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SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 9 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
SMALLTALK
2007
Springer
14 years 3 months ago
Transactional memory for smalltalk
Concurrency control in Smalltalk is based on locks and is therefore notoriously difficult to use. Even though some implementations provide high-level constructs, these add complexi...
Lukas Renggli, Oscar Nierstrasz
HICSS
2006
IEEE
98views Biometrics» more  HICSS 2006»
14 years 3 months ago
Electricity Markets: How Many, Where and When?
Most markets compromise the economist’s ideal of matching the marginal benefits to consumers with the marginal cost of supply for incremental purchases because individual buyers...
Nodir Adilov, Richard E. Schuler
TACAS
2005
Springer
108views Algorithms» more  TACAS 2005»
14 years 2 months ago
On Some Transformation Invariants Under Retiming and Resynthesis
Transformations using retiming and resynthesis operations are the most important and practical (if not the only) techniques used in optimizing synchronous hardware systems. Althoug...
Jie-Hong Roland Jiang
IMR
2004
Springer
14 years 2 months ago
Efficient Spacetime Meshing with Nonlocal Cone Constraints
Spacetime Discontinuous Galerkin (DG) methods are used to solve hyperbolic PDEs describing wavelike physical phenomena. When the PDEs are nonlinear, the speed of propagation of th...
Shripad Thite