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» Data Exchange: Semantics and Query Answering
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CORR
2011
Springer
185views Education» more  CORR 2011»
13 years 4 months ago
Sound and Complete Query Answering in Intensional P2P Data Integration
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
Zoran Majkic
KES
2007
Springer
14 years 3 months ago
Inductive Concept Retrieval and Query Answering with Semantic Knowledge Bases Through Kernel Methods
This work deals with the application of kernel methods to structured relational settings such as semantic knowledge bases expressed in Description Logics. Our method integrates a n...
Nicola Fanizzi, Claudia d'Amato
PODS
1999
ACM
160views Database» more  PODS 1999»
14 years 2 months ago
Queries with Incomplete Answers over Semistructured Data
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...
Yaron Kanza, Werner Nutt, Yehoshua Sagiv
IJCAI
2003
13 years 11 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...
ADC
2009
Springer
178views Database» more  ADC 2009»
14 years 4 months ago
CSC: Supporting Queries on Compressed Cached XML
Whenever a client frequently has to retrieve, to query and to locally transform large parts of a huge XML document that is stored on a remote web information server, data exchange...
Stefan Böttcher, Rita Hartel