• Today's offered services in the World Wide Web increasingly rely on the disclosure of private user information. Service providers' appetite for personal user data, however, is accompanied by growing privacy implications for Internet users. Targeting the rising privacy concerns of users, privacy-enhancing technologies (PETs) emerged. One goal of these technologies is the provision of tools that facilitate more informed decisions about personal data disclosures. Unfortunately, available PET solutions are used by only a small fraction of Internet users. A major reason for the low acceptance of PETs is their lack of usability. Most PET approaches rely on the cooperation of service providers that do not voluntarily adopt privacy components in their service infrastructures.Addressing the weaknesses of existing PETs, this book introduces a user-centric privacy architecture that facilitates a provider-independent exchange of privacy-related information about service providers. This capability is achieved by a privacy community, an open information source within the proposed privacy architecture. A Wikipedia-like Web front-end enables collaborative maintenance of service provider information including multiple ratings, experiences and data handling practices.In addition to the collaborative privacy community, the introduced privacy architecture contains three usable PET components on the user side that support users before, during and after the disclosure of personal data. All...
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  • Literature Review from the year 2015 in the subject Engineering - Computer Engineering, grade: 8.0, Marwadi Education Foundation (GTU), course: Computer Engineering (M.E.), language: English, abstract: In today's insecure world we are surrounded by public channels which are insecure for data transfer to each other. So it requires some type of remote user authentication mechanism to verify the legitimate user. In remote user authentication schemes, the server checks the credentials of the user and decides that the user is legitimate and genuine or not. Remote user also validates the server for mutual authentication purposes. In today's web-enabled world, two parameters are most important which are security and privacy. For that many researchers work on this field and proposed a schemes which is based on different aspects likes password table, biometric and smart card for authenticating the remote user. But these are not enough for perfect remote authentication, so a scheme is required which has stronger and accurate then old existing schemes. To make most reliable scheme, it is important to calculate computational and communication cost. Also it requires resistance against many other threats. For these mutual authentication and communication privacy are most essential requirements for remote user authentication scheme. In this survey, we analyze some papers and make survey on different aspects like types of attacks, computational cost and communication cost.
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  • We know that God works in mysterious ways, yet the mysteries of God can leave us with lifelong questions about his nature and character. Thankfully, God has provided us with a way to understand him and ourselves betterand that is by focusing on him and on his Word. In More God-centric and Less Situation-centric Living, author William Bill Porter encourages us to shift the focus of our lives and our thoughts back to God and away from ourselves. By creating a theology of the inherent goodness of God, Porter shows how a God-centric life is a life of almost total submission to Gods sovereignty, and that many churches today do not teach the truth that God is about more than solving personal problems. More God-centric living enables you to acknowledge, accept, and use all the fruits of the Spirit and then walk with contentment into the gardens of both the bouquets and weeds of life, as the apostle Paul encouraged us in Philippians 4:12. You will acknowledge and walk in the realization that the gospel is not just the good news of Godbut that God is the good news! That God rules! That God is sovereign! And that God is central!
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  • Книга "Evaluation of E-Government Initiatives for Citizen-Centric Delivery".
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  • XML - short for the W3C eXtended Markup Language - is highly successful as a format for data interchange. So far, the focus with XML has been on data-centric settings, i.e., XML documents with strict and regular structure. However, this disregards many important settings that require textual or semi-structured data with little or flexible structure. XML, however, is flexible enough to cover these so-called document-centric settings in addition to data-centric ones. This book presents an XML engine for storage and retrieval of XML documents which covers the full range from data-centric to document-centric applications on a single integrated platform. It proposes to extend data-centric XML query languages such as W3C XPath with document-centric functionality needed for relevance-oriented ranked retrieval on XML documents. Moreover, it investigates transaction management for concurrent XML processing and contributes a novel locking protocol that allows for higher concurrency and more parallelism than off-the-shelf database transaction management. To make XML storage and retrieval efficient and highly scalable, both data-centric and document-centric XML contents are stored on a cluster of relational database systems. The overall result is a scalable infrastructure for storage and retrieval of XML documents with up-to-date retrieval results supporting state-of-the-art ranked retrieval models.
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  • ''Online Privacy Fears Stoked By Google, Twitter, Facebook Data Collection Arms Race'', ''Your E-Book Is Reading You'', '' 'Instant personalization' brings more privacy issues to Facebook''. These are only a few recent examples of media headlines that deal with the issue of online privacy and personalization.Scholars and managers have repeatedly stated the benefits of personalization which is targeting products and services to individual customers, and constitutes a key element of an interactive marketing strategy. In order to accurately estimate the needs and wants of customers, it is necessary to gather a significant amount of information. Privacy concerns may arise when personal information about customers is gathered. If this arises, personalization can backfire by making clients reluctant to use the service or - even worse - developing a negative attitude towards the company.A recent survey by Opera Software (2011) found that Americans fear online privacy violations more than job losses or declaring personal bankruptcy. This had induced politicians to introduce regulations and laws that address online privacy that safeguards consumers against online monitoring, and intrusion into confidential user information. However, privacy online remains a complicated issue for both, managers and politicians for new personalization technology emerges at a much faster pace than political regulations and guidelines.This is the fir...
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  • Bachelor Thesis from the year 2009 in the subject Computer Science - Internet, New Technologies, grade: 1,7, University of Hannover (Knowledge Based Systems Institute), language: English, abstract: Social Web applications are steadily gaining popularity. At the same time, the open nature of such services leads to the exposure of an immense amount of personal data.Due to insucient access control on nowadays Social Web applications problems in terms of privacy arise. This thesis focuses on the need for more exible and negrained privacy restrictions. It analyses privacy problems of current Social Web applications and compares the privacy preferences such applications over. Based on this analysis, this thesis extends the well-known principle of policy-based accesscontrol, which is a exible and dynamic way to dene who can get access to what content based on user preferences. The presented extension accommodates policies to the requirements of the Social Web. In particular, it describes how to exploit Social Semantic Web data for privacy reasoning. This includes the retrieval of Socialand Semantic Web data from various information sources on the Web. It further includes its usage for the denition of privacy policies and its consideration during the policy evaluation. Consequently, using Social Semantic Web data for policy reasoning allows users to exactly dene which social relationships and properties a requester has to have in order to access a particular resource. These condition...
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  • Книга "User Experience Innovation. User Centered Design That Works".
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  • In the increasingly global economy and workplace, the difference in workplace privacy expectations and protections in the United States and Europe stand out. In the United States, privacy protections depend on whether employees have reasonable privacy expectations, but employers are relatively free to destroy actual expectations through notices. In Europe, workplace privacy is not conditioned on employee privacy expectations, but is protected as a matter of public policy. Thus, in Europe - where reasonable privacy expectations are not a condition to privacy protection - employees can actually and reasonably expect workplace privacy, and in the United States - where privacy protections depend on reasonable privacy expectations - employees cannot expect much privacy in practice. This book examines the underlying policy reasons and legal frameworks that control the extent to which employers may monitor their employees, including implications for multinational employers and employees in the United States and Europe.
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