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» Querying Incomplete Information in Semistructured Data
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EDBTW
2006
Springer
13 years 11 months ago
Preference-Driven Querying of Inconsistent Relational Databases
One of the goals of cleaning an inconsistent database is to remove conflicts between tuples. Typically, the user specifies how the conflicts should be resolved. Sometimes this spec...
Slawomir Staworko, Jan Chomicki, Jerzy Marcinkowsk...
WWW
2002
ACM
14 years 8 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...
JAPLL
2008
121views more  JAPLL 2008»
13 years 7 months ago
Reasoning with prioritized information by iterative aggregation of distance functions
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
Ofer Arieli
BTW
2005
Springer
142views Database» more  BTW 2005»
14 years 1 months ago
Self-Extending Peer Data Management
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
Ralf Heese, Sven Herschel, Felix Naumann, Armin Ro...
CIKM
2004
Springer
13 years 11 months ago
Efficient processing of XML twig patterns with parent child edges: a look-ahead approach
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
Jiaheng Lu, Ting Chen, Tok Wang Ling