Sciweavers

3239 search results - page 617 / 648
» A Logical Process Calculus
Sort
View
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 3 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...
PLDI
2010
ACM
16 years 1 months ago
Ur: Statically-Typed Metaprogramming with Type-Level Record Computation
Dependent types provide a strong foundation for specifying and verifying rich properties of programs through type-checking. The earliest implementations combined dependency, which...
Adam Chlipala
POPL
2010
ACM
16 years 1 months ago
Continuity Analysis of Programs
We present an analysis to automatically determine if a program represents a continuous function, or equivalently, if infinitesimal changes to its inputs can only cause infinitesim...
Swarat Chaudhuri, Sumit Gulwani, Roberto Lublinerm...
ICDT
2010
ACM
219views Database» more  ICDT 2010»
16 years 1 months ago
Aggregate Queries for Discrete and Continuous Probabilistic XML
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
Serge Abiteboul, T.-H Hubert Chan, Evgeny Kharlamo...
EUROSYS
2009
ACM
16 years 27 days ago
xCalls: safe I/O in memory transactions
Memory transactions, similar to database transactions, allow a programmer to focus on the logic of their program and let the system ensure that transactions are atomic and isolate...
Haris Volos, Andres Jaan Tack, Neelam Goyal, Micha...