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IAJIT
2010
133views more  IAJIT 2010»
13 years 3 months ago
Mediation Queries Adaptation After the Removal of a Data Source
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
Latifa Baba-hamed
DKE
2008
172views more  DKE 2008»
13 years 5 months ago
An XML Schema integration and query mechanism system
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
Sanjay Kumar Madria, Kalpdrum Passi, Sourav S. Bho...
COOPIS
2004
IEEE
13 years 9 months ago
Composing Mappings Between Schemas Using a Reference Ontology
Large-scale database integration requires a significant cost in developing a global schema and finding mappings between the global and local schemas. Developing the global schema r...
Eduard C. Dragut, Ramon Lawrence
ER
2007
Springer
102views Database» more  ER 2007»
13 years 9 months ago
Relational Data Tailoring Through View Composition
This paper presents a methodology to derive views over a relational database by applying a sequence of appropriately defined operations to the global schema. Such tailoring and com...
Cristiana Bolchini, Elisa Quintarelli, Rosalba Ros...
BTW
2005
Springer
142views Database» more  BTW 2005»
13 years 10 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...
ADBIS
2006
Springer
81views Database» more  ADBIS 2006»
13 years 11 months ago
SDQNET: Semantic Distributed Querying in Loosely Coupled Data Sources
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
Eirini Spyropoulou, Theodore Dalamagas
OTM
2007
Springer
13 years 11 months ago
Modeling Data Federations in ORM
: Two major problems in constructing data federations (for example, data warehouses and database federations) concern achieving and maintaining consistency and a uniform representa...
Herman Balsters, Terry A. Halpin
ICDT
2007
ACM
107views Database» more  ICDT 2007»
13 years 11 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
SIGMOD
2003
ACM
123views Database» more  SIGMOD 2003»
14 years 5 months ago
The hyperion project: from data integration to data coordination
We present an architecture and a set of challenges for peer database management systems. These systems team up to build a network of nodes (peers) that coordinate at run time most...
Marcelo Arenas, Vasiliki Kantere, Anastasios Kemen...