332 search results - page 51 / 67 » Implementing OCL as a Database Query Language |
WWW
2003
ACM
16 years 14 days ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
Visual Language (VL) system development is getting increasingly sophisticated in part due to the arduous nature of user interface (UI) code development. This typically involves id...
206
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ICDE
2004
IEEE
16 years 1 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
VLDB
1999
ACM
15 years 4 months ago
1999
ACM
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...
115
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SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
In spite of the omnipresence of parallel (multi-core) systems, the predominant strategy to evaluate window-based stream joins is still strictly sequential, mostly just straightfor...