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EDBTW
2010
Springer
14 years 3 months ago
Updating probabilistic XML
We investigate the complexity of performing updates on probabilistic XML data for various classes of probabilistic XML documents of different succinctness. We consider two elemen...
Evgeny Kharlamov, Werner Nutt, Pierre Senellart
ER
2007
Springer
184views Database» more  ER 2007»
14 years 3 months ago
Collection Type Constructors in Entity-Relationship Modeling
Abstract. Collections play an important part in everyday life. Therefore, conceptual data models should support collection types to make data modeling as natural as possible for it...
Sven Hartmann, Sebastian Link
ICDT
2007
ACM
107views Database» more  ICDT 2007»
14 years 3 months ago
Privacy in GLAV Information Integration
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
Alan Nash, Alin Deutsch
AMW
2009
13 years 10 months ago
Semantic Integrity Constraints for Spatial Databases
Abstract. This paper introduces a formalization of a set of spatial semantic integrity constraints on an extended-relational database model. The formalization extends traditional n...
Loreto Bravo, M. Andrea Rodríguez
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
14 years 9 months ago
Relational-style XML query
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
Taro L. Saito, Shinichi Morishita