43 search results - page 8 / 9 » Relational Algebra for Spatio-Temporal Data Management |
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
CIDR
2007
13 years 7 months ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
PPDP
2010
Springer
13 years 4 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
ICDT
2009
ACM
14 years 6 months ago
2009
ACM
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
APWEB
2003
Springer
13 years 11 months ago
2003
Springer
Search engines are among the most important applications or services on the web. Most existing successful search engines use global ranking algorithms to generate the ranking of do...