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» Answering Queries Using Cooperative Semantic Caching
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KDD
2007
ACM
186views Data Mining» more  KDD 2007»
14 years 7 months ago
An Ad Omnia Approach to Defining and Achieving Private Data Analysis
We briefly survey several privacy compromises in published datasets, some historical and some on paper. An inspection of these suggests that the problem lies with the nature of the...
Cynthia Dwork
PODS
2008
ACM
174views Database» more  PODS 2008»
14 years 7 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...
NLE
2008
109views more  NLE 2008»
13 years 7 months ago
Natural language processing in CLIME, a multilingual legal advisory system
This paper describes clime, a web-based legal advisory system with a multilingual natural language interface. clime is a `proof-of-concept' system which answers queries relat...
Roger Evans, Paul Piwek, Lynne J. Cahill, Neil Tip...
VMCAI
2007
Springer
14 years 1 months ago
Better Under-Approximation of Programs by Hiding Variables
Abstraction frameworks use under-approximating transitions in order to prove existential properties of concrete systems. Under-approximating transifer to the concrete states that c...
Thomas Ball, Orna Kupferman
PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 8 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...