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Posouzení a implementace informačního systému / Assessment and Implementation of Information SystemStáňa, Ondřej January 2016 (has links)
This diploma thesis describes the design of information system implementation into the specific trade. Implementation of the new information system will improve efficiency of the company and further customer services.
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Разработка торговой стратегии криптовалют для определения точек входа и выхода из торговых позиций на основе алгоритмов машинного обучения : магистерская диссертация / Development of a cryptocurrency trading strategy to determine entry and exit points for trading positions based on machine learning algorithmsПершин, А. Д., Pershin, A. D. January 2023 (has links)
Объектом настоящего исследования являются алгоритмы и методы машинного обучения, и их применение в задачах прогнозирования временных рядов и анализа текста. В данном исследовании предложено применить модифицированную архитектуру рекуррентной нейронной сети (LSTM) для предсказания цены закрытия криптовалютных котировок на следующий день от текущего, а также, применить алгоритмы классификации, такие как: логистическая регрессия, Linear SVC, Gradient Boosting, для определения эмоциональной метки новостной записи для разработки стратегии прогнозирования точек входа и выхода из торговых позиций на рынке криптовалют. Исследование фокусируется на доказательстве того, что применение методов и алгоритмов машинного обучения для создания торговой стратегии для определения точек входа и выхода из торговой позиции, повысит эффективность процесса торговли, а также, ускорит процесс сбора и обработки аналитических данных для технического анализа рынка. Для обучения используемых моделей, разработаны и использованы программные средства (парсеры), с помощью которых извлекаются данные с криптовалютной торговой биржи Binance, а также, криптовалютной социальной сети CryptoPanic. Экспериментальные результаты показывают, что среднем автоматизированный процесс определения точек входа и выхода из торговых позиций быстрее в 2 раза чем при ручном определении, а количество сделок увеличится примерно на 17.5%. В итоге можно сделать вывод о том, что, используя передовые технологии возможно разработать инструмент для повышения эффективности торговли криптовалютой. / The object of this study is the algorithms and methods of machine learning, and their application in the problems of time series forecasting and text analysis. In this study, it is proposed to apply a modified architecture of a recurrent neural network (LSTM) to predict the closing price of cryptocurrency quotes the next day from the current one, and also to apply classification algorithms, such as: logistic regression, Linear SVC, Gradient Boosting, to determine the emotional label of a news entry to develop a strategy for predicting entry and exit points for trading positions in the cryptocurrency market. The study focuses on proving that the use of machine learning methods and algorithms to create a trading strategy to determine entry and exit points from a trading position will increase the efficiency of the trading process, as well as speed up the process of collecting and processing analytical data for technical market analysis. To train the models used, software tools (parsers) were developed and used, with the help of which data is extracted from the Binance cryptocurrency trading exchange, as well as the CryptoPanic cryptocurrency social network. Experimental results show that, on average, the automated process of determining entry and exit points from trading positions is 2 times faster than with manual determination, and the number of transactions will increase by about 17.5%. As a result, we can conclude that, using advanced technologies, it is possible to develop a tool to improve the efficiency of cryptocurrency trading.
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Posouzení informačního systému a návrh změn / Information System Assessment and Proposal of ICT ModificationFojtík, Jakub January 2010 (has links)
The aim of this thesis is a description of information systems and a correct method of selection of the information system by an enterprise. It describes the subject with focus on ERP systems, situation and trends on the domestic market. It brings also benefits of the information systems for enterprises and common mistakes during information system selection process. Own solution for the analyzed company consists of information strategy proposal and the wide selection of the suitable information system. Additional proposals are stated contracted.
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Analysing the relationship between business and information system decisionsPretorius, Petrus Johannes Jacobus 02 1900 (has links)
Organisations do not know how to effectively employ information systems to their
benefit because business and information system(IS) decisions are not aligned and due
to a lack of understanding of the different types of IS decisions. The objectives of the
study were stated as follows:
• To confirm the existence of a relationship between business and information system
decisions. A review of the literature supported the notion that IS decisions need to
be aligned with business decisions.
• To clarify the link between IS strategy and structural decisions. The study
introduced a framework that suggested that to facilitate the link between business
and IS decisions the respective strategy components need to be linked and that IS
structural components will primarily be determined by IS strategy components.
Information systems have become a strategic resource for all organisations and, not only
is it perceived a very important competitive factor, but the importance will increase in
the years to come. Organisations spend large amounts of money on information
"':> systems. There is also the expectation that IS should CQ!ltribute_ to the achieve,£1:enμi,
business goals and the overall financial performance of the company. Most senior
executives believe that the amount of money invested in information systems and
technology cannot be justified based on it's perceived contribution to the achievement
of organisational objectives! Considerable effort was made to identify the relevant business strategy, IS strategy, and
IS structural components. The business strategy components identified were selected
specifically for their competitive focus. The population selected included the top companies in South Africa based on financial performance. The basis for the decision
was that successful companies would link business and IS decisions and they would
understand the intrinsic differences between IS strategy and structure components. / Business Leadership / D. B. L. (Business Leadership)
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Les TIC dans les PME : usage, contraintes, appropriation nécessité d’une approche de facteurs immatériels : humains -culturels, organisationnels - managériaux… : pour la réussite des projets d’implantation de systèmes d’Information : étude de cas : les PME Algériennes / ICT in SMEs : Usage, Constraints, Appropriation. Necessity of an Intangible Factor Approach : Human / Cultural, Organizational - Managerial... For the Successful Implementation Projects of Information Systems : Case study : Algerian SMEsMaoudj, Abdelhakim 19 January 2017 (has links)
D’Implantation de Systèmes d’Information. Etude de cas : Les PME AlgériennesNotre thèse est consacrée à l’étude des technologies de l’information et de communication (TIC), leurs usages, impacts et leurs appropriations ainsi que les contraintes qui freinent leur intégration dans les petites et moyennes entreprises (PME). Notre étude a permis : Analyser les facteurs d’acceptabilité du système d’information (SI) en adoptant une approche comportementale et montrer la nécessité d’une approche immatérielle (Humaine/Culturelle, organisationnelle /managériale…) dans la conduite et la gestion du projet SI.Prendre en considération deux niveaux d’analyse : Le niveau micro pour l’analyse des facteurs immatériels relatifs à la méthodologie du projet d’implantation de SI, et les facteurs immatériels relatifs aux phases du projet SI. Le niveau macro pour l’analyse des facteurs immatériels relatifs à la stratégie d’aide et d’assistance, de diffusion des TIC dans les PME. La conception d’un modèle de recherche et effectuer deux tests : Le premier test de base de notre modèle en pré-adoption a permis de révéler une corrélation positive et statistiquement significative entre les facteurs immatériels et les facteurs d’acceptabilité. Communiquez les résultats du premier test. Le deuxième test en post-adoption qui nous a permis de : Confirmer la continuité de l’acceptabilité du SI en post-adoption avec l’augmentation du taux d’acceptabilité du SI. Confirmer la continuité de la prise en compte des facteurs immatériels dans le projet d’implantation du SI avec l’augmentation du taux d’immatérialité. Déduire que notre approche immatérielle a permis d’améliorer le taux d’acceptabilité du SI et, par conséquent, augmenter le taux de succès du projet d’implantation du SI. / Our thesis is devoted to the study of information technology and communication (ICT), their uses, impacts and their appropriations as well as the constraints which slow down their integration in small and medium-sized enterprises (SME). Our research allowed :To analyze the acceptability factors of the information system by adopting a behavioral approach and aims at showing the necessity of an immaterial approach (Human / Cultural, organizational / managerial ...) in the conduct and management of the project of the information system (IS). To Consider two levels of analysis: The micro level to analyze the immaterial factors relative to the methodology of the implementation project of IS and the immaterial factors relative to the phases of the project of the IS. The macro level to analyze the immaterial factors relative to the strategy of assistance and support, diffusion of ICT in SME. To Concept design of a research model and doing two tests: The first basic test of our model in pre-adoption allowed to show a statistically significant correlation between the immaterial factors and the acceptability factors. Communicate the results of the first test. The second test model in post-adoption phase allowed to confirm the continuity of the acceptability of IS in post-adoption with the increase of the rate of acceptability of IS. Confirm the continuity of the consideration of the immaterial factors in the project of implementation of an IS with the increase of the rate of system immateriality. Deduct that our immaterial approach allowed to improve the rate of acceptability of the IS and, consequently, to increase the rate of success of the project of implementation of IS.
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Analysing the relationship between business and information system decisionsPretorius, Petrus Johannes Jacobus 02 1900 (has links)
Organisations do not know how to effectively employ information systems to their
benefit because business and information system(IS) decisions are not aligned and due
to a lack of understanding of the different types of IS decisions. The objectives of the
study were stated as follows:
• To confirm the existence of a relationship between business and information system
decisions. A review of the literature supported the notion that IS decisions need to
be aligned with business decisions.
• To clarify the link between IS strategy and structural decisions. The study
introduced a framework that suggested that to facilitate the link between business
and IS decisions the respective strategy components need to be linked and that IS
structural components will primarily be determined by IS strategy components.
Information systems have become a strategic resource for all organisations and, not only
is it perceived a very important competitive factor, but the importance will increase in
the years to come. Organisations spend large amounts of money on information
"':> systems. There is also the expectation that IS should CQ!ltribute_ to the achieve,£1:enμi,
business goals and the overall financial performance of the company. Most senior
executives believe that the amount of money invested in information systems and
technology cannot be justified based on it's perceived contribution to the achievement
of organisational objectives! Considerable effort was made to identify the relevant business strategy, IS strategy, and
IS structural components. The business strategy components identified were selected
specifically for their competitive focus. The population selected included the top companies in South Africa based on financial performance. The basis for the decision
was that successful companies would link business and IS decisions and they would
understand the intrinsic differences between IS strategy and structure components. / Business Leadership / D. B. L. (Business Leadership)
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A two-factor evaluation of bus delays based on GIS-T database and simulationZhang, Li, Ren, Xi January 2010 (has links)
During the urbanization process, vehicles quantity increase with expansion in population. Under this situation, bus transportation system also suffers from bus delay. Bus delay could be caused by a series of factors, for instance, overload passengers, traffic jam, traffic accident and other unpredictable situations. Therefore, choosing crucial elements to efficiently evaluate bus delay is a complex problem in bus delay researches and operation management. The thesis propose an approach to evaluate and explain bus delay by two elements: traffic congestion and passengers’ waiting time. Those two elements would represent the action of external and internal factors on bus operation. This approach could be adaptive to explain the reasons for bus delays, thus to help the optimization of bus lines and give useful information for decision making of transportation company. To achieve the research aim, a GIS-T database was created by combining the GIS database and TIS database. Spatial data as well as attribute data are combined in the database to represent the crucial information for bus delay. Based on GIS-T the database, the impact of traffic congestion and passengers’ waiting time was calculated using the bus line simulation. By implementing the above steps, the main cause of bus delay was studied. A case study application of this method is narrated; focusing on optimize the bus system of Guiyang city, South China. Different methods are used to find out the problem of system and the reason for delay. Moreover, optimization suggestion is proposed according to result. Compared with other methods, the two-factor method has the advantage of locating the reason of delay for each station. The time performance is not superior to other methods. By comparing the situation of adjacent station, the proportion of traffic congestion and overload passenger in bus delay was determined. The two-factor method is applicable for other transit system in different cities which has similar structure as Guiyang. However, for cities with other structure, a feasibility should be made to select an appropriate model.
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Návrh informačního systému / Information System DesignGötthans, Jakub January 2014 (has links)
The master’s thesis deals with problematic of information systems of the company which deals with the ambulant, gynecologic and genetic examination of patients. Assesses the current state of the company, main business processes and their information support. It suggest new information system to support genetic examination including economic evaluation and impact of its implementation.
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Posouzení informačního sytému a návrhy na jeho zlepšení / Information System Assessment and Proposal for ICT ModificationCebáková, Petra January 2016 (has links)
The master's thesis describes the theory of information systems and methods of their assessment. The aim of the present work is to apply theoretical knowledge on a real company and to assess the effectiveness of their information system. The results from the analysis were used to create the new information strategy of the company and some changes have been recommended to improve the current state of the IS. Finally, the budget for the applied changes has been drawn and compared with the benefits that arise from the proposed changes.
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Etude de l'approche de l'interopérabilité par médiation dans le cadre d'une dynamique de collaboration appliquée à la gestion de crise / Mediation information system to support interoperability and collaborative behaviors in a context of crisis managementTruptil, Sébastien 24 January 2011 (has links)
Les collaborations inter-organisationnelles relèvent généralement de circonstances opportunistes et s’avèrent par conséquent éphémères. Les organisations doivent alors être disposées à s’intégrer dans ce type de collaboration tout en gardant leur identité propre. Ce constat est le point de départ du projet MISE (Mediation Information System Engineering), qui aborde cette notion de collaboration d’organisations selon l’angle du système d’information, en proposant une démarche de conception d’un SIM (système d’information de médiation). Ce SIM constitue un système tiers, médiateur des SI des diverses organisations, destiné à prendre en charge, d’une part la coordination des actions des partenaires (orchestration de la dynamique collective) et d’autre part, de gérer la circulation de l’information au sein de la collaboration (acheminement et traduction des données). La conception du SIM repose sur une démarche d’ingénierie dirigée par les modèles (IDM). Par ailleurs, la notion de crise, reposant par définition sur la sollicitation d’acteurs hétérogènes concernés par une collaboration opportuniste (qui plus est dans le cadre d’un phénomène évolutif d’une durée indéterminée), fait du domaine de la gestion de crise un parfait cas d’étude pour le projet MISE. Ces travaux de thèse, liés au projet ANR-CSOSG ISyCri, présentent cette démarche de conception du SIM appliqué au domaine de la gestion de crise. Le manuscrit parcourt la démarche MISE appliquée au domaine de la gestion de crise depuis la définition conceptuelle jusqu’à la réalisation technique selon les trois étapes de cette démarche IDM : (i) au niveau « métier » : l’utilisation d’une base de connaissance, représentée par une ontologie, permet, à partir des caractéristiques de la situation de crise et du savoir-faire des partenaires de la collaboration, de définir le processus collaboratif représentatif de la succession des activités à exécuter dans le cadre de la réponse à la crise. (ii) au niveau « logique » : une transformation de modèle permet de construire, à partir du modèle de processus collaboratif obtenu au niveau « métier », une architecture logique du SIM (orientée service, selon les préceptes SOA). (iii) au niveau « technique » : une deuxième transformation de modèles permet de générer les éléments nécessaires à la configuration du SIM, notamment le fichier BPEL. L’agilité du SIM ainsi déployé constitue une exigence incontournable. Les travaux présentés dans ce manuscrit proposent donc d’intégrer ces différentes étapes de conception du SIM sous la forme de composants logiciels indépendants, sollicités à loisir au sein d’une architecture orientée service. Cette solution apporte une grande flexibilité structurelle à la démarche, en autorisant la reconfiguration partielle du SIM à partir du niveau adapté à la situation. / Organizations should be able to take part into opportunistic and brief collaborative networks. However, they should also control their identity. The MISE project (Mediation Information System Engineering) aims at dealing with that issue from the information system point of view. The main principle is to design a specific third part mediation information system (MIS) in charge of, first, orchestrating the collaborative workflow of the collaborative network and, second, managing information (carrying and translating data). Designing such a MIS is based on a model-driven engineering approach (MDE). Considering crisis management field, it is obvious that such a domain requires opportunistic collaboration of heterogeneous partners involved in the crisis response (furthermore, crisis management is a very dynamic process where agility is a crucial point). Directly linked to the French funded ISyCri project, this PhD research work presents the overall approach for MIS design in a crisis management context.That MDE approach is based on three steps: (i) “Business” level: a collaborative process model is deduced from a knowledge base represented through an ontology. (ii) “Logical” level: an abstract service-oriented architecture of MIS is built, based on a model transformation from the previously obtained collaborative process model. (iii) “Technical” level: all the required deployment files are generated (including BPEL file), based on another model transformation, from the logical architecture. Besides, agility is a strong requirement for such a MIS. Therefore, these three steps are integrated, as independent software components, in a service-oriented architecture of a MIS-design tool. This solution brings structural flexibility to the overall approach by allowing partial redesign of the MIS (at theexpected step)
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