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DEBU
2008
187views more  DEBU 2008»
14 years 10 months ago
Social SQL: Tools for Exploring Social Databases
Social media are constructed from the collective contributions of potentially millions of individuals and present an increasingly common and large scale form of database. As these...
Marc A. Smith, Vladimir Barash
DISOPT
2008
81views more  DISOPT 2008»
14 years 10 months ago
Intermediate integer programming representations using value disjunctions
We introduce a general technique to create an extended formulation of a mixed-integer program. We classify the integer variables into blocks, each of which generates a finite set ...
Matthias Köppe, Quentin Louveaux, Robert Weis...
ENTCS
2008
120views more  ENTCS 2008»
14 years 10 months ago
Reasoning about B+ Trees with Operational Semantics and Separation Logic
The B+ tree is an ordered tree structure with a fringe list. It is the most widely used data structure for data organisation and searching in database systems specifically, and, p...
Alan P. Sexton, Hayo Thielecke
ERCIM
2008
130views more  ERCIM 2008»
14 years 10 months ago
Mediated Collaborative Learning
Information and Communication Technologies facilitate the emergence of new contexts and practices of learning that educational institutions have to adapt to their pedagogical disc...
Kostas Pentikousis, Carmen Martinez-Carrillo
FSS
2008
110views more  FSS 2008»
14 years 10 months ago
Learning valued preference structures for solving classification problems
This paper introduces a new approach to classification which combines pairwise decomposition techniques with ideas and tools from fuzzy preference modeling. More specifically, our...
Eyke Hüllermeier, Klaus Brinker