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JUCS
2002
81views more  JUCS 2002»
13 years 11 months ago
Rationally Additive Semirings
Abstract: We define rationally additive semirings that are a generalization of ()complete and (-)continuous semirings. We prove that every rationally additive semiring is an iterat...
Zoltán Ésik, Werner Kuich
JUCS
2002
125views more  JUCS 2002»
13 years 11 months ago
Mental Models to Represent Dynamics - Using the Example "factorial"
: To use hypertext/hypermedia elements in teaching at universities an author not only needs knowledge of the technological possibilities. In addition he/she has to renew a here so ...
Gisbert Dittrich
JUCS
2002
106views more  JUCS 2002»
13 years 11 months ago
Additive Distances and Quasi-Distances Between Words
: We study additive distances and quasi-distances between words. We show that every additive distance is finite. We then prove that every additive quasi-distance is regularity-pres...
Cristian Calude, Kai Salomaa, Sheng Yu
JUCS
2002
89views more  JUCS 2002»
13 years 11 months ago
An Architecture for a Three-Tier Path-Finder
Mike Barley, Hans W. Guesgen, Gareth Karl
JUCS
2002
79views more  JUCS 2002»
13 years 11 months ago
Some Notes on Fine Computability
: A metric defined by Fine induces a topology on the unit interval which is strictly stronger than the ordinary Euclidean topology and which has some interesting applications in Wa...
Vasco Brattka
JUCS
2002
231views more  JUCS 2002»
13 years 11 months ago
Efficient Content-Based and Metadata Retrieval in Image Database
: Managing image data in a database system using metadata has been practiced since the last two decades. However, describing an image fully and adequately with metadata is practica...
Solomon Atnafu, Richard Chbeir, Lionel Brunie
JUCS
2002
81views more  JUCS 2002»
13 years 11 months ago
Membrane Computing: The Power of (Rule) Creation
: We consider a uniform way of treating objects and rules in P systems: we start with multisets of rules, which are consumed when they are applied, but the application of a rule ma...
Fernando Arroyo, Angel V. Baranda, Juan Castellano...
JUCS
2002
146views more  JUCS 2002»
13 years 11 months ago
A Framework for Semantics of UML Sequence Diagrams in PVS
: This paper presents a framework for representing formal semantics of a subset of the Unified Modeling Language (UML) notation in a higher-order logic, more specifically semantics...
Demissie B. Aredo
JUCS
2002
113views more  JUCS 2002»
13 years 11 months ago
The Origins and the Development of the ASM Method for High Level System Design and Analysis
: The research belonging to the Abstract State Machines approach to system design and analysis is surveyed and documented in an annotated ASM bibliography. The survey covers the pe...
Egon Börger
JUCS
2002
103views more  JUCS 2002»
13 years 11 months ago
Knowledge Nodes: the Building Blocks of a Distributed Approach to Knowledge
Abstract: In this paper, we criticise the objectivistic approach that underlies most current systems for Knowledge Management. We show that such an approach is incompatible with th...
Matteo Bonifacio, Paolo Bouquet, Roberta Cuel