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DBKDA
2009
IEEE
99views Database» more  DBKDA 2009»
13 years 11 months ago
An Adaptive Synchronization Policy for Harvesting OAI-PMH Repositories
Metadata harvesting requires timely propagation of up-to-date information from thousands of Repositories over a wide area network. It is desirable to keep the data as fresh as poss...
Noha Adly
ICDE
2007
IEEE
122views Database» more  ICDE 2007»
14 years 9 months ago
Put a Tree Pattern in Your Algebra
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
George A. Mihaila, Jérôme Simé...
ICPADS
2006
IEEE
14 years 1 months ago
Parallel Leap: Large-Scale Maximal Pattern Mining in a Distributed Environment
When computationally feasible, mining extremely large databases produces tremendously large numbers of frequent patterns. In many cases, it is impractical to mine those datasets d...
Mohammad El-Hajj, Osmar R. Zaïane
VLDB
2005
ACM
118views Database» more  VLDB 2005»
14 years 1 months ago
Mining Compressed Frequent-Pattern Sets
A major challenge in frequent-pattern mining is the sheer size of its mining results. In many cases, a high min sup threshold may discover only commonsense patterns but a low one ...
Dong Xin, Jiawei Han, Xifeng Yan, Hong Cheng
VLDB
1999
ACM
188views Database» more  VLDB 1999»
13 years 12 months ago
SPIRIT: Sequential Pattern Mining with Regular Expression Constraints
Discovering sequential patterns is an important problem in data mining with a host of application domains including medicine, telecommunications, and the World Wide Web. Conventio...
Minos N. Garofalakis, Rajeev Rastogi, Kyuseok Shim