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» Answering imprecise database queries: a novel approach
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SIGMOD
2010
ACM
184views Database» more  SIGMOD 2010»
14 years 15 days ago
Load-balanced query dissemination in privacy-aware online communities
We propose a novel privacy-preserving distributed infrastructure in which data resides only with the publishers owning it. The infrastructure disseminates user queries to publishe...
Emiran Curtmola, Alin Deutsch, K. K. Ramakrishnan,...
SIGMOD
1994
ACM
85views Database» more  SIGMOD 1994»
13 years 11 months ago
Adaptive Selectivity Estimation Using Query Feedback
In this paper, we propose a novel approach for estimating the record selectivities of database queries. The real attribute value distribution is adaptively approximated by a curve...
Chung-Min Chen, Nick Roussopoulos
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
13 years 11 months ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link
NCA
2009
IEEE
14 years 2 months ago
Sharing Private Information Across Distributed Databases
—In industries such as healthcare, there is a need to electronically share privacy-sensitive data across distinct organizations. We show how this can be done while allowing organ...
Michael Siegenthaler, Ken Birman
SIGMOD
2007
ACM
141views Database» more  SIGMOD 2007»
14 years 7 months ago
Assisted querying using instant-response interfaces
We demonstrate a novel query interface that enables users to construct a rich search query without any prior knowledge of the underlying schema or data. The interface, which is in...
Arnab Nandi, H. V. Jagadish