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» Drawing database schemas
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VLDB
1997
ACM
165views Database» more  VLDB 1997»
14 years 25 days ago
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...
Roy Goldman, Jennifer Widom
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 8 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
EDBT
2008
ACM
123views Database» more  EDBT 2008»
14 years 8 months ago
XML data integration in SixP2P: a theoretical framework
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
Tadeusz Pankowski
CIKM
2009
Springer
14 years 3 months ago
(Not) yet another matcher
Discovering correspondences between schema elements is a crucial task for data integration. Most schema matching tools are semiautomatic, e.g. an expert must tune some parameters ...
Fabien Duchateau, Remi Coletta, Zohra Bellahsene, ...
WIDM
2005
ACM
14 years 2 months ago
Query translation scheme for heterogeneous XML data sources
In order to formulate a meaningful XML query, a user must have some knowledge of the schema of the XML documents to be queried. The query will succeed only if the schema of the ac...
Cindy X. Chen, George A. Mihaila, Sriram Padmanabh...