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» Fuzzy queries and relational databases
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VLDB
2003
ACM
141views Database» more  VLDB 2003»
16 years 3 days ago
Computing complete answers to queries in the presence of limited access patterns
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
Chen Li
ICDE
2005
IEEE
116views Database» more  ICDE 2005»
16 years 1 months ago
RDF Aggregate Queries and Views
Resource Description Framework (RDF) is a rapidly expanding web standard. RDF databases attempt to track the massive amounts of web data and services available. In this paper, we ...
Edward Hung, Yu Deng, V. S. Subrahmanian
SIGMOD
2011
ACM
283views Database» more  SIGMOD 2011»
14 years 2 months ago
iReduct: differential privacy with reduced relative errors
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
Xiaokui Xiao, Gabriel Bender, Michael Hay, Johanne...
VLDB
1992
ACM
151views Database» more  VLDB 1992»
15 years 3 months ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
PODS
2010
ACM
249views Database» more  PODS 2010»
15 years 5 months ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...