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IANDC
1998
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13 years 5 months ago
Positive Versions of Polynomial Time
We show that restricting a number of characterizations of the complexity class P to be positive (in natural ways) results in the same class of (monotone) problems which we denote ...
Clemens Lautemann, Thomas Schwentick, Iain A. Stew...
POS
1998
Springer
13 years 10 months ago
Lumberjack: A Log-Structured Persistent Object Store
Lumberjack is a log-structured persistent object store intended for use with conventional operating systems such as Unix. The design draws together facets of previous work, in par...
David Hulse, Alan Dearle
POS
1998
Springer
13 years 10 months ago
Porting a Distributed System to PJama: Orthogonal Persistence for Java?
This paper describes the experience of porting a 25,000 line distributed Java [GJS97] program to version 0.3.5.1 of the orthogonally persistent programming environment PJama. The ...
Huw Evans, Susan Spence
POS
1998
Springer
13 years 10 months ago
The Transactional Object Cache: A Foundation for High Performance Persistent System Construction
This paper argues that caching, atomicity and layering are fundamental to persistent systems, and that the transactional object cache architecture, as an embodiment of these conce...
Stephen Blackburn, Robin Stanton
POS
1998
Springer
13 years 10 months ago
Java Finalize Method, Orthogonal Persistence and Transactions
Java is a popular, object oriented language that is runtime type safe. As such, it has been seen as an attractive basis for the implementation of orthogonally persistent systems b...
John N. Zigman, Stephen Blackburn