1,804 research outputs found
Attitudinal and behavioural determinants influencing decision makers when adopting integration technologies in local government
Over the last few years, the advent of innovative
or revolutionary integration technologies has
influenced pivotal decisions within top management
to strategically transform Local Government
Authorities (LGAs). These technologies may
represent a huge cost for adopting LGAs, but may
also offer the chance to achieve competitive
advantage through superior service delivery. With
the emergence of electronic Government (e-
Government), LGAs are turning to integration
technologies to fully automate and e-enable their
business processes and integrate their IT
infrastructures. While prior research on the adoption
of integration technologies in the private and public
domain has considered several determinants (e.g.
benefits, barriers, costs), little attention has been
given to investigate the attitudinal and behavioural
determinants influencing top management’s decision
making process for the adoption of integration
technologies in LGAs. Notwithstanding, the
implications of this research have yet to be assessed,
leaving scope for timeliness and novel research.
Therefore, it is of high importance to investigate this
area within LGAs and contribute to the area of
strategic decision making by examining attitudinal
and behavioural determinants of top management in
relation to integration technologies adoption
Fuzzy Adaptive Tuning of a Particle Swarm Optimization Algorithm for Variable-Strength Combinatorial Test Suite Generation
Combinatorial interaction testing is an important software testing technique
that has seen lots of recent interest. It can reduce the number of test cases
needed by considering interactions between combinations of input parameters.
Empirical evidence shows that it effectively detects faults, in particular, for
highly configurable software systems. In real-world software testing, the input
variables may vary in how strongly they interact, variable strength
combinatorial interaction testing (VS-CIT) can exploit this for higher
effectiveness. The generation of variable strength test suites is a
non-deterministic polynomial-time (NP) hard computational problem
\cite{BestounKamalFuzzy2017}. Research has shown that stochastic
population-based algorithms such as particle swarm optimization (PSO) can be
efficient compared to alternatives for VS-CIT problems. Nevertheless, they
require detailed control for the exploitation and exploration trade-off to
avoid premature convergence (i.e. being trapped in local optima) as well as to
enhance the solution diversity. Here, we present a new variant of PSO based on
Mamdani fuzzy inference system
\cite{Camastra2015,TSAKIRIDIS2017257,KHOSRAVANIAN2016280}, to permit adaptive
selection of its global and local search operations. We detail the design of
this combined algorithm and evaluate it through experiments on multiple
synthetic and benchmark problems. We conclude that fuzzy adaptive selection of
global and local search operations is, at least, feasible as it performs only
second-best to a discrete variant of PSO, called DPSO. Concerning obtaining the
best mean test suite size, the fuzzy adaptation even outperforms DPSO
occasionally. We discuss the reasons behind this performance and outline
relevant areas of future work.Comment: 21 page
Observation of eta_b(2S) in Upsilon(2S) -> gamma eta_b(2S), eta_b(2S) -> hadrons, and Confirmation of eta_b(1S)
The data for 9.3 million Upsilon(2S) and 20.9 million Upsilon(1S) taken with
the CLEO III detector has been used to study the radiative population of states
identified by their decay into twenty six different exclusive hadronic final
states. In the Upsilon(2S) decays an enhancement is observed at a ~5 sigma
level at a mass of 9974.6+-2.3(stat)+-2.1(syst) MeV. It is attributed to
eta_b(2S), and corresponds to the Upsilon(2S) hyperfine splitting of
48.7+-2.3(stat)+-2.1(syst) MeV. In the Upsilon(1S) decays, the identification
of eta_b(1S) is confirmed at a ~3 sigma level with M(eta_b(1S)) in agreement
with its known value.Comment: 5 pages, 2 figure
Penentuan Kadar Cu, Fe, Zn Dalam Tanah, Tanaman Teh, Daun Teh Dan Minuman Teh
PENENTUAN KADAR Cu, Fe, Zn DALAM TANAH, TANAMAN TEH, DAUN TEH DAN MINUMAN TEH. Salah satupenyebab kerusakan kualitas tanah adalah terjadinya pencemaran Cu Fe danZn sehingga langsung maupun tidaklangsung dapat menimbulkan pencemaran tanaman yang tumbuh diatasnya antara lain tanaman teh yang selama inidigunakan masyarakat secara luas sebagai bahan pembuatan minuman teh. Pengambilan sampel tanah, akartanaman teh, daun teh, dan minuman teh dilakukan pada bulan Juni 2005 di kecamatan Keparakan, Temanggung,Jawa Tengah. Tujuan dari penelitian ini adalah untuk mengetahui kadar Cu Fe dan Zn di dalam tanah , akar tanamanteh, daun teh serta minuman teh. Penelitian dilakukan dengan cara sampel didigesti dengan asam nitrat pekat sampaidiperoleh larutan yang jernih kemudian diencerkan dengan akuabides sampai 10 ml. Penentuan kadar unsur Cu, Fe,dan Zn menggunakan alat AAS. Diperoleh hasil kadar rata rata Cu Fe dan Zn di dalamtanah dalam 0,155 ± 0,005ppm, 127,16 ± 2,65 ppm, dan 0,68 ± 0,02 ppm, di dalam tanah luar 0,355 ± 0,025 ppm, 360,59 ± 13,17 ppm dan 0,78± 0.01 ppm, di dalam akar tanaman teh 0,241 ± 0,098 ppm, 13,16 ± 1,34 ppm dan 2,64 ± 0,06 ppm, di dalam daun teh0,211 ± 0,013 ppm, 3,35 ± 0,886 ppm, dan 0,795 ± 0,016 ppm serta di dalam minuman teh 0,142 ± 0,086 ppm, 6,11 ±0,35 ppm dan 0,66 ± 0,02 ppm
A new methodology called dice game optimizer for capacitor placement in distribution systems
Purpose. Shunt capacitors are installed in power system for compensating reactive power. Therefore, feeder capacity releases, voltage profile improves and power loss reduces. However, determination optimal location and size of capacitors in distributionsystems is a complex optimization problem. In order to determine the optimum size and location of the capacitor, an objective function which is generally defined based on capacitor installation costs and power losses should be minimized According to operational limitations. This paper offers a newly developed metaheuristic technique, named dice game optimizerto determine optimal size and location of capacitors in a distribution network. Dice game optimizer is a game based optimization technique that is based on the rules of the dice game.Цель. Шунтирующие конденсаторы в энергосистеме устанавливаются для компенсации реактивной мощности. Следовательно, снижается емкость фидера, улучшается профиль напряжения и снижаются потери мощности. Однако определение оптимального местоположения и размера конденсаторов в системах распределения является сложной задачей оптимизации. Чтобы определить оптимальный размер и расположение конденсатора, целевую функцию, которая обычно определяется на основе затрат на установку конденсатора и потерь мощности, следует минимизировать в соответствии с эксплуатационными ограничениями. Данная статья предлагает недавно разработанный метаэвристический метод, называемый оптимизатором игры в кости, для определения оптимального размера и расположения конденсаторов в распределительной сети. Оптимизатор игры в кости – это игровой метод оптимизации, основанный на правилах игры в кости
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