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» Schema merging and mapping creation for relational sources
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ICDE
2007
IEEE
153views Database» more  ICDE 2007»
14 years 1 months ago
An Indexing Structure for Automatic Schema Matching
Querying semantically related data sources depends on the ability to map between their schemas. Unfortunately, in most cases matching between schema is still largely performed man...
Fabien Duchateau, Zohra Bellahsene, Mark Roantree,...
CIKM
2007
Springer
14 years 1 months ago
Reusing relational sources for semantic information access
The rapid growth of available data arises the need for more sophisticated techniques for semantic access to information. It has been proved that using conceptual model or ontology...
Lina Lubyte
LREC
2010
169views Education» more  LREC 2010»
13 years 9 months ago
Annotating Attribution Relations: Towards an Italian Discourse Treebank
In this paper we describe the development of a schema for the annotation of attribution relations and present the first findings and some relevant issues concerning this phenomeno...
Silvia Pareti, Irina Prodanof
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 7 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 8 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...