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DEXA
1999
Springer
87views Database» more  DEXA 1999»
14 years 26 days ago
SECONDO/QP: Implementation of a Generic Query Processor
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
Ralf Hartmut Güting, Stefan Dieker, Claudia F...
ESEC
1999
Springer
14 years 26 days ago
FACADE: A Typed Intermediate Language Dedicated to Smart Cards
The use of smart cards to run software modules on demand has become a major business concern for application issuers. Such downloadable executable content requires to be trusted by...
Gilles Grimaud, Jean-Louis Lanet, Jean-Jacques Van...
ICALP
1998
Springer
14 years 24 days ago
Deciding Bisimulation-Like Equivalences with Finite-State Processes
We show that characteristic formulae for nite-state systems up to bisimulationlike equivalences (e.g., strong and weak bisimilarity) can be given in the simple branching-time temp...
Petr Jancar, Antonín Kucera, Richard Mayr
PODS
1994
ACM
138views Database» more  PODS 1994»
14 years 20 days ago
Dyn-FO: A Parallel, Dynamic Complexity Class
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
Sushant Patnaik, Neil Immerman
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 20 days ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker