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» A Formalization of ODMG Queries
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POLICY
2004
Springer
14 years 4 months ago
Cassandra: Distributed Access Control Policies with Tunable Expressiveness
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
Moritz Y. Becker, Peter Sewell
DEBS
2003
ACM
14 years 4 months ago
Relational subscription middleware for Internet-scale publish-subscribe
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...
Yuhui Jin, Robert E. Strom
ADC
2003
Springer
139views Database» more  ADC 2003»
14 years 4 months ago
Deriving Relation Keys from XML Keys
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
Qing Wang, Hongwei Wu, Jianchang Xiao, Aoying Zhou...
ASP
2003
Springer
14 years 4 months ago
Outlier Detection Using Default Logic
Default logic is used to describe regular behavior and normal properties. We suggest to exploit the framework of default logic for detecting outliers - individuals who behave in a...
Fabrizio Angiulli, Rachel Ben-Eliyahu-Zohary, Luig...
ICDT
2010
ACM
149views Database» more  ICDT 2010»
14 years 3 months ago
Mapping Polymorphism
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Ryan Wisnesky, Mauricio Hernandez, Lucian Popa