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SIGMOD
2001
ACM
229views Database» more  SIGMOD 2001»
14 years 9 months ago
A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
Surajit Chaudhuri, Gautam Das, Vivek R. Narasayya
ADC
2004
Springer
103views Database» more  ADC 2004»
14 years 2 months ago
Optimizing The Lazy DFA Approach for XML Stream Processing
Lazy DFA (Deterministic Finite Automata) approach has been recently proposed to for efficient XML stream data processing. This paper discusses the drawbacks of the approach, sugge...
Danny Z. Chen, Raymond K. Wong
ATAL
2009
Springer
14 years 3 months ago
Computing optimal randomized resource allocations for massive security games
Predictable allocations of security resources such as police officers, canine units, or checkpoints are vulnerable to exploitation by attackers. Recent work has applied game-theo...
Christopher Kiekintveld, Manish Jain, Jason Tsai, ...
ADC
2007
Springer
193views Database» more  ADC 2007»
14 years 3 months ago
Optimizing XPath Queries on Streaming XML Data
XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are ...
Keerati Jittrawong, Raymond K. Wong
ADC
2007
Springer
93views Database» more  ADC 2007»
14 years 1 months ago
A Heuristic Approach to Cost-Efficient Derived Horizontal Fragmentation of Complex Value Databases
Derived horizontal fragmentation is one of the main database distribution design techniques. Unlike primary horizontal fragmentation, the decision of derived horizontal fragmentat...
Hui Ma, Klaus-Dieter Schewe, Qing Wang