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» Answering Queries from Statistics and Probabilistic Views
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EDBT
2012
ACM
224views Database» more  EDBT 2012»
11 years 10 months ago
Aggregate queries on probabilistic record linkages
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...
Ming Hua, Jian Pei
ECAI
2008
Springer
13 years 10 months ago
Privacy-Preserving Query Answering in Logic-based Information Systems
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
Bernardo Cuenca Grau, Ian Horrocks
DILS
2005
Springer
14 years 1 months ago
Information Integration and Knowledge Acquisition from Semantically Heterogeneous Biological Data Sources
Abstract. We present INDUS (Intelligent Data Understanding System), a federated, query-centric system for knowledge acquisition from autonomous, distributed, semantically heterogen...
Doina Caragea, Jyotishman Pathak, Jie Bao, Adrian ...
PVLDB
2008
101views more  PVLDB 2008»
13 years 8 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao
EDBT
2008
ACM
131views Database» more  EDBT 2008»
14 years 8 months ago
A Bayesian approach for on-line max and min auditing
In this paper we consider the on-line max and min query auditing problem: given a private association between fields in a data set, a sequence of max and min queries that have alr...
Gerardo Canfora, Bice Cavallo