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» Derived Data Update in Semantic Databases
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WEBDB
2009
Springer
115views Database» more  WEBDB 2009»
14 years 2 months ago
A Machine Learning Approach to Foreign Key Discovery
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
Alexandra Rostin, Oliver Albrecht, Jana Bauckmann,...
IADIS
2003
13 years 9 months ago
Learning Objects: Are They Serving Practitioners Working with VLES?
The purpose of this paper is to present a high-level discussion based on ongoing research with the aim of providing support to educational practitioners based on real shareability...
Miguel Baptista Nunes, Robert Pasley, Maggie McPhe...
EDBT
2010
ACM
164views Database» more  EDBT 2010»
13 years 11 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
JAPLL
2008
121views more  JAPLL 2008»
13 years 7 months ago
Reasoning with prioritized information by iterative aggregation of distance functions
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
Ofer Arieli
SIGMOD
1996
ACM
99views Database» more  SIGMOD 1996»
13 years 11 months ago
A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
Leonid Libkin, Rona Machlin, Limsoon Wong