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1
Content available remote Middleware for Managing QoS Adaptation of SOA Applications
100%
Psiuk J. , Zielinski K.
Computational Methods in Science and Technology
|
2015
|
tom Vol. 21, No. 1
11--19
EN
The paper describes an improvement over our previous work: the concept of an Adaptive SOA Solution Stack (based on the IBM S3 model) which applies an AS3 element pattern to S3 layers where the need for adaptation arises. The presented improvement, called the adaptation strategy management process, represents a solution that enables an Adaptation Architect to model Quality of Service (QoS) adaptation in a declarative manner, automatically deploy it into a running system and then monitor its execution. Its main objective is to allow the Adaptation Architects to view the adaptation process on a higher level of abstraction and employ adaptivity mechanisms in working applications in an easy way. This is accomplished by incorporating the adaptive application metamodel developed in the DiVA EU project and adjusting it to the SOA context. This paper explains the challenges involved in adaptation strategy management and proposes extensions to the DiVA metamodel. Subsequently, it presents a method by which the Adaptive Manager (a component of the AS3 adaptation loop responsible for making decisions about adaptation) can execute adaptation strategies in accordance with the adaptation model. The presented approach is evaluated in a case study, creating an adaptation strategy and monitoring its impact on an application prototype.
2
Adaptation of a three-year old child to preschool environment
88%
Brzezińska A. I. , Czub M. , Ożadowicz N.
Edukacja
|
2013
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nr Edukacja. An interdisciplinary approach 1
25–40
EN
The article presents the results of research aimed at verifying the hypothesis relating to the links between selected subjective and contextual factors and adaptation strategies of a three-year-old child to preschool environment. The research was conducted on a group of 40 children, who began preschool education in 2012. Children were tested with The Denver Developmental Screening Test (the Denver test) and with the Adaptation Strategy Questionnaire (ASQ) developed for the purposes of the research. The results indicate that there exists three strategies which simultaneously constitute the criteria for the level of adaptation of a child to preschool environment: positive (creative adaptation) and negative (anxiety and indifference). Significant statistical correlations between age, psycho-motor development, level of mother’s education and the child’s adaptation strategy have been established. Children of mothers who attained tertiary education, older children, children who achieved a higher level of psycho-motor development more often manifested a positive adaptation strategy. It was, however, revealed that only 15 out of 40 children subject to the examination applied the strategy of creative adaptation. The result is alarming and requires further research in order to identify the factors determining it.
3
Content available Stormwater runoff management in Sandomierz, as an example of medium-sized European city, using SCALGO Live
75%
Warzecha B. , Dudek-Klimiuk J.
Journal of Water and Land Development
|
2023
|
tom no. 59
267--274
EN
European cities face urban, demographic and climate challenges. According to forecasts, annual extreme phenomena will intensify - including torrential rains. Comprehensive solutions (also those based on nature), climate adaptation strategies, runoff management, incorporation of new design (e.g. sponge cities) are urgently required in order to strengthen urban resilience and to minimise the effects of extreme weather events (droughts, floods or heat islands). The aim of the research was to develop a methodology for activating selected elements of blue-green infrastructure within areas of natural and cultural protection as an adaptive tool of urban planning. Modelling of infiltration possibilities, programmed with SCALGO Live Poland software, was performed as a case study based on a research city - Sandomierz (in Poland). Selected parameters (stormwater surface runoff, chosen runoff areas, land cover) are strongly correlated with urban indicators relating to the vegetation coverage (biologically active area - BAA). Results pointed out urban units, which BAA is lower than 25% (e.g. Old Town Square, courtyards of tenement houses). Modelling was carried out for these units by concentrating on the undeveloped area for which the BAA was increased. The enhancement assumed values in the range of 41-45%. In analysed cases, an improvement (decrease) in runoff volume was obtained, even by 8.69%. Simultaneously, infiltration increased by 19.61%, calculated over entire runoff area. Implementation of solutions based on these results, in the form of appropriate planning provisions, can raise the quality of environment (e.g. improving water infiltration) and life (e.g. more effective air cooling on hot nights).
4
Content available Determinants of choice of climate change adaptation strategies among rural farming households in Lokoja Local Government Area, Kogi State, Nigeria
75%
Opaluwa H. I. , Opeyemi G. , Eleojo M. J.
Journal of Agribusiness and Rural Development
|
2020
|
tom 3[57]
5
Content available The Impact of Climate Changes on Environmental Conservation in Coastal Tourism and Beach Resort
75%
Alhemimah A. , Agina M. F. , Alotaibi S. , Semlali Y. , Aliane N. , Abdou M. Y. K. , Hassan T. H. , Ahmed M.
Rocznik Ochrona Środowiska
|
2024
|
tom Tom 26
284--295
EN
Coastal tourism and beach resorts are considered the most vulnerable tourism activities to climate change. This paper seeks to achieve two objectives: first, to examine climate change's impact on the value of tourists' experience in coastal tourism and beach resorts; Secondly, to identify the adaptation strategies applied to coastal tourism and beach resort hotels to reduce the negative effects of climate changes. A quantitative approach was adopted in this research to test the study hypotheses. Hurghada was selected as a case study. A convenience sample technique was chosen in this research to collect data from visitors of coastal tourism and beach resort hotel guests. A total of 250 questionnaires were distributed, and only 175 were returned and valid for analysis with a response rate of 70%. The findings showed that coastal tourism and beach resort hotels on the Red Sea are highly vulnerable to potential climate change risks such as floods, rising sea levels and rising temperatures. Also, the findings showed that climate changes negatively affect coastal tourism and beach resort hotels, affecting the value of the tourist experience. In addition, the results indicated that coastal tourism and beach resort hotels on the Red Sea coast in Hurghada are exposed to significant financial losses due to the threats of climate change. Beach resort hotels must be able to adapt to climate changes and mitigate their effects.
6
Why is there still no human vaccine against Lyme borreliosis?
75%
Skotarczak B.
Folia Biologica
|
2015
|
tom 63
|
nr 3
7
Content available Factors influencing farmers’ awareness and choice of adaptation strategies to climate change by smallholder crop farmers
75%
Mdoda L.
Journal of Agribusiness and Rural Development
|
2020
|
tom 4[58]
8
Adaptacja dziecka trzyletniego do środowiska przedszkolnego
63%
Brzezińska A. I. , Czub M. , Ożadowicz N.
Edukacja
|
2012
|
nr 4(120)
5-22
PL
Artykuł prezentuje wyniki badania, którego celem było zweryfikowanie hipotez dotyczących związków między wybranymi czynnikami podmiotowymi i kontekstowymi a strategią adaptacji dziecka trzyletniego do przedszkola. W badaniu wzięło udział 40 dzieci, które we wrześniu 2010 r. rozpoczęły naukę w przedszkolu. Zostały one zbadane Orientacyjnym testem rozwoju psychoruchowego (test Denver) oraz Kwestionariuszem strategii adaptacji (KSA) stworzonym na potrzeby tego badania. Wyniki wskazują na występowanie trzech strategii, które są jednocześnie kryteriami poziomu przystosowania dziecka do środowiska przedszkolnego: pozytywnej (twórczej adaptacji) oraz negatywnych (lękowej i indyferentnej). Zaobserwowano istotne statystycznie związki pomiędzy wiekiem, rozwojem psychoruchowym dziecka i wykształceniem matki a strategią adaptacji dziecka. Dzieci matek z wykształceniem wyższym, starsze, o wyższym poziomie rozwoju psychoruchowego częściej prezentowały pozytywną strategię adaptacji. Stwierdzono jednak, iż jedynie 15 spośród 40 badanych dzieci stosowało strategię twórczej adaptacji. Jest to wynik niepokojący, wymagający prowadzenia dalszych badań w celu rozpoznania czynników determinujących taki stan rzeczy.
EN
The article presents the results of research aimed at verifying the hypothesis relating to the links between selected subjective and contextual factors and adaptation strategies of a three-year-old child to preschool environment. The research was conducted on a group of 40 children, who began preschool education in 2012. Children were tested with The Denver Developmental Screening Test (the Denver test) and with the Adaptation Strategy Questionnaire (ASQ) developed for the purposes of the research. The results indicate that there exists three strategies which simultaneously constitute the criteria for the level of adaptation of a child to preschool environment: positive (creative adaptation) and negative (anxiety and indifference). Significant statistical correlations between age, psycho-motor development, level of mother’s education and the child’s adaptation strategy have been established. Children of mothers who attained tertiary education, older children, children who achieved a higher level of psycho-motor development more often manifested a positive adaptation strategy. It was, however, revealed that only 15 out of 40 children subject to the examination applied the strategy of creative adaptation. The result is alarming and requires further research in order to identify the factors determining it.
9
Content available remote Seed mass increase along altitude within four Saussurea (Asteraceae) species in Tibetian Plateau
63%
Wu G. , Tian F. , Ren G. , Liu Z.
Polish Journal of Ecology
|
2011
|
tom Vol. 59, nr 3
617-622
EN
Seed mass is a critical life-history character in seed evolutionary ecology. Plant species can present responses in seed mass to environment stresses. We tested the hypotheses that seed mass was positively correlated with altitude within species. We selected four congeneric Saussurea species as study objects, and collected their seeds along altitudinal gradients (2100.4200 m a.s.l.) in the alpine area of the Qinghai-Tibetan Plateau, China. Results showed that mean seed mass of the four species were significantly affected by altitude (P <0.001). There was a general trend of an increase in seed weight with altitude among the populations of the four species. In addition, mean seed mass of four species were not significantly different, but all presented a bigger coefficients of variation within species along altitude gradients. Our results indicate selection pressure within species, with larger seeds occurring at higher altitudes.
10
Preliminary assessment of coastal erosion and local community adaptation in Sayung coastal area, central Java - Indonesia
51%
Marfai M. A.
Quaestiones Geographicae
|
2012
|
tom 31
|
nr 3
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