This Master's thesis deals with appraising information system of a company and suggesting its changes. In theoretical part are described basic issues and terms related to information systems. In analytic part is the information system assessed by methods for detecting actual situation. Proposal part is based on the analytic part and its main objective is to design changes to improve current situation with subsequent economic evaluation.

The diploma thesis focuses on specification of the role of information strategy within the global business strategy. It further deals with meaning of the notion information strategy. By internal and external analysis used in thesis, conditions of successful application of information strategy are evaluated within analyzed firm. Primary objective of the thesis is to propose implementation of information strategy in the selected firm.

This master´s thesis contains an explanation of basic terms and principals used in an issue of information systems. Part of this master´s thesis is analyses of a current state of an information system in a selected company and evaluation of its effectiveness. A set of improvement propositions of the current state was created based on those analyses with both balance and effectiveness of an IS taken into account.

Diploma thesis is focused on the assessment of the information system and the proposal for ICT modification of specific company. The first part of thesis concerns with systematic formulation of the theoretical background which is necessary for the explanation of important concepts from the field of information systems. The practical part deals with the analysis of the company as a whole and especially with the analysis of IS. In the last part of thesis are proposed options how to achieve an improvement of the current state of business information system and information technology in the selected company based on the analysis and identification of problems of the current state of the information system.

The thesis deals with an analysis of information system and follow up designs on improvement of the IS in Enforcement office Brno-venkov company. Basic terms related to information’s systems are explained in the introductory part. The second part is dedicated to the information system concept, its qualities, features and requests. The company where IS is located, the analysis of the information system, elimination of risks and designs on improvement are described in the next part.

This thesis informs about currently used technologies, which provide loop protection on data link layer of computer networks. It clarifies issues of Ethernet networks. Chosen protocols are then closely described. There are presented advantages and disadvantages of chosen protocols and they are compared to other technologies. Practical section describes the initial implementation of IS-IS in OMNeT++ environment, which serves as the basic building block of TRILL protocol. An important issue is to verify correctness of implementation.

This thesis has its point of departure in the identified knowledge gap, which includes the importance of the information systems (IS) outsourcing relationship for studying the success of IS outsourcing. This research study, therefore, is structured with the belief that the disregard of the client-IS supplier relationship when studying IS outsourcing is paradoxical. Paradoxical since the impact of the relationship on the overall IS outsourcing can make the difference between success, less success and even failure. In contrast to the majority of prior research, which has focused IS outsourcing in its entirety, this research study percieves IS outsourcing as a process. Because prior research shows that the success or failure of IS outsourcing is connected to its implementation, this thesis focuses the post-contract stage of the IS outsourcing. The purpose chosen and addressed is to develop a conceptual framework for describing and explaining the degree of successful outcome of the IS outsourcing process using a relationship perspective. To approach this purpose, a literature review study is conducted. The literature review study includes the integration of three theoretical fields: IS, interorganisational business relationships and IS outsourcing. The knowledge domains of particular interest are 'strategies, approaches and frameworks for the IS life cycle', 'the interaction approach' and 'IS outsourcing success'. The purpose is focused through the identification of key conditions, dimensions and interrelations among dimensions. These identified elements, constituting the core elements of the conceptual framework, are a result of the conducted literature review study. The key conditions are identified according to their influence on the degree of successful outcome of the IS outsourcing process from a relationship perspective. Due to the large amount of key conditions identified, they are categorised into nine dimensions: Atmosphere, Behaviour, Contract, Environment, Interatction, IS, Management, Organisation and Outcome. The identified interrelations among these dimensions are fruitful since they provide insights and a favourable point of departure for studying the degree of successful outcome of IS outsourcing processes. The main contribution of this thesis is the conceptual framework for the IS outsourcing process. The key conditions, dimensions and interrelations constitute the conceptual framework as a result of their potential for describing and explaining the degree of successful outcome of the IS outsourcing process from a relationship perspective. The application of the conceptual framework provides managers with core elements to be considered during IS outsourcing decision-making and subsequent design of IS outsourcing. Its usage, moreover, is believed to support managers during the operationalisation of the post-contract stage of IS outsourcing processes. Finally, the conceptual framework is a fruitful 'tool' for future empirical research. Fruitful in the sense that it can provide useful and important insights into how different key conditions infuence the degree of successful outcome of IS outsourcing processes and how these key conditions are interrelated.

The implementation of an Identity and Access Management (IAM) solution is a complex process to manage, consuming multiple years and involves organizational changes. In its nature, several challenges tend to appear to different stakeholders involved in the process. However, prior research has mainly addressed the technical components of an IAM-solution, hence the technical challenges that emerge during development and implementation. Therefore, the non-technical challenges of the IAM-project work and the challenges that constitute the client implementation are understudied. The purpose of this thesis is to visualize the challenges that emerge when an IAM-solution is implemented. In addition, the challenges when organizational changes occur. The empirical data is conducted through a series of semi-structured interviews with individuals in the IAM line of business. In addition, secondary data is gathered through the review of papers and reports in Information Systems (IS) and Information Technology (IT) projects and outsourcing projects, as well from a non-academical organization with in-depth knowledge of IAM implementations. A qualitative case study of IAM implementations was conducted to investigate the studied complex phenomenon. The findings display the challenges of Insight, Communication, and Endurance (ICE), which tend to be obstacles for all stakeholders involved. Additionally, the organizational changes describe three further challenges of Anchoring, Communication, and Vision (ACV). These challenges mainly appear in client changes, which IAM implementations initiate. The thesis display connections and incoherent with prior research on IS/IT-projects and IAM-projects. In addition, newly uncovered aspects that contribute to research areas are highlighted. The thesis is summarized with some implications and possibilities for future research. / En IAM implementeringen är en komplex och utdragen process som kan ta flera år samt skapar en förändringsresa hos kund. I sin natur skapas flera utmaningar till olika involverade aktörer. Tidigare forskning har främst fokuserat på de tekniska komponenterna som en IAM lösning baseras på, därav de tekniska utmaningarna som tillkommer. Till följd har de icke-tekniska utmaningarna inom IAM projekt och utmaningarna med en implementation hos kund fått bristande uppmärksamhet där få studier har genomförts. Syftet med detta examensarbete är att visualisera de utmaningar som uppstår vid en IAM implementering. Arbetet fokuserar även på utmaningarna med organisatorisk förändring, vilket genomförandet av en IAM lösning skapar. Den primära datainsamlingen genomförs av halvstrukturerade intervjuer med personer inom IAM-branschen. Dessutom samlas sekundär data in från informationssystem (IS) och informationsteknik (IT) projekt samt outsourcingprojekt. Därtill några icke akademiska rapporter med fördjupande information om IAM implementeringar. Examensarbetet är gjort som en kvalitativ fallstudie av IAM implementeringar, detta för att förstå komplexiteten av ämnet. Resultatet visar utmaningar som Insikt, Kommunikation och Uthållighet, vilket tenderar att vara hinder för alla involverade aktörer. Dessutom beskriver de organisatoriska förändringarna tre ytterligare utmaningar för Förankring, Kommunikation och Vision. Dessa utmaningar förekommer hos kund som implementerar en IAM lösning. Uppsatsen visar sammanhängande och osammanhängande aspekter med forskningen inom IS/IT projekt och IAM projekt. Dessutom framhävs nya upptäckta insikter som bidrar till forskningsområdena. Slutligen sammanfattas arbetet med några implikationer samt förslag på vidare forskning.

Small and medium sized companies can utillise information systems (IS) to overcome restrictions imposed by their often limited resources. This dissertation investigates which factors contribute to an IS’s success in enabling managerial accounting at small and medium sized manufacturing firms in Germany. An adaptation of the IS Success Model is used as the research model for a quantitative empirical survey among 5,831 companies. Structural equation modelling confirms the model and reveals two major findings: (1) The users’ Satisfaction with the IS is the strongest determinant of Net Benefits for managerial accounting. By contrast, the Perceived Usefulness of the IS has only an indirect influence. (2) Satisfaction has a significant influence on all Net Benefits, of which Reduced Uncertainty has the largest explained variance.

Existing residential and small commercial buildings now represent the greatest opportunity to improve building energy efficiency. Building energy simulation analysis is becoming increasingly important because the analysis results can assist the decision makers to make decisions on improving building energy efficiency and reducing environmental impacts. However, manually measuring as-is conditions of building envelops including geometry and thermal value is still a labor-intensive, costly, and slow process. Thus, the primary objective of this research was to automatically collect and extract the as-is geometry and thermal data of the building envelope components and create a gbXML-based building geometry model. In the proposed methodology, a rapid and low-cost data collection hardware system was designed by integrating 3D laser scanners and an infrared (IR) camera. Secondly, several algorithms were created to automatically recognize various components of building envelope as objects from collected raw data. The extracted 3D semantic geometric model was then automatically saved as an industry standard file format for data interoperability. The feasibility of the proposed method was validated through three case studies. The contributions of this research include 1) a customized low-cost hybrid data collection system development to fuse various data into a thermal point cloud; 2) an automatic method of extracting building envelope components and its geometry data to generate gbXML-based building geometry model. The broader impacts of this research are that it could offer a new way to collect as is building data without impeding occupants’ daily life, and provide an easier way for laypeople to understand the energy performance of their buildings via 3D thermal point cloud visualization.