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Haas School of Business, University of California at Berkeley
(1028 results)-
White Papers
A Framework for Analysis of 2D Platformer Levels
July 7, 2008, 12:00am PDT
Levels are the space where a player explores the rules and mechanics of a game; as such, good level design is critical to the game design process. While there are many broad design principles,...
Provided by University of California
-
White Papers
SOAs for Scientific Applications: Experiences and Challenges
July 26, 2007, 12:00am PDT
Over the past several years, with the advent of the Open Grid Services Architecture (OGSA) and the Web Services Resource Framework (WSRF), Service-Oriented Architectures (SOA) and Web service...
Provided by University of California
-
White Papers
Perspectives on Transactional Memory
June 10, 2009, 12:00am PDT
The authors examine the role of transactional memory from two perspectives: That of a programming language with atomic actions and that of implementations of the language. They argue that it is...
Provided by University of California
-
White Papers
A Model of Dynamic Separation for Transactional Memory
July 8, 2009, 12:00am PDT
Dynamic separation is a new programming discipline for systems with transactional memory. The authors study it formally in the setting of a small calculus with transactions. They provide a precise...
Provided by University of California
-
White Papers
A General Class of Throughput Optimal Routing Policies in Multi-Hop Wireless Networks
March 10, 2011, 12:00am PST
This paper considers the problem of throughput optimal routing/scheduling in a multi-hop constrained queueing network with random connectivity whose special case includes opportunistic multi-hop...
Provided by University of California
-
White Papers
How Small Are Building Blocks of Complex Networks
August 8, 2009, 12:00am PDT
Network motifs are small building blocks of complex networks, such as gene regulatory networks. The frequent appearance of a motif may be an indication of some network-specific utility for that...
Provided by University of California
-
White Papers
Efficient Authenticated Data Structures for Graph Connectivity and Geometric Search Problems
August 28, 2009, 12:00am PDT
Authenticated data structures provide cryptographic proofs that their answers are as accurate as the author intended, even if the data structure is being controlled by a remote untrusted host. In...
Provided by University of California
-
White Papers
Robust Computational Secret Sharing and a Unified Account of Classical Secret-Sharing Goals
August 14, 2007, 12:00am PDT
The authors give a unified account of classical secret-sharing goals from a modern cryptographic vantage. The treatment encompasses perfect, statistical, and computational secret sharing; static...
Provided by University of California
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White Papers
The Single Source Two Terminal Network With Network Coding
August 20, 2009, 12:00am PDT
The authors consider a communication network with a single source that has a set of messages and two terminals where each terminal is interested in an arbitrary subset of messages at the source. A...
Provided by University of California
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White Papers
Dynamic Egocentric Models for Citation Networks
May 5, 2011, 12:00am PDT
The analysis of the formation and evolution of networks over time is of fundamental importance to social science, biology, and many other fields. While longitudinal network data sets are...
Provided by University of California
-
White Papers
A Disruption-Tolerant Architecture for Secure and Efficient Disaster Response Communications
March 26, 2010, 12:00am PDT
The authors consider the problem of providing situational awareness when citizens in a disaster are willing to contribute their own devices, such as laptops and smart phones, to gather data (text,...
Provided by University of California
-
White Papers
Harvesting SSL Certificate Data to Identify Web-Fraud
December 15, 2009, 12:00am PST
Web-fraud is one of the most unpleasant features of today's Internet. Two eminent examples of web-fraudulent activities are phishing and typosquatting. Their effects range from relatively benign...
Provided by University of California
-
White Papers
On Degrees of Freedom Region of MIMO Networks Without CSIT
September 22, 2009, 12:00am PDT
In this paper, the authors study the effect of the absence of channel knowledge for Multiple-Input-Multiple-Output (MIMO) networks. Specifically, they assume perfect channel state information at...
Provided by University of California
-
White Papers
Sovereign Debt, Default And Renegotiation With Endogenous Financial Contracting
November 1, 2007, 12:00am PDT
This paper reconsiders the theory of sovereign debt, default and renegotiation in a setting that motivates conventional bond finance. A tax-smoothing model of government borrowing on international...
Provided by University of California
-
White Papers
Energy Conservation in Datacenters Through Cluster Memory Management and Barely-Alive Memory Servers
January 1, 2011, 12:00am PST
As a result of current resource provisioning schemes in Internet services, servers end up less than 50% utilized almost all the time. At this level of utilization, the servers' energy efficiency...
Provided by University of California
-
White Papers
Evidence On Simulation Inference For Near Unit-Root Processes With Implications For Term Structure Estimation
July 18, 2007, 12:00am PDT
The high persistence of interest rates has important implications for the preferred method used to estimate term structure models. The authors study the finite-sample properties of two standard...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Revisiting Asset Pricing Anomalies In An Exchange Economy
May 26, 2010, 12:00am PDT
The authors show that several well-known asset pricing anomalies are largely mitigated if they endow the representative agent with an arbitrarily small minimum consumption level. This allows them...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Banking And Asset Prices In A Flexible-Tree Economy
January 15, 2010, 12:00am PST
The authors embed the notion of banks as monitors who reduce risk into a "Two-trees" framework, and consider an economy in which capital can be moved between the trees. They characterize how...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Libertarian Paternalism And Information Sharing
November 29, 2009, 12:00am PST
The authors develop a theoretical model to study the effects of libertarian paternalism on knowledge acquisition and social learning. Individuals in the model are permitted to appreciate and use...
Provided by University of California
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White Papers
External Double Hashing With Choice
January 1, 2011, 12:00am PST
A novel extension to external double hashing providing significant reduction to both successful and unsuccessful search lengths is presented. The experimental and analytical results demonstrate...
Provided by University of California
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White Papers
Practical Rate and Route Adaptation With Efficient Link Quality Estimation for IEEE 802.11b/g Multi-Hop Networks
February 18, 2010, 12:00am PST
Accurate and fast Packet Delivery Ratio (PDR) estimation, used in evaluating wireless link quality, is a prerequisite to increase the performance of multi-hop and multi-rate IEEE 802.11 wireless...
Provided by University of California
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White Papers
Loop-Extended Symbolic Execution on Binary Programs
March 2, 2009, 12:00am PST
Mixed concrete and symbolic execution is an important technique for finding and understanding software bugs, including security relevant ones. However, existing symbolic execution techniques are...
Provided by University of California
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White Papers
Measuring Channel Capacity to Distinguish Undue Influence
April 7, 2009, 12:00am PDT
The channel capacity of a program is a quantitative measure of the amount of control that the inputs to a program have over its outputs. Because it corresponds to worst-case assumptions about the...
Provided by University of California
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White Papers
Looking for Diamonds in the Desert - Extending Automatic Protocol Generation to Three-Party Authentication and Key Agreement Protocols
January 1, 2011, 12:00am PST
The current process of designing a security protocol is usually ad-hoc and involves little formalism and mechanical assistance. Such a design process is not only slow but also error-prone....
Provided by University of California
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White Papers
Timing Analysis of Keystrokes and Timing Attacks on SSH
January 1, 2011, 12:00am PST
SSH is designed to provide a secure channel between two hosts. Despite the encryption and authentication mechanisms it uses, SSH has two weakness: First, the transmitted packets are padded only to...
Provided by University of California
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White Papers
Utility of Beamforming Strategies for Secrecy in Multiuser MIMO Wiretap Channels
October 14, 2009, 12:00am PDT
This paper examines linear beamforming methods for secure communications in a multiuser wiretap channel with a single transmitter, multiple legitimate receivers, and a single eavesdropper, where...
Provided by University of California
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White Papers
A Simple Conceptual Generator for the Internet Graph
November 3, 2009, 12:00am PST
The evolution of the Internet during the last years, has lead to a dramatic increase of the size of its graph at the Autonomous System (AS) level. Soon - if not already - its size will make the...
Provided by University of California
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White Papers
Predictable Programming on a Precision Timed Architecture
April 18, 2008, 12:00am PDT
In a hard real-time embedded system, the time at which a result is computed is as important as the result itself. Modern processors go to extreme lengths to ensure their function is predictable,...
Provided by University of California
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White Papers
Feeds as Query Result Serializations
November 11, 2009, 12:00am PST
Many Web-based data sources and services are available as feeds, a model that provides consumers with a loosely coupled way of interacting with providers. The current feed model is limited in its...
Provided by University of California
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White Papers
Commonality In Misvaluation, Equity Financing, And The Cross Section Of Stock Returns
July 31, 2007, 12:00am PDT
Behavioral theories suggest that investor misperceptions and market mispricing will be correlated across firms. This paper tests how equity financing identifies commonality in stock misvaluation....
Provided by University of California
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White Papers
The SQL-Based All-Declarative FORWARD Web Application Development Framework
January 12, 2011, 12:00am PST
The vast majority of database-driven web applications perform, at a logical level, fundamentally simple Insert/Update/Delete commands. In response to a user action on the browser, the web...
Provided by University of California
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White Papers
Comprehending Environmental And Economic Sustainability: Comparative Analysis Of Stability Principles In The Biosphere And Free Market Economy
July 15, 2010, 12:00am PDT
Using the formalism of Lyapunov potential function it is shown that the stability principles for biomass in the ecosystem and for employment in economics are mathematically similar. The ecosystem...
Provided by University of California
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White Papers
Exploring the Relationship Between Web Application Development Tools and Security
May 2, 2011, 12:00am PDT
How should software engineers choose which tools to use to develop secure web applications? Different developers have different opinions regarding which language, framework, or...
Provided by University of California
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White Papers
Preventing Capability Leaks in Secure JavaScript Subsets
January 3, 2010, 12:00am PST
Publishers wish to sandbox third-party advertisements to protect themselves from malicious advertisements. One promising approach used by ADsafe, Dojo Secure, and Jacaranda, sandboxes...
Provided by University of California
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White Papers
Achieving Linear Scaling With Interference Alignment
May 1, 2009, 12:00am PDT
Recent results have shown that interference alignment can achieve K/2 degrees of freedom in a K-user interference channel with time or frequency varying channel coefficients. For fixed number of...
Provided by University of California
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White Papers
Cryptographic Voting Protocols: A Systems Perspective
January 1, 2011, 12:00am PST
Cryptographic voting protocols offer the promise of verifiable voting without needing to trust the integrity of any software in the system. However, these cryptographic protocols are only one part...
Provided by University of California
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White Papers
Distillation Codes and Applications to DoS Resistant Multicast Authentication
January 1, 2011, 12:00am PST
The authors introduce distillation codes, a method for streaming and storing data. Like erasure codes, distillation codes allow information to be decoded from a sufficiently large quorum of...
Provided by University of California
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White Papers
Hidden Markov Model Cryptanalysis
January 1, 2011, 12:00am PST
The authors present HMM attacks, a new type of cryptanalysis based on modeling randomized side channel countermeasures as Hidden Markov Models (HMM's). They also introduce Input Driven Hidden...
Provided by University of California
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White Papers
A User Study Design for Comparing the Security of Registration Protocols
April 1, 2008, 12:00am PDT
This paper presents the design of a user study to compare the security properties of two mechanisms for addressing the registration problem in machine authentication systems, identifies several...
Provided by University of California
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White Papers
Breath: A Self-Adapting Protocol for Wireless Sensor Networks in Control and Automation
March 28, 2008, 12:00am PDT
The novel cross-layer protocol Breath for wireless sensor networks is designed, implemented, and experimentally evaluated. The Breath protocol is based on randomized routing, MAC and duty-cycling,...
Provided by University of California
-
White Papers
Banking And Asset Prices In A Flexible-Tree Economy
January 15, 2010, 12:00am PST
The authors embed the notion of banks as monitors who reduce risk into a "Two-trees" framework, and consider an economy in which capital can be moved between the trees. They characterize how...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Revisiting Asset Pricing Anomalies In An Exchange Economy
May 26, 2010, 12:00am PDT
The authors show that several well-known asset pricing anomalies are largely mitigated if they endow the representative agent with an arbitrarily small minimum consumption level. This allows them...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Evidence On Simulation Inference For Near Unit-Root Processes With Implications For Term Structure Estimation
July 18, 2007, 12:00am PDT
The high persistence of interest rates has important implications for the preferred method used to estimate term structure models. The authors study the finite-sample properties of two standard...
Provided by Haas School of Business, University of California at Berkeley
-
White Papers
Energy Conservation in Datacenters Through Cluster Memory Management and Barely-Alive Memory Servers
January 1, 2011, 12:00am PST
As a result of current resource provisioning schemes in Internet services, servers end up less than 50% utilized almost all the time. At this level of utilization, the servers' energy efficiency...
Provided by University of California
-
White Papers
Sovereign Debt, Default And Renegotiation With Endogenous Financial Contracting
November 1, 2007, 12:00am PDT
This paper reconsiders the theory of sovereign debt, default and renegotiation in a setting that motivates conventional bond finance. A tax-smoothing model of government borrowing on international...
Provided by University of California
-
White Papers
On Degrees of Freedom Region of MIMO Networks Without CSIT
September 22, 2009, 12:00am PDT
In this paper, the authors study the effect of the absence of channel knowledge for Multiple-Input-Multiple-Output (MIMO) networks. Specifically, they assume perfect channel state information at...
Provided by University of California
-
White Papers
Harvesting SSL Certificate Data to Identify Web-Fraud
December 15, 2009, 12:00am PST
Web-fraud is one of the most unpleasant features of today's Internet. Two eminent examples of web-fraudulent activities are phishing and typosquatting. Their effects range from relatively benign...
Provided by University of California
-
White Papers
A Disruption-Tolerant Architecture for Secure and Efficient Disaster Response Communications
March 26, 2010, 12:00am PDT
The authors consider the problem of providing situational awareness when citizens in a disaster are willing to contribute their own devices, such as laptops and smart phones, to gather data (text,...
Provided by University of California
-
White Papers
Dynamic Egocentric Models for Citation Networks
May 5, 2011, 12:00am PDT
The analysis of the formation and evolution of networks over time is of fundamental importance to social science, biology, and many other fields. While longitudinal network data sets are...
Provided by University of California
-
White Papers
The Single Source Two Terminal Network With Network Coding
August 20, 2009, 12:00am PDT
The authors consider a communication network with a single source that has a set of messages and two terminals where each terminal is interested in an arbitrary subset of messages at the source. A...
Provided by University of California
-
White Papers
Robust Computational Secret Sharing and a Unified Account of Classical Secret-Sharing Goals
August 14, 2007, 12:00am PDT
The authors give a unified account of classical secret-sharing goals from a modern cryptographic vantage. The treatment encompasses perfect, statistical, and computational secret sharing; static...
Provided by University of California
-
White Papers
Efficient Authenticated Data Structures for Graph Connectivity and Geometric Search Problems
August 28, 2009, 12:00am PDT
Authenticated data structures provide cryptographic proofs that their answers are as accurate as the author intended, even if the data structure is being controlled by a remote untrusted host. In...
Provided by University of California
-
White Papers
How Small Are Building Blocks of Complex Networks
August 8, 2009, 12:00am PDT
Network motifs are small building blocks of complex networks, such as gene regulatory networks. The frequent appearance of a motif may be an indication of some network-specific utility for that...
Provided by University of California
-
White Papers
A General Class of Throughput Optimal Routing Policies in Multi-Hop Wireless Networks
March 10, 2011, 12:00am PST
This paper considers the problem of throughput optimal routing/scheduling in a multi-hop constrained queueing network with random connectivity whose special case includes opportunistic multi-hop...
Provided by University of California
-
White Papers
A Model of Dynamic Separation for Transactional Memory
July 8, 2009, 12:00am PDT
Dynamic separation is a new programming discipline for systems with transactional memory. The authors study it formally in the setting of a small calculus with transactions. They provide a precise...
Provided by University of California
-
White Papers
Perspectives on Transactional Memory
June 10, 2009, 12:00am PDT
The authors examine the role of transactional memory from two perspectives: That of a programming language with atomic actions and that of implementations of the language. They argue that it is...
Provided by University of California
-
White Papers
SOAs for Scientific Applications: Experiences and Challenges
July 26, 2007, 12:00am PDT
Over the past several years, with the advent of the Open Grid Services Architecture (OGSA) and the Web Services Resource Framework (WSRF), Service-Oriented Architectures (SOA) and Web service...
Provided by University of California
-
White Papers
A Framework for Analysis of 2D Platformer Levels
July 7, 2008, 12:00am PDT
Levels are the space where a player explores the rules and mechanics of a game; as such, good level design is critical to the game design process. While there are many broad design principles,...
Provided by University of California
-
White Papers
Kenyon-Web: Reconfigurable Web-Based Feature Extractor
March 14, 2009, 12:00am PDT
Research on Mining Software Repositories (MSR) has yielded fruitful results in many Software Engineering areas including software change comprehension, bug prediction, and developer network...
Provided by University of California
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White Papers
Rhizome: A Feature Modeling and Generation Platform
July 18, 2008, 12:00am PDT
Rhizome is an end-to-end feature modeling and code generation platform that includes a Feature Modeling Language (FeatureML), a template language (MarkerML) and a template-based code generator. A...
Provided by University of California
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White Papers
Clones: What is that Smell?
March 29, 2010, 12:00am PDT
Clones are generally considered bad programming practice in software engineering folklore. They are identified as a bad smell and a major contributor to project maintenance difficulties. Clones...
Provided by University of California
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White Papers
Validity of Network Analyses in Open Source Projects
March 29, 2010, 12:00am PDT
Social network methods are frequently used to analyze networks derived from Open Source Project communication and collaboration data. Such studies typically discover patterns in the information...
Provided by University of California
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White Papers
Structure and Dynamics of Research Collaboration in Computer Science
October 10, 2008, 12:00am PDT
Complex systems exhibit emergent patterns of behavior at different levels of organization. Powerful network analysis methods, developed in physics and social sciences, have been successfully used...
Provided by University of California
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White Papers
Putting it All Together: Using Socio-Technical Networks to Predict Failures
November 30, 2009, 12:00am PST
Studies have shown that social factors in development organizations have a dramatic effect on software quality. Separately, program dependency information has also been used successfully to...
Provided by University of California
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White Papers
Does Distributed Development Affect Software Quality? An Empirical Case Study of Windows Vista
February 20, 2009, 12:00am PST
It is widely believed that distributed software development is riskier and more challenging than collocated development. Prior literature on distributed development in software engineering and...
Provided by University of California
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White Papers
Quantitative Study of Open Source Immigration
May 18, 2007, 12:00am PDT
Open source software is built by teams of volunteers. Each project has a core team of developers who have the authority to commit changes to the repository; this team is the elite core of the...
Provided by University of California
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White Papers
Pseudo-IP: Providing a Thin Network Layer Protocol for Semi-IntelligentWireless Devices
January 1, 2011, 12:00am PST
In the near future users will be able to move freely and still have seamless network and Internet connectivity. The authors envision that the Internet of the future will interconnect mobile or...
Provided by University of California
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White Papers
Evaluating the Impact of Irrecoverable Read Errors on Disk Array Reliability
August 1, 2009, 12:00am PDT
The authors investigate the impact of irrecoverable read errors - also known as bad blocks - on the MTTDL of mirrored disks, RAID level 5 arrays and RAID level 6 arrays. The study is based on the...
Provided by University of California
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White Papers
Progressive Parity-Based Hardening of Data Stores
November 15, 2008, 12:00am PST
The authors propose the use of parity-based redundant data layouts of increasing reliability as a means to progressively harden data archives. They evaluate the reliability of two such layouts and...
Provided by University of California
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White Papers
Finding and Reproducing Heisenbugs in Concurrent Programs
November 3, 2008, 12:00am PST
Concurrency is pervasive in large systems. Unexpected interference among threads often results in "Heisenbugs" that are extremely difficult to reproduce and eliminate. The authors have implemented...
Provided by University of California
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White Papers
Visualizing Online News Reporting For Public Display
January 1, 2011, 12:00am PST
The authors describe the iterative design and implementation of "Spheres of Influence," an interactive digital multimedia installation in a public space that visualizes the spatial, temporal, and...
Provided by University of California
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White Papers
XML-Based Computation for Scientific Workflows
October 18, 2009, 12:00am PDT
Scientific workflows are increasingly used for rapid integration of existing algorithms to form larger and more complex programs. Such workflows promise to provide more abstract, yet executable...
Provided by University of California
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White Papers
Remote Incremental Linking for Energy-Efficient Reprogramming of Sensor Networks
January 1, 2011, 12:00am PST
With sensor networks expected to be deployed for long periods of time, the ability to reprogram them remotely is necessary for providing new services, fixing bugs, and enhancing applications and...
Provided by University of California
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White Papers
Balancing Computation and Code Distribution Costs: The Case for Hybrid Execution in Sensor Networks
January 1, 2011, 12:00am PST
Virtual Machines (VM) are promising as system software in networks of embedded systems and pervasive computing spaces. VMs facilitate the development of platform-independent applications with...
Provided by University of California
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White Papers
Enhancing Privacy Management Support in Instant Messaging
October 20, 2009, 12:00am PDT
Instant Messaging (IM) is a useful tool for collaborative work. However, the awareness and communication features of IM pose a tension with privacy desires. In-adequate support for managing...
Provided by University of California
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White Papers
Why Is Evaluating Usability of Privacy Designs so Hard? Lessons Learned From a User Study of PRISM
January 28, 2009, 12:00am PST
Privacy is a thorny issue that affects all information systems designed for interpersonal interaction and awareness. Theoretical insights regarding privacy and user experience in a variety of...
Provided by University of California
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White Papers
Performance Evaluation of a Privacy-Enhancing Framework for Personalized Websites
April 2, 2009, 12:00am PDT
Reconciling personalization with privacy has been a continuing interest in the user modeling community. In prior work, the authors proposed a dynamic privacy-enhancing user modeling framework...
Provided by University of California
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White Papers
Facilitating Controlled Tests of Website Design Changes Using Aspect-Oriented Software Development and Software Product Lines
April 27, 2009, 12:00am PDT
Controlled online experiments in which envisaged changes to a website are first tested live with a small subset of site visitors have proven to predict the effects of these changes quite...
Provided by University of California
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White Papers
Privacy in Online Social Networking at Workplace
December 11, 2009, 12:00am PST
Employees using Social Network Sites (SNS) at workplace is a fact. As companies are further embracing social networks, how if at all does this practice affect the work dynamics? While privacy has...
Provided by University of California
-
White Papers
Serial Hook-Ups: A Comparative Usability Study of Secure Device Pairing Methods
July 17, 2009, 12:00am PDT
Secure Device Pairing is the bootstrapping of secure communication between two previously unassociated devices over a wireless channel. The human-imperceptible nature of wireless communication,...
Provided by University of California
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