Spelling suggestions: "subject:"[een] META-ADAPTATION"" "subject:"[enn] META-ADAPTATION""
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Meta-Adaptation Strategies for Adaptation in Cyber-Physical Systems / Meta-Adaptation Strategies for Adaptation in Cyber-Physical SystemsHuječek, Adam January 2016 (has links)
When designing a complex Cyber-Physical System it is often impossible to foresee all potential situations in advance and prepare corresponding tactics to adapt to the changes in dynamic environment. This greatly hurts the system's resilience and dependability. All kinds of trouble can rise from situations that lie beyond the expected "envelope of adaptability" from malfunction of one component to failure of the whole system. Self-adaptation approaches are typically limited in choosing a tactic from a fixed set of tactics. Meta-adaptation strategies extend the limits of system's inherent adaptation by creating new tactics at runtime. This thesis elaborates and provides implementations of selected meta-adaptation strategies for IRM-SA in jDEECo as well as their evaluation in a scenario based on a firefighter coordination case study. Powered by TCPDF (www.tcpdf.org)
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[en] AN ARCHITECTURE FOR ADAPTATION AND META-ADAPTATION IN HYPERMEDIA SYSTEMS / [pt] ARQUITETURA PARA ADAPTAÇÃO E META-ADAPTAÇÃO DE SISTEMAS HIPERMÍDIAPATRICIA SEEFELDER DE ASSIS 24 March 2006 (has links)
[pt] Este trabalho define uma arquitetura para adaptação e meta-
adaptação de
sistemas hipermídia, utilizando modelos propostos para a
Web Semântica. As
aplicações adaptativas são capazes de alterar algumas de
suas características, tais
como modelo de navegação ou de apresentação, em função de
um contexto de
adaptação. Este contexto pode incluir informações sobre o
usuário, tais como
preferências, navegações prévias, etc., e sobre o ambiente
de execução, tais como
dispositivo de acesso, banda passante, etc. As aplicações
meta-adaptativas são
capazes de alterar tanto os modelos da aplicação quanto o
próprio processo de
adaptação, também em função do contexto. A partir do
modelo SHDM, são
definidas extensões para representar o contexto de
adaptação, as regras de
adaptação e a arquitetura de execução deste tipo de
aplicação. Através de
comparações, é mostrado como os principais modelos
descritos na literatura são
casos particulares do modelo e da arquitetura propostos
nesta dissertação. / [en] This dissertation defines an architecture for adaptation
and metaadaptation
in hypermedia systems, using models proposed for the
Semantic Web.
Adaptive applications are able to alter some of their
characteristics, such as its
navigation model or presentation model, according to the
adaptation context. This
context may include information about the user, such as
her preferences,
navigation history, etc., and about the execution
environment, such as access
device, bandwidth, etc. Meta-adaptive applications are
able to alter both its
models and its adaptation process according to the
adaptation context. The
proposal extends the SHDM model with a context model,
adaptation rules and
execution architecture. It is shown, by comparison, that
the major adaptation
models described in the literature can be seen as
particular cases of the proposed
model and architecture.
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