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» A Formalization of ODMG Queries
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SIGMOD
2003
ACM
147views Database» more  SIGMOD 2003»
14 years 10 months ago
Formal semantics and analysis of object queries
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
Gavin M. Bierman
SIGMOD
2001
ACM
93views Database» more  SIGMOD 2001»
14 years 10 months ago
XQuery Formal Semantics: State and Challenges
The XQuery formalization is an ongoing effort of the W3C XML Query working group to define a precise formal semantics for XQuery. This paper briefly introduces the current state o...
Peter Fankhauser
TSC
2010
130views more  TSC 2010»
13 years 4 months ago
Secure Abstraction Views for Scientific Workflow Provenance Querying
bstraction Views for Scientific Workflow Provenance Querying Artem Chebotko, Member, IEEE, Shiyong Lu, Senior Member, IEEE, Seunghan Chang, Farshad Fotouhi, Member, IEEE, and Ping ...
Artem Chebotko, Shiyong Lu, Seunghan Chang, Farsha...
ECIR
2009
Springer
13 years 7 months ago
Refining Keyword Queries for XML Retrieval by Combining Content and Structure
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
Desislava Petkova, W. Bruce Croft, Yanlei Diao
CIDM
2007
IEEE
14 years 4 months ago
Reactive Query Policies: A Formalism for Planning with Volatile External Information
— To generate plans for collecting data for data mining, an important problem is information volatility during planning: the information needed by the planning system may change ...
Tsz-Chiu Au, Dana S. Nau