293 search results - page 25 / 59 » Efficiently Querying Relational Databases Using OWL and SWRL |
190
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VLDB
2001
ACM
15 years 12 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
SSD
2001
Springer
15 years 4 months ago
2001
Springer
Intervals represent a fundamental data type for temporal, scientific, and spatial databases where time stamps and point data are extended to time spans and range data, respectively...
109
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ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
107
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CORR
2010
Springer
14 years 11 months ago
2010
Springer
Incorporating probabilities into the semantics of incomplete databases has posed many challenges, forcing systems to sacrifice modeling power, scalability, or treatment of relatio...
DEXA
2009
Springer
15 years 6 months ago
2009
Springer
SHIRI 1 is an ontology-based system for integration of semistructured documents related to a specific domain. The system’s purpose is to allow users to access to relevant parts ...