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» On the Use of Formal Techniques for Validation
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WWW
2008
ACM
16 years 7 months ago
SPARQL basic graph pattern optimization using selectivity estimation
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
Markus Stocker, Andy Seaborne, Abraham Bernstein, ...
AIED
2005
Springer
16 years 6 days ago
Analyzing Completeness and Correctness of Utterances Using an ATMS
Analyzing coverage of a student’s utterance or essay (completeness) and diagnosing errors (correctness) can be treated as a diagnosis problem and solved using a well-known techni...
Maxim Makatchev, Kurt VanLehn
CHARME
2003
Springer
196views Hardware» more  CHARME 2003»
15 years 12 months ago
Analyzing the Intel Itanium Memory Ordering Rules Using Logic Programming and SAT
We present a non-operational approach to specifying and analyzing shared memory consistency models. The method uses higher order logic to capture a complete set of ordering constra...
Yue Yang, Ganesh Gopalakrishnan, Gary Lindstrom, K...
PCI
2001
Springer
15 years 11 months ago
A Knowledge Based Approach on Educational Metadata Use
One of the most rapidly evolving e-services is e-Learning, that is, the creation of advanced educational resources that are accessible on-line and, potentially, offer numerous adva...
Fotis Kokkoras, Demetrios G. Sampson, Ioannis P. V...
ECCV
1994
Springer
15 years 10 months ago
3-D Stereo Using Photometric Ratios
We present a novel robust methodology for corresponding a dense set of points on an object surface from photometric values, for 3-D stereo computation of depth. We use two stereo p...
Lawrence B. Wolff, Elli Angelopoulou