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239
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ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
209
Voted
ICDE
1997
IEEE
16 years 5 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
121
Voted
WWW
2007
ACM
16 years 4 months ago
2007
ACM
As the data and ontology layers of the Semantic Web stack have achieved a certain level of maturity in standard recommendations such as RDF and OWL, the current focus lies on two ...
202
Voted
VLDB
2006
ACM
16 years 3 months ago
2006
ACM
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
206
Voted
VLDB
2007
ACM
16 years 3 months ago
2007
ACM
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...