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PODS
2008
ACM
178views Database» more  PODS 2008»
16 years 6 months ago
The chase revisited
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
Alin Deutsch, Alan Nash, Jeffrey B. Remmel
PODS
2008
ACM
155views Database» more  PODS 2008»
16 years 6 months ago
The recovery of a schema mapping: bringing exchanged data back
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
Marcelo Arenas, Jorge Pérez, Cristian River...
PODS
2008
ACM
174views Database» more  PODS 2008»
16 years 6 months ago
Epistemic privacy
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...
Alexandre V. Evfimievski, Ronald Fagin, David P. W...
EDBT
2008
ACM
128views Database» more  EDBT 2008»
16 years 6 months ago
Processing transitive nearest-neighbor queries in multi-channel access environments
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, Baihu...
EDBT
2008
ACM
159views Database» more  EDBT 2008»
16 years 6 months ago
P2P systems with transactional semantics
Structured P2P systems have been developed for constructing applications at internet scale in cooperative environments and exhibit a number of desirable features such as scalabili...
Shyam Antony, Divyakant Agrawal, Amr El Abbadi
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