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FOCS
1998
IEEE
15 years 3 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello
SRDS
1997
IEEE
15 years 3 months ago
Software Approach to Hazard Detection Using On-line Analysis of Safety Constraints
Hazard situations in safety-critical systems are typically complex, so there is a need for means to detect complex hazards and react in a timely and meaningful way. This paper add...
Beth A. Schroeder, Karsten Schwan, Sudhir Aggarwal
ECBS
1996
IEEE
93views Hardware» more  ECBS 1996»
15 years 3 months ago
A Methodology for Designing and Dimensioning Critical Complex Computing Systems
It is widely recognized that real-time,fault-tolerant and distributed computing technologies play a key role in the deployment of many current andfuture (civilian or Defense) crit...
Gérard Le Lann
SAFECOMP
1998
Springer
15 years 3 months ago
An Agenda for Specifying Software Components with Complex Data Models
Abstract. We present a method to specify software for a special kind of safetycritical embedded systems, where sensors deliver low-level values that must be abstracted and pre-proc...
Kirsten Winter, Thomas Santen, Maritta Heisel
EMNLP
2010
14 years 9 months ago
Minimum Error Rate Training by Sampling the Translation Lattice
Minimum Error Rate Training is the algorithm for log-linear model parameter training most used in state-of-the-art Statistical Machine Translation systems. In its original formula...
Samidh Chatterjee, Nicola Cancedda