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» On Theory Revision with Queries
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DEXA
2005
Springer
176views Database» more  DEXA 2005»
15 years 11 months ago
Control-Based Quality Adaptation in Data Stream Management Systems
Unlike processing snapshot queries in a traditional DBMS, the processing of continuous queries in a data stream management system (DSMS) needs to satisfy quality requirements such ...
Yi-Cheng Tu, Mohamed Hefeeda, Yuni Xia, Sunil Prab...
DOLAP
2004
ACM
15 years 11 months ago
Cardinality-based inference control in OLAP systems: an information theoretic approach
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
Nan Zhang 0004, Wei Zhao, Jianer Chen
SIGIR
2004
ACM
15 years 11 months ago
Dependence language model for information retrieval
This paper presents a new dependence language modeling approach to information retrieval. The approach extends the basic language modeling approach based on unigram by relaxing th...
Jianfeng Gao, Jian-Yun Nie, Guangyuan Wu, Guihong ...
CIKM
2003
Springer
15 years 11 months ago
An approach for implicitly detecting information needs
Searchers can have problems devising queries that accurately express their, often dynamic, information needs. In this paper we describe an adaptive approach that uses unobtrusive ...
Ryen White, Joemon M. Jose, Ian Ruthven
PODS
2010
ACM
184views Database» more  PODS 2010»
15 years 11 months ago
Universally optimal privacy mechanisms for minimax agents
A scheme that publishes aggregate information about sensitive data must resolve the trade-off between utility to information consumers and privacy of the database participants. D...
Mangesh Gupte, Mukund Sundararajan