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» On Querying Ontologies and Databases
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SSPR
1998
Springer
14 years 1 months ago
Semantic Content Based Image Retrieval Using Object-Process Diagrams
Abstract. The increase in accessability to on-line visual data has promoted the interest in browsing and retrieval of images from Image Databases. Current approaches assume either ...
Dov Dori, Hagit Zabrodsky Hel-Or
VLDB
1997
ACM
97views Database» more  VLDB 1997»
14 years 1 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
ICDE
1993
IEEE
158views Database» more  ICDE 1993»
14 years 1 months ago
Unification of Temporal Data Models
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
Christian S. Jensen, Michael D. Soo, Richard T. Sn...
VLDB
1992
ACM
151views Database» more  VLDB 1992»
14 years 1 months ago
Parallelism in a Main-Memory DBMS: The Performance of PRISMA/DB
This paper evaluates the performance of the parallel, main-memory DBMS, PRISMA/DB. First, an architecture for parallel query execution is presented. A performance model for the ex...
Annita N. Wilschut, Jan Flokstra, Peter M. G. Aper...
EDBT
2009
ACM
122views Database» more  EDBT 2009»
14 years 26 days ago
Finding the influence set through skylines
Given a set P of products, a set O of customers, and a product p P, a bichromatic reverse skyline query retrieves all the customers in O that do not find any other product in P t...
Xiaobing Wu, Yufei Tao, Raymond Chi-Wing Wong, Lin...
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