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Technischer Report
Automatische Dienstvermittlung in dienstorientierten Architekturen
(2007-07-02)
Die Technologie dienstorientierter Architekturen (Service-oriented Architectures, kurz SOA) weckt große Visionen auf Seiten der Industrie wie auch der Forschung. Sie hat sich als derzeit
ideale Lösung für Umgebungen, in denen sich die Anforderungen an die IT-Bedürfnisse rapide ändern, erwiesen. Heutige IT-Systeme müssen Managementaufgaben wie Softwareinstallation, -anpassung oder -austausch erlauben, ohne dabei den laufenden Betrieb wesentlich zu stören. Die dafür nötige Flexibilität bieten dienstorientierte ...
Technischer Report
The Degree of Word-Expansion of Lexicalized RRWW-Automata
(2007-11-26)
Restarting automata can be seen as analytical variants of classical automata as well as of regulated rewriting systems. We study a measure for the degree of nondeterminism of (context-free) languages in terms of deterministic restarting automata that are (strongly) lexicalized. This measure is based on the number of auxiliary symbols (categories) used for recognizing a language as the projection of its characteristic language onto its input alphabet. This type of recognition is typical for analysis by reduction, a ...
Technischer Report
Observations on the Publicity and Usage of Parallel Programming Systems and Languages: A Survey Approach
(2007-05-08)
In this publication, we report on an online survey that was carried out among parallel programmers. More than 250 people worldwide have submitted answers to our questions, and their responses are analyzed here. Although not statistically sound, the data we provide give useful insights about which parallel programming systems and languages are known and in actual use. For instance, the collected data indicate that for our survey group MPI and (to a lesser extent) C are the most widely used parallel programming system ...
Working paper
Die Kehrseite der Entwicklungsmünze
(2007-04-20)
Working paper
Schamanisches Playbacktheater
(2007-05-08)