Projects, Thesis, Final Year Projects, IT, MBA, Seminar

ECE PPT - A Security Analysis of Smartphones

Title: A Security Analysis of Smartphones
Department : Master of Science in Electrical and Computer Engineering
About Project: In this thesis we have analyzed smartphone security and have proposed new security model and mechanisms for the smartphone platform, based on privacy, integrity and availability. We analyzed our model, to show it circumvents previously experienced and future foreseeable threats and attacks on the smartphone. We introduced the smartphone and its applications from a security perspective. Speci cally, we emphasized the growing popularity and changing trends in smart phone applications which increase the need for security features protecting user information and identity. Then, we discussed and compared how prevailing smartphone brands address security on their devices. We collected, consolidated and summarized ten categories of smartphone threats and vulnerabilities as witnessed in the smartphone security scene since its inception in the consumer markets. We based the resolvement of these ten threats as the goal for our policies, model and mechanism in the chapters that follow. After that, we briey discussed the existing research focus on enforcing security on smartphones, and we see that almost all works focus on adding security enhancements on top of an existing platform. We distinguished our work as a bottom-up-approach in rede ning a secure smartphone environment, with emphasis on its special applications. We developed security policies which are targeted to address the security shortcomings and need that were previously presented. We used these policies as the basis to develop a formal model de ning how security measures can be systematically built into the system. We also proposed accompanying security mechanisms, which will ensure that all applications and stakeholders and protected. Finally, we analyzed the electiveness of our work in the light of the threats that were discussed. For the future, this work can be expanded by creating and testing a small scale implementation of the model. Though we believe the model is at par with current smartphone performances, through implementing the proposed model and mechanisms the empirical eciency and viability of the design can be tested. Also, a method of faster signature checking, such as elliptic curve cryptography can be added to the model. Lastly, decisions on the precise implementation of our methods which are described at an abstract level need to be made based on various situational, corporate and market factors.
Abstract Of Thesis: This work analyzes and discusses the current security environment of today's (and future) smartphones, and proposes a security model which will reduce smartphone vulnerabilities, preserving privacy, integrity and availability of smartphone native applications to authorized parties. For this purpose, we begin with an overlook of current smartphone security standards, and explore the threats, vulnerabilities and attacks on them, that have been uncovered so far with existing popular smartphones. We also look ahead at the future uses of the smartphones, and the security threats that these newer applications would introduce. We use this knowledge to construct a mathematical model, which gives way to policies that should be followed to secure the smartphone under the model. We finally discuss existing and proposed security mechanisms that can be incorporated in the smartphone architecture to meet the set policies, and thus the set security standards.
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Embedded Systems Project On Instrumentation of timed automatic

Instrumentation of timed automatic for formal verification of timed properties
Department Of Electronics and Electrical
Project Details: In this thesis, an implementation of time measurement, in an already existing tool for modeling, simulation and verification of PRES+ models has been presented. PRES+, which is an extended timed Petri Net model, is very useful to represent embedded systems. As mentioned in the motivational example it is easy to understand the benefits of verification models. If we return to the example with the car on the road and reflects for a minute on the different components that have to work together, and in a strict order to accomplish the tasks of keeping the car on the road, or if the system fails, try to minimize possible human injuries. The need to be able to verify the embedded system working as predicted is obvious. Each
system has to, not only fulfill their own specifications, but also has to work in conjunction with each other. There would not be any meaning if the airbag fired after a crash already had taken place or if the antiskid system didn’t work together with the break control system. A verification tool like this, presented in this thesis can be used to verify each of the components functioning as specified, especially considering the issue of timeliness. Contributions made by this thesis are the added possibility to now measure time as stipulated by a logical formula and enabling translation of the formulas into the TA model. In the verification process the tool needs two inputs, one is the timed automata (TA) model and the other is a query that stipulates the given restrictions. The TA model itself easures
the time restrictions for each transition, while the new implementations that this thesis has presented, measures time from a stipulated start point in a system.
Abstract: Embedded systems are used in many technical products of today. The tendency also points to the fact that they are in many ways becoming more and more complex as technology advances. Systems like advanced avionics, air bags, ABS brakes or any real-time embedded system requires reliability, correctness and timeliness. This puts hard pressure on designers, analyzers and developers. The need for high performance and non failing systems has therefore led to a growing interest in modeling and verification of component-based embedded systems in order to reduce costs and simplify design and development. The solution proposed by the Embedded Systems Lab at Linköping University is the modeling language PRES+, Petri Net based Representation for Embedded Systems. PRES+ models are then translated into timed automata, TA, which is used by the UPPAAL verification tool. To be able to verify timing properties the translated TA model must be instrumented with certain timers, called clocks. These clocks must be reset in a manner reflected by the property to be verified.This thesis will provide a solution to the problem and also give the reader necessary information in order to understand the theoretical background needed. The thesis will also show the reader the importance of modeling and time verification in the development of embedded systems. A simple example is used to describe and visualize the benefit regarding real-time embedded systems as well as the importance of the ability to verify these systems. The conclusion drawn stresses the fact that high development costs, possible gain of human lives and the problems in developing complex systems only emphasize the need for easy-tohandle
and intuitive verification methods.
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Computer Science Final Thesis On Feature Store

Title: Feature Store
Department of Computer and Information Science
Abstract Of Thesis: This thesis describes the development of an internal web based tool for Ericsson AB in Linkoping. The problem addressed in this work is finding and managing new sales opportunities. The tool consists of an extensive structure of websites written in PHP and JavaScript with the database connection handled through MySQL. The content is a register of products but also has the ability of automatic generation of statistics. The purpose of the tool is to make the work with Ericsson’s customers more efficient, the tool will make it easier for the sales person to find a sales opportunity. The work structure consisted of two phases, an Alpha-stage to determine if there was value in developing the product and after that was evaluated the project went on to a Beta-stage to set the foundations for the proper product. 
Techniques Of Thesis:- A brief description of the different techniques implemented in the project.
HTML: HTML stands for HyperText Markup Language and is code that describes the structure of
webpages. It consists of so called tags which enclose different parts of a webpage; an example is
the tag which together with its end tag would make text within it bold (Wikipedia, 2011).
PHP: PHP stands for Hypertext Preprocessor and is a scripting language used for creating dynamic
webpages. PHP code is embedded in HTML and interpreted on a webserver to generate additional HTML (php.net, 2011; Wikipedia, 2011).
JavaScript: JavaScript is a scripting language that is ran on the client side for a webpage; its main use is
creating enhanced and dynamic interfaces (Wikipedia).
MySQL: MySQL is a language for communicating with the database, with the help of queries you may
add, remove or modify information stored (mysql.net, 2011).
Ajax: According to Wikipedia Ajax stands for Asynchronous JavaScript & XML and is a group ofinterrelated web development techniques used on the client to create dynamic functionality.
CakePHP: CakePHP is a PHP framework modeled after the concept of Ruby on Rails, this means it contains
built in functionality to make development in PHP more stable and modular (www.cakephp.org).
JQuery: JQuery is a JavaScript framework; it contains functionality for easier and more efficient creation
of JavaScript elements like for example dynamic forms (Jquery.org, 2011, Wiki).
Conclusion: By the end of the thesis Feature Store gave a clear picture of the usefulness of the tool and the project was prolonged into a probable development of a live version, it contains the functionality it was set out to with more having been added during the course of the project. The original purpose have clearly been fulfilled with the tool already having some use within the company even though it is not in a finalized version.
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Geography Dissertation On Fuels Inventory and Mapping

Title: Canopy Fuels Inventory and Mapping Using Large-Footprint Lidar
Department Of Geography

Abstract Of Thesis: This dissertation examines the use of large5 footprint, waveform-digitizing lidar data to predict and create maps of CBD and CBH as well as the use of lidar-derived products to run a fire behavior model. Lidar metrics are compared to field-based estimates of CBD and CBH and, based on the regression models resulting from these comparisons, maps of CBD and CBH are generated that are then tested as inputs into a fire behavior model. The remainder of this introductory chapter is organized as follows. 
The next sections provide 
(1) a background to fire behavior models, focusing specifically on FARSITE (Fire Area Simulator-Model); (2) a review of field- and remote-sensingbased collection of wildland fuels data; 
(3) a synopsis of the previous use of remotesensing- derived fuels data as input into fire behavior models; 
(4) a summary of the current state of the utilization of lidar to predict fuels and 
(5) an overview of the research objectives addressed in the remaining chapters.
Keywords: Geography, Remote Sensing, Environmental Sciences, lidar, canopy bulk, density, canopy base height, canopy fuels estimation, FARSITE.
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M.Sc Nursing Thesis On Behavior And Nursing Care

Patients who self-mutilate - Their experiences of their behavior and nursing care
Abstract Of the Thesis And Background: Self-mutilation often starts in adolescence but is established through traumatic experiences in early childhood. The behavior is a conscious act that is performed to alleviate psychological pain, resulting in tissue damage. The patients often feel stigmatized and treated like objects when they need to feel supported and understood in the nursing care.
Aim Of Thesis: To highlight patients who self-mutilate, their experiences of their behavior and of the attitudes in the nursing care.
Method of Thesis: A literature review based on 11 scientific articles. Result: The analysis of the articles resulted in three major categories; ”Experiences of self-injury and underlying reasons”, ”Patients wishes of worthy treatment” and ”Negative experiences of nursing care”. Patients who self-mutilate experienced that their behavior took control over their daily life. Feelings of hope, support and understanding were important parts of the nursing care but the patients often felt disregarded and misunderstood.
Conclusion Of Thesis: Patients who self-mutilate often feel misunderstood and alone. The nurses need guidelines for how to treat these patients who need to feel involved in their nursing care and how to get continuous support. More research is needed from the patient perspective to improve nurses attitudes towards patients who self-mutilate.
Keywords: Self-mutilation, patient, experience, attitude and nursing.
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Management HR Managers Thesis On Selection of Expatriates

Title: Selection of expatriates - The influence of HR managers gender and personal traits.
School of Health and Society, International Business and Economics Program
Abstract of Thesis: Due to increased internationalization around the world the expatriate rate has grown significantly during the last years and has become a more important tool within organizations. Therefore, the need for expatriates increases and it is of importance for organizations to broaden their expatriate base and not exclude particular groups of employees, such as women are today. The purpose of this dissertation was to explore the role that gender and personal traits of the HR managers play in evaluating and selecting expatriates. Furthermore, we wanted to investigate this relationship with a developed model. The result of this research indicates that to be able to implement, investigate and examine research constituted in another country than Sweden, the theory must be adapted to match the Swedish demo-graphical and humanitarian structure regarding this field.
Keywords: Expatriates, HR manager, gender, personal traits, the Similar-to-Me Hypothesis and the Big Five.
The dissertation will have the following outline:
Chapter 2 – Research method
In this chapter, the different choices concerning the methodology are introduced. Further, the research philosophies, research approach, choice of theory and choice of methodology are described.
Chapter 3 – Theoretical framework
In this chapter we will review a selection of literature, including literature on expatriates, human resource managers, international human resource management, selection of expatriates, demographic characteristics and personal traits. Explanations and theories will be presented concerning the chosen topic.
Chapter 4 – Empirical method
In this chapter the empirical method is presented. We start by introducing the research design and strategy. Further, the time horizon, data collection, population, sample selection, operationalisation, reliability, validity,
generalization and response rate will be defined and discussed. Finally, the pre-study questionnaire and the main-study questionnaire will be discussed and results presented.
Chapter 5 – Research analysis and discussion
In this chapter the research analysis is presented. First a presentation of the result from the pre-study is given. Then the result from the six different hypothesis will be given and analyzed and either accepted or rejected with statistical support from SPSS.
Chapter 6 – Conclusions
In this chapter a summary of the dissertation will be presented as well as conclusions from the findings. Further, there will be some critical reflections. Suggestions on future research as well as practical implications to consider will be introduced.
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Master of Science Thesis On Politics on the Net

Title: Politics on the Net - NGO practices and experiences
ABSTRACT Of Thesis: This study investigates how different kinds of non-governmental organizations (NGOs), operating in different national political contexts, perceive and use the Internet as a political space. The political space concept, as defined here, encompasses two dimensions of Internet use: one external, where organizations use the Internet for online activism and campaigning, and one internal, signifying organizational use of the Internet to promote engagement and interactivity with members and/or supporters. Another question raised is whether Internet use for political purposes by NGOs varies between different national political contexts. Moreover, do the organizations believe that the Internet has affected their political influence to any extent? The empirical data consist of the results of two surveys, one directed primarily to American NGOs, the other explicitly comparative, analyzing NGOs in Sweden and the USA. Furthermore, content analysis of NGO websites have been conducted and additive indexes constructed. The findings of the study suggest that, overall, the Internet is most important to the studied organizations as a space for external political initiatives. There were, however, important differences in this regard, which could be related to the organizations’ national political contexts. For example, the American NGOs have oriented their websites primarily towards relatively superficial forms of member involvement, while the Swedish NGOs provided more interactive grassroots features on their websites. Regarding political influence, the Internet arguably has the potential to make the most dramatic difference by reinforcing the organizations’ offline political activities. The present results indicate that, despite the possible converging effect of the Internet on NGO political activism, national political culture exerts an inescapable influence on how the Internet is used as a political space by the studied organizations.
Keywords: Internet, ICTs, politics, cyber-politics, NGOs, political culture, national political context, online activism, advocacy, interactivity, social movements, political influence, globalization, civil society, global civil
society.
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Master Science Thesis On Harsh or Inept Parenting

Harsh or Inept Parenting Youth Characteristics and Later Adjustment
Abstract Of Thesis: Despite most parents’ good intentions to provide a warm, supportive environment in which the child can grow and develop socially appropriate behavior, they might occasionally act toward their child in a negative or even harsh way. Some do this more consistently than others. This dissertation examined the relationships between harsh or inept parenting and children s characteristics in predicting various adjustment problems. The first aim of the dissertation was to examine if experienced harsh parental behavior is associated with adjustment problems for children from different cultures in a similar way. Study I showed that the effects of harsh parenting were very similar for children from different countries, but the magnitude of these effects differed. The second aim was to examine how parents and youths respond to each other over time. Studies II and III showed that youth characteristics influenced harsh or inept parenting and, to a lesser extent, parents’ behaviors could affect youth characteristics or behavior problems. The third aim of this dissertation concerns the role of child or youth characteristics in the link between harsh parenting and adjustment problems. Findings from Study II suggested that, youth characteristics might be responsible for both harsh parenting and problematic peer relationships, thus explaining the link between them. Studies IV and V showed that children s early unmanageable increased the risk of having more adjustment problems later in life only for some children. The fourth aim was to examine how the early characteristics of children who experience physical punishment in the context of parenting behaviors that communicate negative emotions affect later adjustment. The findings from Studies IV and V suggest that only for some children, those who experience certain combination's of harsh parental behavior, is early unmanageably a risk factor for social adjustment problems. Overall, the studies in this dissertation provide insights into the roles of harsh or inept parenting and youth characteristics in the development of various adjustment problems. Even though parents’ negative behaviors may affect youth social adjustment, youth characteristics and behaviors can strongly contribute to their own adjustment and to harsh or inept parenting.
Keywords: adolescent adjustment, harsh parenting, inept parenting, reciprocal interactions, youth characteristics, early unmanageable.
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Building energy system alternatives Thesis for Mechanical Engineering

Title: Analyses of building energy system alternatives through transient simulation
Department Of Mechanical Engineering
Abstract Of Project Thesis: This thesis examines the performance of residential buildings and the energy systems contained within those buildings by simulating them in the TRaNsient SYstems Simulation (TRNSYS) program. After matching a building's floorplan to that of house local to the College Park area, national and local building surveys were consulted to produce a prototype of the average Maryland home. This home was simulated with ordinary insulation levels, heating, ventilation, and air conditioning (HVAC) equipment, and appliances. Various construction characteristics, including wall insulation, thermostat set points, HVAC equipment, and appliance efficiency were varied to examine the effects of each individual change upon the final annual energy consumption of the building, and in doing so, the value of retrofitting each characteristic was explored. Finally, the most effective energy-saving strategies were combined to model a low-energy home, in order to explore the possibility of refitting an existing home to become a net-zero site energy building. Sensitivity study results were listed, and a net-zero-energy building was successfully simulated.
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Fire Protection Engineering Project On Analysis of Fire Conditions

Title: Analysis of Fire Conditions in a Closed-End Tunnel
Department of Fire Protection Engineering
Abstract of Thesis: Many studies have addressed fires in tunnels. For the most part, these previous studies have addressed fires that might occur during operation of the tunnel, when the tunnel has openings at both ends. During construction of a tunnel, the tunnel has only one opening as the tunnel is being bored. Analysis of fire conditions that might develop during construction of a tunnel is addressed here. A number of analyses are presented to assess tenability conditions in a closed-end subsurface environment as a result of different postulated fire scenarios. The purpose of these analyses is to develop fire tenability criteria for use in evaluating subsurface life and fire safety.
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Civil Engineering on Capacity of Frozen Soil for Shallow Tunnel

Title: Capacity of Frozen Soil for Shallow Tunnel Pre-Support Underneath a Building Founded on Wooden Piles
Department Of Civil Engineering
Abstract of Project: The ever-increasing density of urban environments poses new challenges to tunneling for transit projects. Tunneling methods are called for that meet these challenges while minimizing the impact on every day routines. With only a few exceptions, urban tunneling is confronted with soft ground conditions resulting from two basic facts. Historically, dwellings were established near rivers for reasons of logistics situating cities on alluvial deposits. In addition, tunnel alignments must be kept at shallow depths to optimize access and passenger circulation. This dissertation analyzes implementation of a binocular tunnel underneath a historic building at low cover using ground freezing for tunnel pre-support and building underpinning. The shallow depth required tunneling through a large number of timber piles arranged in groups that serve as foundations for the steel frame, brick and masonry building. Tunneling was carried out using a sequenced excavation with shotcrete for tunnel support, commonly referred to as the New Austrian Tunneling Method (NATM). During the tunneling the building remained operational for its mainly commercial purpose. The analysis focuses on the performance of the building foundations, frozen soil and tunnel opening. Observations from the construction-monitoring program are utilized in the development of a numerical model to study the performance of the support system consisting of timber piles, frozen soil and tunnel lining. Adfreeze strength that develops between the frozen soil and wooden piles provides a significant increase in shear capacity of the pile-frozen soil interface as compared with unfrozen conditions. The analyses suggest that the interconnect between frozen soil and pile is of such structural capacity as to allow for a substantial reduction of frozen soil thickness when compared to the one implemented on this project. This reduction provides for economies in freezing and in mitigation measures such as compensation systems for initial building heave and subsequent settlement due to freeze consolidation. It is further suggested that ground freezing in combination with NATM tunneling offers a methodical concept for tunnel construction through vertical foundation elements. A thorough testing program for adfreeze strength must support its implementation, since adfreeze strength is the primary contribution to the capacity of the hybrid tunnel-frozen ground-pile support system.

Finance Project Thesis on ESSAYS ON ASSET PURCHASES AND SALES

Title : THEORY AND EMPIRICAL EVIDENCE - ESSAYS ON ASSET PURCHASES AND SALES
Department of Finance
Project Intro: In This theory essay, “The Real Determinants of Asset Sales”.
About Project: This dissertation consists of a theory essay and an empirical essay that investigate a firm’s decision to buy or sell corporate assets. It seeks to answer the following research questions:
1) why do firms choose to buy or sell assets.
2) what makes assets in an industry more likely to be traded than assets in other industries.
3) within an the industry, why asset and sales come in waves and tends to cluster over a certain time period.
Abstract: In this paper I develop a dynamic structural model in which a firm makes rational decisions to buy or sell assets in the presence of both idiosyncratic and aggregate productivity shocks. By identifying equilibrium asset prices, the model produces an industry with a well-defined panel of firms, and jointly analyzes firms’ asset sales decisions and the aggregate asset sales activity in the business cycle. It suggests that changes of productivity, rather than levels, affect firms’ decisions - firms with increasing productivity buy assets while firms with decreasing productivity choose to downsize. More assets are transacted in expansion years when aggregate productivity and price for existing assets are higher. The model is calibrated using the plant-level data from the U.S. Census Bureau’s Longitudinal Research Database (LRD). Using the simulated panel, I show that most of the empirical evidence on asset sales is consistent with value-maximizing behavior: (1) firms which buy assets have higher valuation around the transaction, but lower long-run average a result that was previously used to support the market-timing theory; (2) small acquirers have higher returns during the acquisition year than do large acquirers; and (3) dynamic properties of productivity shocks affect the asset sales activity in the industry: industries with less persistent and highly dispersed productivity shocks have greater asset sales.
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