1832 search results - page 147 / 367 » Querying RDF Data Using A Multigraph-based Approach |
154
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DKE
2006
15 years 6 months ago
2006
We describe a framework called the Uni-Level Description (ULD) for accurately representing information from a broad range of data models. The ULD extends previous metadata-model a...
179
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
185
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DOLAP
2000
ACM
15 years 10 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
174
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
178
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
We follow the stack-baaed approach to query languages which is a new formal and intellectual paradigm for integrating querying and programming for object-oriented databases. Queri...