Temat: Web system - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Web server performance and availability model for simulation
Autorzy:: Walkowiak, T.
Powiązania:: https://bibliotekanauki.pl/articles/2069132.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: performance
availability
simulation
web system
Opis:: The paper presents an approach to modelling and simulation of web systems. The systems are being modelled from the point of view of services realized by them. The formal model of a system, accompanied with a model of a request realization is presented. The main aspect of the paper is a simulation model of client-server interactions that adequately describes the relationship between the server response time, its availability and resource utilization. The model was constructed based on the the results of multiple experiments presented in a paper. Moreover, it was implemented in the simulation tool and its accuracy verified against testbed web servers. Apache and IIS servers were analysed.
Źródło:: Journal of Polish Safety and Reliability Association; 2012, 3, 2; 189--196
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Simulation approach to Web system dependability analysis
Autorzy:: Walkowiak, T.
Powiązania:: https://bibliotekanauki.pl/articles/2069527.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: dependability
performance
availability
reliability
failures
Web system
simulation
Opis:: The paper is concerned with the analysis of under-keel clearance of ships based on real data from Szczecin Maritime Office. Using probabilistic method for UKC assessment give it possibility to create the distribution of under-keel clearance in several ship’s passages and in further step to determine the probability of ship’s grounding accident during the port approach. The results of using this type of model could be used in risk assessment of ships entering to the ports, therefore it is possible to used probabilistic model in Maritime Office employees’ everyday decision making practice. Research results present verification of probabilistic model, based on data from Vessel Traffic Service database and probability of touching the bottom during ships’ passages on Swinoujscie – Szczecin waterway. Moreover there are presented examples of these situations when entering to the port for analysed ships is not allowed according to the model.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 1; 197--204
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A repair time model of a web based system including administrator working hours
Autorzy:: Walkowiak, T.
Powiązania:: https://bibliotekanauki.pl/articles/2069173.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
web based system
repair time
working hours
Opis:: The paper presents a web based system reliability analysis. We propose to model different types of faults (hardware one, software and security incidents) taking consideration only the effect of the failure, not the source of the fault. It is assumed that failure events are independent and the time to failure is exponential. Whereas the time to repair is not exponential since repair actions are taken only when administrators are at work. We assume that administrators are not working 24/7. The paper presents an algorithmic model of the repair time including administrator working hours. The model is used to estimate reliability parameters (mean time, standard deviation and 90th percentile of yearly down time) by a use of Monte-Carlo simulation. The numerical results are compared with results from the analytical model (Markov one) that assumes exponential distribution of all repair times. Results for two web exemplar web systems (with reliability model consisting of two and five states) show the range of error caused by the exponential distribution assumption.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 1; 233--240
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Web-blight - regional late blight monitoring and variety resistance information on Internet
Autorzy:: Hansen, J.G.
Lassen, P.
Koppel, M.
Valskyte, A.
Turka, I.
Kapsa, J.
Powiązania:: https://bibliotekanauki.pl/articles/65959.pdf
Data publikacji:: 2003
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Web-blight system
prognosis system
information
monitoring
resistance
potato
Internet
Źródło:: Journal of Plant Protection Research; 2003, 43, 3
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Monitoring System for Evaluation of Operator Functional Status on Sea Ships
Autorzy:: Varoneckas, G.
Martinkenas, A.
Andruskiene, J.
Stankus, A.
Mazrimaite, L.
Livens, A.
Powiązania:: https://bibliotekanauki.pl/articles/117101.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: monitoring system
sea ships
Web system
MySQL database
Database Management System (DBMS)
development of modern technology
evaluation of operator functional status
operator functional status
Opis:: This paper introduces the basic concept of a new developed web-based databank for an assessment of seafarers’ functional status during the sea missions. The Web system is based on client-server architecture and the international open source technologies including Apache web server, PHP scripts and MySQL database. The paper focuses on the aspects and first results of the initial practical realization of the web-based databank. The main operational advantage of the developed system is the capability to on-line handle up to a dozen users at the same time. The system includes administrative data and questionnaires. Electronic data entry saves the time and material resources.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 309-313
2083-6473
2083-6481
Pojawia się w:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Decentralized PI controller for multimotors web winding system
Autorzy:: Bouchiba, B.
Hazzab, A.
Glaoui, H.
Med-Karim, F.
Bousserhane, I. K.
Sicard, P.
Powiązania:: https://bibliotekanauki.pl/articles/384405.pdf
Data publikacji:: 2012
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: multi motors web winding system
PI controller
tension control
linear speed control
Opis:: Web winding systems allow the operations of unwinding and rewinding of various products including plastic films, sheets of paper, sheets, and fabrics. These operations are necessary for the development and the treatment of these products. Web winding systems generally consist of the same machine elements in spite of the diversity of the transported products. Due to the wide rang variation of the radius and inertia of the rollers the system dynamic change considerably during the winding/ unwinding process. Decentralized PI controller for web tension control and linear speed control are presented in this paper. The PI control method can be applied easily and is widely known, it has an important place in control applications. Simulation results show the effectiveness of the proposed linear speed and tension controller for web winding multi motors systems.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 2; 32-36
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Komunikacja pomiedzy uczelniami i ich grupy docelowe w systemie Web 3.0
Marketing Universities via crossmedial instruments
Autorzy:: Kaiser, I.
Powiązania:: https://bibliotekanauki.pl/articles/213696.pdf
Data publikacji:: 2012
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:: komunikacja społeczna
media społecznościowe
narzędzia marketingowe
system Web 3.0
grupy docelowe uczelni
social communication
social media
marketing tools
system of Web 3.0
target groups of college
Opis:: Profile i strony przedsiębiorstw na portalach społecznościowych, obecność Social-Media-Newsroomu na stronie startowej, specjalna aplikacja poświęcona uczelniom wymagają nie tylko codziennej moderacji uwzględniającej elementy związane z ich treścią, metodyką i dydaktyką lecz także pewnego pierwiastka kreatywności i (aktywnych lub pasywnych) „word of mouth action" W ten sposób uczelnia będzie postrzegana jako instytucja prezentująca się autentycznym, zrozumiałym, emocjonalnym słowem i obrazem i dzięki temu będzie w stanie sprostać wszystkim wymogom strategii wielokanałowego marketingu (Multi Channel Marketing). Wartości preferowane przez grupy docelowe uzależnione są od osobistych upodobań, zwyczajów, wpływu przyjaciół i kontaktów, wyboru kierunku studiów, własnych celów, kontaktu z uczelnią, itp. Regularna obserwacja (Search, Mentions) grup docelowych na podstawie informacji dostępnych w publikowanych dyskusjach, wątkach, forach umożliwia dodatkowy wgląd do zainteresowań grup docelowych uczelni i ujawnia preferowane i oczekiwane przez nich informacje. Konkretne testy eksploracyjne z grupami docelowymi owocują wynikami o skutecznych i nieskutecznych działaniach marketingowych i są znaczącym źródłem informacji dla przyszłych, ukierunkowanych projektów i akcji marketingowych. Istotne jest opracowanie własnego, indywidualnego Collaborative Web 3.0. Należy nie tylko wsłuchiwać się w głos grup docelowych lecz ważne jest rzeczywiste integrowanie ich ze swoimi planami i codziennymi procesami na uczelni.
Profiles and websites of companies on social portals, the presence of Social-Media-Newsroom on homepage, special application devoted to research and scientific institutions require not only daily moderation considering elements associated with their content, methodology and didactics but also a certain element of creativity and (active or passive) "word of mouth action". This way the university will be regarded as an institution presenting itself by means of authentic, comprehensible, emotional words and images and thanks to tins it will be able to satisfy all requirements of the strategy of Multi Channel Marketing. The values preferred by target groups depend on personal preferences, habits influence of friends and contacts, choice of areas of study, own goals, contact with the university etc. Regular observation (Search, Mentions) of target groups on the basis of information available in published discussions, threads, message boards enables additional insight into the interests of a university's target groups and reveals information preferred and expected by them. Particular exploratory tests with target groups bring results concerning efficient and inefficient marketing activities and constitute a major source of information about future, directed projects and marketing actions. It is recommended to not only listen to the voice of target groups, but also to actually integrate them with the plans and daily processes at research and scientific institutions.
Źródło:: Prace Instytutu Lotnictwa; 2012, 4 (225); 447-455
0509-6669
2300-5408
Pojawia się w:: Prace Instytutu Lotnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Communication between scientific-research institutions and their target groups in the Web 3.0 System
Autorzy:: Kaiser, I.
Powiązania:: https://bibliotekanauki.pl/articles/213493.pdf
Data publikacji:: 2012
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:: social communication
social media
marketing tools
system of Web 3.0
target groups of college
Opis:: Profiles and websites of companies on social portals, the presence of Social-Media-Newsroom on homepage, special application devoted to research and scientific institutions require not only daily moderation considering elements associated with their content, methodology and didactics but also a certain element of creativity and (active or passive) "word of mouth action". This way the university will be regarded as an institution presenting itself by means of authentic, comprehensible, emotional words and images and thanks to tins it will be able to satisfy all requirements of the strategy of Multi Channel Marketing. The values preferred by target groups depend on personal preferences, habits influence of friends and contacts, choice of areas of study, own goals, contact with the university etc. Regular observation (Search, Mentions) of target groups on the basis of information available in published discussions, threads, message boards enables additional insight into the interests of a university's target groups and reveals information preferred and expected by them. Particular exploratory tests with target groups bring results concerning efficient and inefficient marketing activities and constitute a major source of information about future, directed projects and marketing actions. It is recommended to not only listen to the voice of target groups, but also to actually integrate them with the plans and daily processes at research and scientific institutions.
Źródło:: Prace Instytutu Lotnictwa; 2012, 5 (226); 227-235
0509-6669
2300-5408
Pojawia się w:: Prace Instytutu Lotnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Service recommendation on Wiki-WS platform
Autorzy:: Sobecki, A.
Powiązania:: https://bibliotekanauki.pl/articles/1941692.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Gdańska
Tematy:: recommendation system
Wiki-WS
web services
web platform
recommendation algorithms
Opis:: The article presents the issues of recommendation services for users. The commonly used solutions shown include known classes of recommendation systems and information about their area of use and the most frequently used algorithms. The issue of choosing the services has been described based on the Wiki-WS platform including a model of cooperation with the recommendation system. The conclusion from the analysis of the proposed model and available algorithms is that there is a need to create a hybrid service recommendation algorithm in order to fulfill the requirements of those using a service platform like Wiki-WS.
Źródło:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2015, 19, 4; 445-453
1428-6394
Pojawia się w:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Web Based Architecture for Internet of Things Using GSM for Implementation of Smart Home Applications
Autorzy:: Swarnalatha, K.
Saba, Amreen
Basheer, Asfiya Muhammadi
Ramya, P. S.
Powiązania:: https://bibliotekanauki.pl/articles/1193542.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Embedded system
GSM
Internet of Things
SMS
Web Interface
Web Server
Opis:: Today people want the world on their hands. It outlets the revolutions of computing and smart environment. Some technologies like ambient intelligence satisfy the maximum need of smart world but these technologies are not tightly coupled with internet, so the people need another technology extension. Internet of Things (IoT) is an ideal emerging technology to influence the internet and communication technologies. Simply “Internet of Things” connects „living and non living things‟ through „internet‟. Traditionally in the object oriented paradigm everything in the world is considered as an object, but in the IoT paradigm everything in the world is considered as a smart object, and allows them to communicate to each other through the internet technologies by physically or virtually. This paper proposes architecture to enable the users to control and monitor smart devices through internet. It creates an interface between users and smart home by using GSM and internet technologies, or it simply creates GSM based wireless communication from the web server into the smart home. In this architecture the users give commands through web then the users inputs are converted into GSM-SMS commands. These commands are sent to embedded system module (embedded system directly connect with devices) through GSM network, and finally the user commands are parsed and executed by microcontroller to control any electronic objects like home appliances, lights, etc. and it sends the acknowledgement. The embedded system module can be placed anywhere in the world and it will be controlled by IoT Agent through GSM network.
Źródło:: World Scientific News; 2016, 41; 34-44
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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