1160 search results - page 184 / 232 » Query Processing and Optimization for Pictorial Query Trees |
CIKM
1999
Springer
15 years 2 months ago
1999
Springer
On-line analytical processing (OLAP) requires e cient processing of complex decision support queries over very large databases. It is well accepted that pre-computed data cubes ca...
HICSS
2002
IEEE
15 years 3 months ago
2002
IEEE
We present a novel system and methodology for browsing and exploring topics and concepts within a document collection. The process begins with the generation of multiple taxonomie...
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DMIN
2007
14 years 11 months ago
2007
- Several algorithms have been introduced for mining frequent itemsets. The recent datasettransformation approach suffers either from the possible increasing in the number of struc...
ADBIS
2005
Springer
15 years 3 months ago
2005
Springer
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Abstract. Modern document collections often contain groups of documents with overlapping or shared content. However, most information retrieval systems process each document separa...