894 search results - page 20 / 179 » Gram: A Graph Data Model and Query Language |
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...
SEMWEB
2001
Springer
14 years 23 hour ago
2001
Springer
Abstract. Topic Maps and RDF are two independently developed paradigms and standards for the representation, interchange, and exploitation of model-based data on the web. Each para...
DKE
2007
13 years 7 months ago
2007
In our days knowledge extraction methods are able to produce artifacts (also called patterns) that concisely represent data. Patterns are usually quite heterogeneous and require a...
DAGSTUHL
1993
13 years 9 months ago
1993
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical an...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...