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DOLAP
2004
ACM
15 years 2 months ago
2004
ACM
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
CIKM
2004
Springer
15 years 2 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
COOPIS
2003
IEEE
15 years 2 months ago
2003
IEEE
This paper discusses some of the implications of introducing the dynamic object role concept into object-oriented metamodels on both implementational and conceptual modeling levels...
DEXA
2003
Springer
15 years 2 months ago
2003
Springer
In recent years, link-based information retrieval methods from the Web are developed. A framework of these methods is a Web graph using pages as vertices and Web-links as edges. In...
MM
2009
ACM
15 years 2 months ago
2009
ACM
The explosive growth of multimedia data poses serious challenges to data storage, management and search. Efficient near-duplicate detection is one of the required technologies for...