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» Answering Non-Monotonic Queries in Relational Data Exchange
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ICDT
2010
ACM
211views Database» more  ICDT 2010»
14 years 8 months ago
Probabilistic Data Exchange
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
Ronald Fagin, Benny Kimelfeld, Phokion Kolaitis
ICDT
2003
ACM
104views Database» more  ICDT 2003»
14 years 4 months ago
Data Exchange: Semantics and Query Answering
Ronald Fagin, Phokion G. Kolaitis, Renée J....
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 11 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
14 years 11 months ago
Approximate XML Query Answers
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
WAIM
2010
Springer
13 years 8 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan