2070 search results - page 109 / 414 » Querying Communities in Relational Databases |
100
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CDB
2004
Springer
15 years 4 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
187
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ICDE
1995
IEEE
16 years 15 days ago
1995
IEEE
?In a fuzzy relational database where a relation is a fuzzy set of tuples and ill-known data are represented by possibility distributions, nested fuzzy queries can be expressed in ...
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Annotations play a key role in understanding and curating databases. Annotations may represent comments, descriptions, lineage information, among several others. Annotation manage...
184
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ICDE
2007
IEEE
16 years 15 days ago
2007
IEEE
Relational database management systems are constantly being extended and augmented to accommodate data in different domains. Recently, with the increasing use of ontology in vario...
153
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SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main featur...