2468 search results - page 33 / 494 » Aggregation operators 2003 |
169
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Most of the existing work on skyline query has been extensively used in decision support, recommending systems etc, and mainly focuses on the efficiency issue for a single table. ...
SSDBM
1998
IEEE
15 years 1 months ago
1998
IEEE
On-Line Analytical Processing (OLAP) is a trend in database technology, which was recently introduced and has attracted the interest of a lot of research work. OLAP is based on th...
115
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EUSFLAT
2009
14 years 7 months ago
2009
In this paper we present the operational semantics of RFuzzy, a fuzzy Logic Programming framework that represents thruth values using real numbers from the unit interval. RFuzzy pr...
DOLAP
1999
ACM
15 years 2 months ago
1999
ACM
Recently numerous proposals for modelling and querying Multidimensional Databases (MDDB) are proposed. Among the still open problems there is a rigorous classification of the diff...
SAC
2006
ACM
15 years 3 months ago
2006
ACM
In the paper we describe the problem of grouping and aggregation in the concept-oriented data model. The model is based on ordering its elements within a hierarchical multidimensi...