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TCS
2010
8 years 10 months ago
Towards practical feasibility of core computation in data exchange
Abstract. Core computation in data exchange is concerned with materializing the minimal target database for a given source database. Gottlob and Nash have recently shown that the c...
Reinhard Pichler, Vadim Savenkov
NOSSDAV
2010
Springer
8 years 10 months ago
Reducing data request contentions for improved streaming quality
In P2P assisted multi-channel live streaming systems, it is commonly believed that in unpopular channels, quality degradation is due to the small number of participating peers wit...
Yao Liu, Fei Li, Lei Guo, Songqing Chen
PVLDB
2008
170views more  PVLDB 2008»
8 years 10 months ago
Data exchange with data-metadata translations
Data exchange is the process of converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange systems have l...
Mauricio A. Hernández, Paolo Papotti, Wang ...
VLDB
2002
ACM
91views Database» more  VLDB 2002»
8 years 11 months ago
DTD-Directed Publishing with Attribute Translation Grammars
We present a framework for publishing relational data in XML with respect to a fixed DTD. In data exchange on the Web, XML views of relational data are typically required to confo...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Raje...
AMW
2009
9 years 1 months ago
Checking Containment of Schema Mappings (Preliminary Report)
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...
Andrea Calì, Riccardo Torlone
ACSW
2004
9 years 1 months ago
Mining Association Rules from XML Data using XQuery
In recent years XML has became very popular for representing semistructured data and a standard for data exchange over the web. Mining XML data from the web is becoming increasing...
Jacky W. W. Wan, Gillian Dobbie
CAISE
2006
Springer
9 years 3 months ago
Inter Model Data Exchange of Type Information via a Common Type Hierarchy
Data exchange between heterogeneous schemas is a difficult problem that becomes more acute if the source and target schemas are from different data models. The data type of the obj...
Andrew Smith, Peter McBrien
ICDT
2007
ACM
118views Database» more  ICDT 2007»
9 years 4 months ago
Approximate Data Exchange
Abstract. We introduce approximate data exchange, by relaxing classical data exchange problems such as Consistency and Typechecking to their approximate versions based on Property ...
Michel de Rougemont, Adrien Vieilleribière
EDBT
1998
ACM
105views Database» more  EDBT 1998»
9 years 4 months ago
Equal Time for Data on the Internet with WebSemantics
Many collections of scienti c data in particular disciplines are available today around the world. Much of this data conforms to some agreed upon standard for data exchange, i.e., ...
George A. Mihaila, Louiqa Raschid, Anthony Tomasic
PODS
2010
ACM
242views Database» more  PODS 2010»
9 years 5 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
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