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MICS
2010
92views more  MICS 2010»
15 years 4 months ago
Specifying Rewrite Strategies for Interactive Exercises
Strategies specify how a wide range of exercises can be solved incrementally, such as bringing a logic proposition to disjunctive normal form, reducing a matrix, or calculating wit...
Bastiaan Heeren, Johan Jeuring, Alex Gerdes
MST
2010
140views more  MST 2010»
15 years 4 months ago
Approximability of Clausal Constraints
We study a family of problems, called Maximum Solution (Max Sol), where the objective is to maximise a linear goal function over the feasible integer assignments to a set of variab...
Peter Jonsson, Gustav Nordh
CORR
2010
Springer
162views Education» more  CORR 2010»
15 years 3 months ago
Cross-Composition: A New Technique for Kernelization Lower Bounds
We introduce a new technique for proving kernelization lower bounds, called cross-composition. A classical problem L cross-composes into a parameterized problem Q if an instance o...
Hans L. Bodlaender, Bart M. P. Jansen, Stefan Krat...
CORR
2011
Springer
259views Education» more  CORR 2011»
15 years 1 months ago
Automatic Optimization for MapReduce Programs
The MapReduce distributed programming framework has become popular, despite evidence that current implementations are inefficient, requiring far more hardware than a traditional r...
Eaman Jahani, Michael J. Cafarella, Christopher R&...
EDBT
2011
ACM
203views Database» more  EDBT 2011»
14 years 9 months ago
QueryViz: helping users understand SQL queries and their patterns
We present QueryViz, a novel visualization tool for SQL queries that reduces the time needed to read and understand existing queries. It targets two principal audiences: (i) users...
Jonathan Danaparamita, Wolfgang Gatterbauer