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2009
15 years 4 months ago
On Explicit Provenance Management in RDF/S Graphs
The notion of RDF Named Graphs has been proposed in order to assign provenance information to data described using RDF triples. In this paper, we argue that named graphs alone can...
Panagiotis Pediaditis, Giorgos Flouris, Irini Fund...
DEBU
2010
134views more  DEBU 2010»
15 years 4 months ago
Causality in Databases
Provenance is often used to validate data, by verifying its origin and explaining its derivation. When searching for "causes" of tuples in the query results or in genera...
Alexandra Meliou, Wolfgang Gatterbauer, Joseph Y. ...
CIKM
2010
Springer
15 years 2 months ago
Modeling betweenness for question answering
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...
Brandeis Marshall
CORR
2010
Springer
100views Education» more  CORR 2010»
15 years 2 months ago
Discovering Knowledge from Multi-modal Lecture Recordings
Educational media mining is the process of converting raw media data from educational systems to useful information that can be used to design learning systems, answer research qu...
Kannan Rajkumar, Christian Guetl
IJIIDS
2010
136views more  IJIIDS 2010»
15 years 1 months ago
Kleisli category and database mappings
Abstract. This paper presents the semantics of database mappings in the relational database (DB) category, based on the power-view monad T and monadic algebras. The semantics can b...
Zoran Majkic, Bhanu Prasad
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