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» Modeling and simulation of retrieving process
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VLDB
2008
ACM
140views Database» more  VLDB 2008»
16 years 3 months ago
Efficient temporal counting with bounded error
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
Yufei Tao, Xiaokui Xiao
SIGMOD
2007
ACM
172views Database» more  SIGMOD 2007»
16 years 3 months ago
Auditing disclosure by relevance ranking
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
Rakesh Agrawal, Alexandre V. Evfimievski, Jerry Ki...
EDBT
2004
ACM
131views Database» more  EDBT 2004»
16 years 3 months ago
Declustering Two-Dimensional Datasets over MEMS-Based Storage
Due to the large difference between seek time and transfer time in current disk technology, it is advantageous to perform large I/O using a single sequential access rather than mu...
Hailing Yu, Divyakant Agrawal, Amr El Abbadi
EDBT
2008
ACM
194views Database» more  EDBT 2008»
16 years 3 months ago
XCraft: boosting the performance of active XML materialization
An active XML (AXML) document contains tags representing calls to Web services. Therefore, retrieving its contents consists in materializing its data elements by invoking the embe...
Gabriela Ruberg, Marta Mattoso
ACIIDS
2009
IEEE
122views Database» more  ACIIDS 2009»
15 years 10 months ago
How to Maximize User Satisfaction Degree in Multi-service IP Networks
—Bandwidth allocation is a fundamental problem in communication networks. With current network moving towards the Future Internet model, the problem is further intensified as net...
Huy Anh Nguyen, Tam Van Nguyen, Deokjai Choi