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AIEDU
2005
185views more  AIEDU 2005»
14 years 9 months ago
A Bayesian Student Model without Hidden Nodes and its Comparison with Item Response Theory
The Bayesian framework offers a number of techniques for inferring an individual's knowledge state from evidence of mastery of concepts or skills. A typical application where ...
Michel C. Desmarais, Xiaoming Pu
NDSS
2007
IEEE
15 years 4 months ago
Attribute-Based Publishing with Hidden Credentials and Hidden Policies
With Hidden Credentials Alice can send policyencrypted data to Bob in such a way that he can decrypt the data only with the right combination of credentials. Alice gains no knowle...
Apu Kapadia, Patrick P. Tsang, Sean W. Smith
SAC
2010
ACM
15 years 4 months ago
Web-based graphical querying of databases through an ontology: the Wonder system
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
Diego Calvanese, C. Maria Keet, Werner Nutt, Maria...
KR
2004
Springer
15 years 3 months ago
On Eliminating Disjunctions in Stable Logic Programming
Disjunction is generally considered to add expressive power to logic programs under the stable model semantics, which have become a popular programming paradigm for knowledge repr...
Thomas Eiter, Michael Fink, Hans Tompits, Stefan W...
STEP
2005
IEEE
15 years 3 months ago
Tool Support for Continuous Quality Assessment
Maintenance costs make up the bulk of the total life cycle costs of a software system. Besides organizational issues such as knowledge management and turnover, the longterm mainte...
Florian Deissenboeck, Markus Pizka, Tilman Seifert