JCSS
2007
13 years 4 months ago
2007
The financial services industry today produces and consumes huge amounts of data and the processes involved in analysing these data are equally huge especially in terms of their c...
JCSS
2007
13 years 4 months ago
2007
In this paper we present a new approach to model the effect of virtual channel multiplexing in high-speed interconnection networks. Previous studies have used a method proposed by...
JCSS
2007
13 years 4 months ago
2007
Hidden Markov models (HMMs) are often used for biological sequence annotation. Each sequence feature is represented by a collection of states with the same label. In annotating a ...
JCSS
2007
13 years 4 months ago
2007
The relative worst order ratio, a new measure for the quality of on-line algorithms, was recently defined and applied to two bin packing problems. Here, we extend the definition ...
JCSS
2007
13 years 4 months ago
2007
We introduce a combinatorial dimension that characterizes the number of queries needed to exactly (or approximately) learn concept classes in various models. Our general dimension...
JCSS
2007
13 years 4 months ago
2007
We consider the problem of counting the number of lattice vectors of a given length and prove several results regarding its computational complexity. We show that the problem is ...
JCSS
2007
13 years 4 months ago
2007
JCSS
2007
13 years 4 months ago
2007
JCSS
2007
13 years 4 months ago
2007
We show that the elementary theory of the structure of the Solovay degrees of computably enumerable reals is undecidable.
JCSS
2007
13 years 4 months ago
2007
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...