253 search results - page 32 / 51 » A Query Language for EER Schemas |
116
Voted
ICDT
2012
ACM
13 years 2 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
102
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LAWEB
2003
IEEE
15 years 5 months ago
2003
IEEE
RDF is the first W3C standard for enriching information resources of the Web with detailed meta data. The semantics of RDF data is defined using a RDF schema. The most expressiv...
IDEAS
2007
IEEE
15 years 6 months ago
2007
IEEE
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
120
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FODO
1998
Springer
15 years 3 months ago
1998
Springer
In this paper, we propose an entity-based style of queries for semistructured data. First, we partition a semistructured data into subgraphs corresponding to real-world entities, ...
183
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GIS
2004
ACM
16 years 23 days ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...