12 search results - page 2 / 3 » Cost-based query optimization for complex pattern mining on ... |
HICSS
2003
IEEE
13 years 10 months ago
2003
IEEE
The discovery of sequential patterns, which extends beyond frequent item-set finding of association rule mining, has become a challenging task due to its complexity. Essentially, ...
SSDBM
1999
IEEE
13 years 9 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
CIKM
2008
Springer
13 years 7 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...