263 search results - page 16 / 53 » Managing Complex Objects in an Extensible Relational DBMS |
119
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IS
2008
14 years 9 months ago
2008
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
JCDL
2004
ACM
15 years 3 months ago
2004
ACM
Automatic generation of semantic metadata describing spatial relations is highly desirable for image digital libraries. Relative spatial relations between objects in an image conv...
EKAW
2000
Springer
15 years 1 months ago
2000
Springer
The goal of conceptual clustering is to build a set of embedded classes, which cluster objects based on their similarities. Knowledge organization aims at generating the set of mos...
110
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ANSOFT
2002
14 years 9 months ago
2002
Web applications can be classified as hybrids between hypermedia and information systems. They have a relatively simple distributed architecture from the user viewpoint, but a comp...
159
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ICDE
1997
IEEE
15 years 11 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...