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Article
Complexity of scheduling of coupled tasks with chains precedence constraints and any constant length of gap
Coupled tasks scheduling was originally introduced for modelling complex radar devices. It is still used for controlling such devices and applied in similar applications. This paper considers a problem of coup...
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Article
Scheduling of coupled tasks with unit processing times
The coupled tasks scheduling problem was originally introduced for modeling complex radar devices. It is still used for controlling such devices and applied in similar applications. This paper considers a prob...
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Article
Open AccessPredictive map** of floristic site conditions across mire habitats: Evaluating data requirements
As conservation of sensitive habitats is a high priority issue in European environmental policy, there is considerable interest in map** and monitoring specific habitats of high conservation value. In this s...
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Article
Approximation algorithm for periodic real-time tasks with workload-dependent running-time functions
This paper addresses the problem of resource allocation for distributed real-time periodic tasks, operating in environments that undergo unpredictable changes and that defy the specification of meaningful wors...
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Article
Open AccessCombining remotely sensed spectral data and digital surface models for fine-scale modelling of mire ecosystems
The detection and evaluation of changes in vegetation patterns is a prerequisite for monitoring programs. The Swiss mire monitoring program aims to assess the changes in mire vegetation in order to examine the...
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Article
The in vitro anti-inflammatory effects of recombinant anti-CD25 immunotoxin on lamina propria T cells of patients with inflammatory bowel disease are not sufficient to cure experimental colitis in mice
Background and aims: In chronic inflammatory bowel disease (IBD) such as Crohn's disease and ulcerative colitis an aberrant mucosal immune regulation is observed accompanied by upregulation of pr...
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Article
Contribution of ICP-IDMS to the certification of antimony implanted in a silicon wafer – comparison with RBS and INAA results
A thin-layer reference material for surface and near-surface analytical methods was produced and certified. The surface density of the implanted Sb layer was determined by Rutherford backscattering spectrometr...
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Article
Multiprocessor task scheduling with resource requirements
One of the most important problems arising in multiprocessor systems is scheduling of tasks on a set of parallel processors. Recently, new models of task processing have been formulated in which certain tasks ...
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Chapter and Conference Paper
Algorithmic Methods for Real-Time Scheduling
Task scheduling is a wide research area whose results gained increasing interest during the last decades. A great variety of different algorithmic methods has been developed. Though these methods are very ofte...
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Chapter and Conference Paper
Elektromyographische Funktion des coloanalen Pouches
Nach Rektumresektion im distalen Drittel ist die Stuhlfrequenz oft stark erhöht. Die Konstruktion des coioanalen J-Pouches führt im Vergleich zur direkten coioanalen Anastomose zur signifikanten Reduktion der ...
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Chapter and Conference Paper
Task scheduling with restricted preemptions
One of the basic problems in time sharing systems and multiprocessing operating systems is to find an optimal schedule for a given set of tasks. In this paper we analyze the complexity of a restricted version ...
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Chapter and Conference Paper
CHARM II An Alternative Approach for Geometric Modeling
An essential issue in engineering applications such as CAD or, more general, CIM is a powerful representation model that allows adequate modeling of objects those systems have to deal with. Well-known methods ...
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Chapter
Multiprocessor Task Scheduling with Single Resource Constraints
An important problem arising in a multiprocessor system context is that of task allocation (scheduling) among a set of processors working in parallel. One of the assumptions commonly imposed on the processor s...
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Chapter and Conference Paper
Kritischer Vergleich von Algorithmen für ein Scheduling-Problem
In this paper we are concerned with algorithms producing schedules for processes which consist of a finite set of tasks and a precedence relation between them. For executing tasks a system of m identical proce...
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Article
Eigenschaften der von linearen Automaten erkennbaren Worte
The paper investigates the set of words accepted by a linear sequential machine M and the algebraic structure of this set. If M is nonsingular a strong relationship exists between this set and the transition grou...
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Chapter and Conference Paper
Das Transitionsmonoid bei der Parallelkompositipn von Endlichen Automaten
Von grundlegender Bedeutung für die algebraische Automatentheorie ist die Realisierung von Automaten durch Kaskadenprodukte. KROHN und EHODES ([4]) haben in diesem Zusammenhang sich ausführlich mit Zerlegungse...