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» Managing the operator ordering problem in parallel databases
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KDD
2008
ACM
135views Data Mining» more  KDD 2008»
16 years 6 months ago
Effective and efficient itemset pattern summarization: regression-based approaches
In this paper, we propose a set of novel regression-based approaches to effectively and efficiently summarize frequent itemset patterns. Specifically, we show that the problem of ...
Ruoming Jin, Muad Abu-Ata, Yang Xiang, Ning Ruan
163
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HPCC
2007
Springer
16 years 8 days ago
Software Pipelining for Packet Filters
Packet filters play an essential role in traffic management and security management on the Internet. In order to create software-based packet filters that are fast enough to work...
Yoshiyuki Yamashita, Masato Tsuru
SSDBM
2006
IEEE
129views Database» more  SSDBM 2006»
16 years 4 days ago
Indexing Time-Evolving Data With Variable Lifetimes
Many applicationsstore data items for a pre-determined, finite length of time. Examples include slidingwindows over on-line data streams, where old data are dropped as the window...
Lukasz Golab, Piyush Prahladka, M. Tamer Özsu
SSDBM
2002
IEEE
122views Database» more  SSDBM 2002»
15 years 11 months ago
ATreeGrep: Approximate Searching in Unordered Trees
An unordered labeled tree is a tree in which each node has a string label and the parent-child relationship is significant, but the order among siblings is unimportant. This pape...
Dennis Shasha, Jason Tsong-Li Wang, Huiyuan Shan, ...
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
15 years 10 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker