of a new data layout scheme, called multi-dimensional clustering, in DB2 Universal Database Version 8. Many applications, e.g., OLAP and ...