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POPL
2004
ACM
16 years 6 months ago
A logic you can count on
We prove the decidability of the quantifier-free, static fragment of ambient logic, with composition adjunct and iteration, which corresponds to a kind of regular expression langu...
Silvano Dal-Zilio, Denis Lugiez, Charles Meyssonni...
PODS
2008
ACM
123views Database» more  PODS 2008»
16 years 6 months ago
Evaluating rank joins with optimal cost
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
Karl Schnaitter, Neoklis Polyzotis
JACM
2000
81views more  JACM 2000»
15 years 5 months ago
Relational queries over interpreted structures
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
Michael Benedikt, Leonid Libkin
VLDB
1995
ACM
87views Database» more  VLDB 1995»
15 years 9 months ago
Redo Recovery after System Crashes
: This paper defines a framework for explaining redo recovery after a system crash. In this framework, an installation graph explains the order in which operations must be install...
David B. Lomet, Mark R. Tuttle
HEURISTICS
2010
15 years 3 months ago
A shift sequence based approach for nurse scheduling and a new benchmark dataset
This paper investigates an adaptive constructive method for solving nurse rostering problems. The constraints considered in the problems are categorised into three classes: those t...
Peter Brucker, Edmund K. Burke, Timothy Curtois, R...