687 search results - page 54 / 138 » Query Transformation for PSJ-Queries |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
With recent advances in temporal and spatiotemporal databases, user demands are becoming more complex. As a result, simple queries are replaced by complex multitemporal query scen...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...
CIKM
1999
Springer
14 years 1 months ago
1999
Springer
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
ISPAN
1997
IEEE
14 years 27 days ago
1997
IEEE
This paper is concerned with the transparent parallelisation of declarative database queries, based on theoretical principles. We have designed an entire database architecture sui...