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» Optimization in Object Caching
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SP
2005
IEEE
149views Security Privacy» more  SP 2005»
15 years 11 months ago
Distributed Proving in Access-Control Systems
We present a distributed algorithm for assembling a proof that a request satisfies an access-control policy expressed in a formal logic, in the tradition of Lampson et al. [16]. ...
Lujo Bauer, Scott Garriss, Michael K. Reiter
VLDB
2005
ACM
125views Database» more  VLDB 2005»
15 years 11 months ago
Rewriting XPath Queries Using Materialized Views
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
Wanhong Xu, Z. Meral Özsoyoglu
DEXA
2004
Springer
103views Database» more  DEXA 2004»
15 years 11 months ago
Characterizing Database User's Access Patterns
Much work has been done on characterizing the workload of a database system. Previous studies focused on providing different types of statistical summaries, and modeling the run-ti...
Qingsong Yao, Aijun An
ISMIR
2004
Springer
90views Music» more  ISMIR 2004»
15 years 11 months ago
Automatic extraction of music descriptors from acoustic signals
High-Level music descriptors are key ingredients for music information retrieval systems. Although there is a long tradition in extracting information from acoustic signals, the f...
François Pachet, Aymeric Zils
166
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EUROPAR
2003
Springer
15 years 11 months ago
Obtaining Hardware Performance Metrics for the BlueGene/L Supercomputer
Hardware performance monitoring is the basis of modern performance analysis tools for application optimization. We are interested in providing such performance analysis tools for t...
Pedro Mindlin, José R. Brunheroto, Luiz De ...