987 resultados para IT-system


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This report describes work on the thesis “IT systems and organizational development”. The work is carried out on Stocksbro Energi AB, during spring 2009. The company wanted better flow in their production but also review if the inventory management function located in Visma SPCS Administration 2000, could be used in the organization. Under the first part of this report the system were tested to ensure if the system would work together with the organization. After testing the desired features they were evaluated along with two of the users to the system at the company. The wanted functions could not be obtained whenthe Admin 2000 is an economic system and are not made for the producing companies. Thereafter the theoretical possibility was examined of introducing a more advanced system to get the desired functionality to work together with the organization. To introduce a more advanced system will require major changes of the organization, before, during and after the introduction. It is therefore important how the management implements a possibility of a new system. It’s important to make the staff join in this implementation but also get as much as possible out of the system.To conclude the thesis a goal and problem analysis but also a solution proposal was made with the help of the FA/SIMM method. Also some suggestions are mentioned how the company could proceed in the implementation of the proposals for a solution.

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Comfort is, in essence, satisfaction with the environment, and with respect to the indoor environment it is primarily satisfaction with the thermal conditions and air quality. Improving comfort has social, health and economic benefits, and is more financially significant than any other building cost. Despite this, comfort is not strictly managed throughout the building lifecycle. This is mainly due to the lack of an appropriate system to adequately manage comfort knowledge through the construction process into operation. Previous proposals to improve knowledge management have not been successfully adopted by the construction industry. To address this, the BabySteps approach was devised. BabySteps is an approach, proposed by this research, which states that for an innovation to be adopted into the industry it must be implementable through a number of small changes. This research proposes that improving the management of comfort knowledge will improve comfort. ComMet is a new methodology proposed by this research that manages comfort knowledge. It enables comfort knowledge to be captured, stored and accessed throughout the building life-cycle and so allowing it to be re-used in future stages of the building project and in future projects. It does this using the following: Comfort Performances – These are simplified numerical representations of the comfort of the indoor environment. Comfort Performances quantify the comfort at each stage of the building life-cycle using standard comfort metrics. Comfort Ratings - These are a means of classifying the comfort conditions of the indoor environment according to an appropriate standard. Comfort Ratings are generated by comparing different Comfort Performances. Comfort Ratings provide additional information relating to the comfort conditions of the indoor environment, which is not readily determined from the individual Comfort Performances. Comfort History – This is a continuous descriptive record of the comfort throughout the project, with a focus on documenting the items and activities, proposed and implemented, which could potentially affect comfort. Each aspect of the Comfort History is linked to the relevant comfort entity it references. These three components create a comprehensive record of the comfort throughout the building lifecycle. They are then stored and made available in a common format in a central location which allows them to be re-used ad infinitum. The LCMS System was developed to implement the ComMet methodology. It uses current and emerging technologies to capture, store and allow easy access to comfort knowledge as specified by ComMet. LCMS is an IT system that is a combination of the following six components: Building Standards; Modelling & Simulation; Physical Measurement through the specially developed Egg-Whisk (Wireless Sensor) Network; Data Manipulation; Information Recording; Knowledge Storage and Access.Results from a test case application of the LCMS system - an existing office room at a research facility - highlighted that while some aspects of comfort were being maintained, the building’s environment was not in compliance with the acceptable levels as stipulated by the relevant building standards. The implementation of ComMet, through LCMS, demonstrates how comfort, typically only considered during early design, can be measured and managed appropriately through systematic application of the methodology as means of ensuring a healthy internal environment in the building.

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The software underpinning today’s IT systems needs to adapt dynamically and predictably to rapid changes in system workload, environment and objectives. We describe a software framework that achieves such adaptiveness for IT systems whose components can be modelled as Markov chains. The framework comprises (i) an autonomic architecture that uses Markov-chain quantitative analysis to dynamically adjust the parameters of an IT system in line with its state, environment and objectives; and (ii) a method for developing instances of this architecture for real-world systems. Two case studies are presented that use the framework successfully for the dynamic power management of disk drives, and for the adaptive management of cluster availability within data centres, respectively.

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As the number of using 3PL providers are increasing rapidly in recent years, 3PL providers play a major role in the logistics industry. Due to customers demands are raising and changing, it has facilitated 3PL providers to invest IT systems that could meet customer requirements and create competitive advantage. The use of IT systems could assist 3PL providers to achieve supply chain visibility and enhance supply chain collaboration with business partners. In this paper, it is mainly focus on the Europe and Far East 3PL providers in terms of current and future IT systems, IT motivators and barriers, as well as the future supply chain demands that address by IT systems. The common IT system that implemented in both regions is information technology, which is mainly used to collaborate and share information with supply chain partners. Some of the common motivations and barriers were existed and 3PL providers need to be understood. Given the future demands of IT implementation and supply chain collaboration, IT systems such as RFID and integration systems would be strongly focus in the future. The suggestion about the advanced integration system such as business process management (BPM) could be the next key IT systems in the future logistics industry. © 2012 AICIT.

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In today's technological age, fraud has become more complicated, and increasingly more difficult to detect, especially when it is collusive in nature. Different fraud surveys showed that the median loss from collusive fraud is much greater than fraud perpetrated by a single person. Despite its prevalence and potentially devastating effects, collusion is commonly overlooked as an organizational risk. Internal auditors often fail to proactively consider collusion in their fraud assessment and detection efforts. In this paper, we consider fraud scenarios with collusion. We present six potentially collusive fraudulent behaviors and show their detection process in an ERP system. We have enhanced our fraud detection framework to utilize aggregation of different sources of logs in order to detect communication and have further enhanced it to render it system-agnostic thus achieving portability and making it generally applicable to all ERP systems.

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Organisations are constantly seeking efficiency improvements for their business processes in terms of time and cost. Management accounting enables reporting of detailed cost of operations for decision making purpose, although significant effort is required to gather accurate operational data. Business process management is concerned with systematically documenting, managing, automating, and optimising processes. Process mining gives valuable insight into processes through analysis of events recorded by an IT system in the form of an event log with the focus on efficient utilisation of time and resources, although its primary focus is not on cost implications. In this paper, we propose a framework to support management accounting decisions on cost control by automatically incorporating cost data with historical data from event logs for monitoring, predicting and reporting process-related costs. We also illustrate how accurate, relevant and timely management accounting style cost reports can be produced on demand by extending open-source process mining framework ProM.

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A framework for assessing the robustness of long-duration repetitive orchestrations in uncertain evolving environments is proposed. The model assumes that service-based evaluation environments are stable over short time-frames only; over longer periods service-based environments evolve as demand fluctuates and contention for shared resources varies. The behaviour of a short-duration orchestration E in a stable environment is assessed by an uncertainty profile U and a corresponding zero-sum angel-daemon game Γ(U) [2]. Here the angel-daemon approach is extended to assess evolving environments by means of a subfamily of stochastic games. These games are called strategy oblivious because their transition probabilities are strategy independent. It is shown that the value of a strategy oblivious stochastic game is well defined and that it can be computed by solving a linear system. Finally, the proposed stochastic framework is used to assess the evolution of the Gabrmn IT system.

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An enterprise is viewed as a complex system which can be engineered to accomplish organisational objectives. Systems analysis and modelling will enable to the planning and development of the enterprise and IT systems. Many IT systems design methods focus on functional and non-functional requirements of the IT systems. Most methods are normally capable of one but leave out other aspects. Analysing and modelling of both business and IT systems may often have to call on techniques from various suites of methods which may be placed on different philosophic and methodological underpinnings. Coherence and consistency between the analyses are hard to ensure. This paper introduces the Problem Articulation Method (PAM) which facilitates the design of an enterprise system infrastructure on which an IT system is built. Outcomes of this analysis represent requirements which can be further used for planning and designing a technical system. As a case study, a finance system, Agresso, for e-procurement has been used in this paper to illustrate the applicability of PAM in modelling complex systems.

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Banverket Produktion är Sveriges största entreprenör inom järnvägsunderhåll. De har tillgång till ett flertal IT-system som ger information om järnvägsanläggningar och maskiner. Banverket Produktion vill utreda möjligheterna med att kombinera denna information och presentera den i ett kartgränssitt.En kartapplikation kan användas för att ta fram information ifrån olika system och presentera grafiskt. Den kan även användas som ett gränssnitt för att söka information från andra distrikt. Genom att använda sig av grafisk kartvisning av verksamhetsinformation blir det möjligt att planera åtgärder på ett mer tidssparande och kostnadseffektivt sätt och maskiner kan utnyttjas effektivare.Arbetet har gått ut på att beskriva vilken ökad verksamhetsnytta grafisk kartvisning av verksamhetsinformation kan ge och presentera ett förslag på en systemarkitektur som stödjer grafisk kartvisning. Inom Banverket Produktion finns det flera problem som man tror ska kunna lösas med hjälp av grafisk kartvisning. En viktig del i vårt arbete har varit att ta fram den viktigaste funktionaliteten i en kartapplikation som skall lösa dessa problem och ge en ökad verksamhetsnytta.

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Amergo är ett företag som inriktar sig på att köra ut bland annat frukt och fika till dess kundföretag. I dagsläget utför kundföretagen beställningar via telefon eller e-post. Jag har fått i uppgift att utveckla ett webbaserat IT-system som ska ge kundföretagen möjlighet att utföra och ändra sina beställningar utan Amergos direkta inverkan.Under systemutvecklingens gång har jag tagit Hultgrens (2007) teorier om eTjänster till hjälp för att på ett systematiskt sätt analysera systemet, eller eTjänsten. Denna analys resulterade i en rad frågeställningar vilka är tänkta att vara till hjälp vid vidareutvecklingen av eTjänsten.Därefter har jag, med hjälp av ovan nämnda frågeställningar, analyserat hur eTjänstens relationer kan byggas ut genom att tilläggstjänster skapas.

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A sequence of actions in the world have influenced the information science, one of these actions is the lateral movement in how companies use their IT-systems. IT-systems today, in comparison to before, are used by companies to improve their relationship with their customers. Every year a big amount of money is spent on developing and improving IT-systems. That is why it is important to develop and create IT-systems that are clear, and which encourage, enable and simplify a user’s action. There are criteria to use in actability and “eTjänstetydlighet”. I have in this thesis used acknowledged criteria for actability and “eTjänstetydlighet” to analyze two IT-systems that are equal to each other. This is to show how companies can develop and adjust their IT-system so that they will match today’s point of view. I have also in this thesis chosen to evaluate the usage of criteria for “eTjänstetydlighet” and that is because no one has done that before. The result of this thesis gave Monster and Proffice measures for how to develop their IT-systems. The result of this thesis also gave indications of fuzziness when using criteria for “eTjänstetydlighet”, however, I was able to use the criteria the way they were supposed to be used to fulfill their purpose.

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Göran Hultgren är författaren till eTjänster som social interaktion via användning av IT-system (2007), vilken är en praktisk teori som syftar till att vara till hjälp vid analyser av eTjänster. Eftersom Hultgrens avhandling går ut på att analysera befintliga eTjänster saknas det riktlinjer för hur teorin kan tillämpas praktiskt under utvecklingen av nya eTjänster. Syftet med dennauppsats är att ta fram en systemutvecklingsmetod utifrån den praktiska eTjänsteteorin.eTjänstemetoden som vi tagit fram är baserad på en litteraturstudie av Hultgrens avhandling.Metoden består av ett antal steg som man kan följa vid utvecklingen av en eTjänsten. Den skall inte ses som en fullständig systemutvecklingsmetod utan skall fungera snarare som enkompletteringsmetod som syftar till att ett eTjänsteperspektiv behålls under hela utvecklingen.Vi hade som uppdrag av SkiBar System AB att utveckla ett community där vi kunde testa våreTjänstemetod under utvecklingen. Metoden visade sig vara ett bra sätt att behålla ett eTjänsteperspektiv,det vill säga att alla communitys tjänster syftade till att höja värdet för kunden.

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Today’s e-services are complex phenomenon consisting of several different e-services linked together. The e-services are provided by IT systems and presented to customers through user interfaces. Within web design research criteria are laid out for the design of good user interfaces, but one problem is that these analyses are performed without a service focus. This lack of service focus can result in the designed user interfaces providing indistinct service concepts, especially where several e-services are intertwined with each other.In order to design IT system interfaces, we have to be clear about which e-services are provided by the IT system and how these e-services are related to each other. This paper presents a framework for the analysis of user interfaces in terms of focused e-service, service environment and two types of intertwined e-services; related e-services and interrelating e-services. The analyses are exemplified by an Internet based e-marketplace. The paper discusses how the framework can be combined with ordinary web design criteria and how it can be used for e-service development.

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Denna rapport redovisar en förstudie som genomförts i syfte att belysa nuvarande hantering av tjälrestriktioner inom Vägverket, utforma ett förslag till en verksgemensam metodbeskrivning och föreslå en fortsatt verksamhet inom området för att komma tillrätta med identifierade problem och utvecklingsbehov.Syftet med denna förstudie är att:- Inventera nuvarande hantering av tjälrestriktioner vid Vägverkets regionala enheter.- Utarbeta en metodbeskrivning med uppföljningsrutiner, som i rimlig utsträckning tar hänsyn till regionernas olika förutsättningar.- Redogöra för överväganden bakom lagda förslag i metodbeskrivningen och dokumentera utgångspunkter.- Beskriva nödvändiga förändringar i berörda IT-system- Ge förslag till en arbetsgång för implementering av metoden i regionerna- Utarbeta ett förslag till fortsatt arbete med tjälrestriktioner med en grov beskrivning av kostnader och nytta.- Definiera och förtydliga begreppet tjälrestriktioner och andra betydelsefulla begrepp av betydelse för området.- Göra en grov sammanställning av näringslivets önskemål huvudsakligen genom studier av tidigare utredningar.Arbetet har genomförts genom intervjuer med ansvariga för verksamheten vid Vägverkets regioner och vid Vägverkets huvudkontor. IT-frågor har diskuterats med förvaltare av olika system och med ansvariga för utvecklingsprojekt i anslutning till området. Under arbetet har ett antal dokument insamlats och studerats.Resultatet av arbetet redovisas under rubriker som anknyter till ovanstående punkter och i bilagor.

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Research objectives Poker and responsible gambling both entail the use of the executive functions (EF), which are higher-level cognitive abilities. The main objective of this work was to assess if online poker players of different ability show different performances in their EF and if so, which functions are the most discriminating ones. The secondary objective was to assess if the EF performance can predict the quality of gambling, according to the Gambling Related Cognition Scale (GRCS), the South Oaks Gambling Screen (SOGS) and the Problem Gambling Severity Index (PGSI). Sample and methods The study design consisted of two stages: 46 Italian active players (41m, 5f; age 32±7,1ys; education 14,8±3ys) fulfilled the PGSI in a secure IT web system and uploaded their own hand history files, which were anonymized and then evaluated by two poker experts. 36 of these players (31m, 5f; age 33±7,3ys; education 15±3ys) accepted to take part in the second stage: the administration of an extensive neuropsychological test battery by a blinded trained professional. To answer the main research question we collected all final and intermediate scores of the EF tests on each player together with the scoring on the playing ability. To answer the secondary research question, we referred to GRCS, PGSI and SOGS scores.  We determined which variables that are good predictors of the playing ability score using statistical techniques able to deal with many regressors and few observations (LASSO, best subset algorithms and CART). In this context information criteria and cross-validation errors play a key role for the selection of the relevant regressors, while significance testing and goodness-of-fit measures can lead to wrong conclusions.   Preliminary findings We found significant predictors of the poker ability score in various tests. In particular, there are good predictors 1) in some Wisconsin Card Sorting Test items that measure flexibility in choosing strategy of problem-solving, strategic planning, modulating impulsive responding, goal setting and self-monitoring, 2) in those Cognitive Estimates Test variables related to deductive reasoning, problem solving, development of an appropriate strategy and self-monitoring, 3) in the Emotional Quotient Inventory Short (EQ-i:S) Stress Management score, composed by the Stress Tolerance and Impulse Control scores, and in the Interpersonal score (Empathy, Social Responsibility, Interpersonal Relationship). As for the quality of gambling, some EQ-i:S scales scores provide the best predictors: General Mood for the PGSI; Intrapersonal (Self-Regard; Emotional Self-Awareness, Assertiveness, Independence, Self-Actualization) and Adaptability  (Reality Testing, Flexibility, Problem Solving) for the SOGS, Adaptability for the GRCS. Implications for the field Through PokerMapper we gathered knowledge and evaluated the feasibility of the construction of short tasks/card games in online poker environments for profiling users’ executive functions. These card games will be part of an IT system able to dynamically profile EF and provide players with a feedback on their expected performance and ability to gamble responsibly in that particular moment. The implementation of such system in existing gambling platforms could lead to an effective proactive tool for supporting responsible gambling.