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University of California
(1028 results)-
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The VIKING Project: An Initiative on Resilient Control of Power Networks
May 16, 2009, 12:00am PDT
This paper presents the work on resilient and secure power transmission and distribution developed within the VIKING (Vital Infrastructure, networKs, INformation and control system manaGement)...
Provided by University of California
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White Papers
A Randomized Complexity-Theoretic Model of Bio-Inspired Mobile Epidemics Via Close Contact
May 12, 2008, 12:00am PDT
In this paper the authors present a randomized complexity theoretic model for those epidemics propagated via short-distance close contact. They prove that the contact-based epidemics problems fall...
Provided by University of California
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White Papers
Estimating Time Preferences From Convex Budgets
February 3, 2010, 12:00am PST
Experimentally elicited discount rates are frequently higher than what one would infer from market interest rates and seem unreasonable for economic decision-making. Such high rates have often...
Provided by University of California
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White Papers
Risk Preferences Are Not Time Preferences
January 25, 2010, 12:00am PST
Risk and time are intertwined. The present is known while the future is inherently risky. Discounted expected utility provides a simple, coherent structure for analyzing decisions in...
Provided by University of California
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White Papers
Certain And Uncertain Utility: The Allais Paradox And Five Decision Theory Phenomena
January 27, 2010, 12:00am PST
In the study of decision making under risk, preferences are assumed to be continuous. The authors present a model of discontinuous preferences over certain and uncertain outcomes. Using existing...
Provided by University of California
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White Papers
The Challenge of Heterogeneously Licensed Systems in Open Architecture Software Ecosystems
April 6, 2010, 12:00am PDT
The role of software ecosystems in the development and evolution of open architecture systems has received insufficient consideration. Such systems are composed of heterogeneously licensed...
Provided by University of California
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White Papers
The Role of Software Licenses in Open Architecture Ecosystems
July 3, 2009, 12:00am PDT
The role of software ecosystems in the development and evolution of open architecture systems has received insufficient consideration. Such systems are composed of heterogeneously-licensed...
Provided by University of California
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White Papers
Collaboration Practices and Affordances in Free/Open Source Software Development
December 21, 2009, 12:00am PST
This paper examines collaborative work practices, development processes, project and community dynamics, and other socio-technical relationships in Free and Open Source Software Development...
Provided by University of California
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White Papers
Governance in Open Source Software Development Projects: Towards a Model for Network-Centric Edge Organizations
January 24, 2008, 12:00am PST
Open Source Software Development (OSSD) is a community-oriented, network-centric approach to building complex software systems. OSSD projects are typically organized as edge organizations that...
Provided by University of California
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White Papers
Mapping Global Health Inequalities: Challenges And Opportunities
December 12, 2007, 12:00am PST
Health inequalities both between and within countries persist, for almost all diseases and health problems. Between countries, both average life expectancy and child mortality have improved more...
Provided by University of California
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White Papers
Visualizing Global Inequality On The Web
January 1, 2008, 12:00am PST
In this paper, the authors simplify and enhance the visualization currently supported by the UC Atlas Website for mapping global inequality by creating a simple user interface, supporting time...
Provided by University of California
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White Papers
Essays On The Financial Crisis And Globalization
September 1, 2009, 12:00am PDT
The authors have certainly been living in interesting times. While avoiding the worst connotations of that concept (no global war or other catastrophe), they have seen the fall of communism, the...
Provided by University of California
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White Papers
Tackling Global Inequality In Labor Migration: Diaspora Mechanism And Migration Development Bank
December 9, 2007, 12:00am PST
Globalization is a multifaceted phenomenon, of which temporary labor migration is the most socially profound and economically evident aspect. One of the immediate concerns related to increasing...
Provided by University of California
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White Papers
Mapping Global Inequality With World Society Theory And Social Structural Analysis - Can Worlds Meet?
December 4, 2007, 12:00am PST
Inequality, on both local and national levels as well as globally, cannot be reduced to income inequality. While this insight is less and less disputed in scientific and policy debates, and...
Provided by University of California
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White Papers
Does Global Slack Matter More Than Domestic Slack In Determining U.S. Inflation?
October 17, 2008, 12:00am PDT
This paper employs a structural model to estimate whether global output gap has become an important determinant of U.S. inflation dynamics. The results provide support for the relevance of global...
Provided by University of California
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White Papers
Authentication Without Elision
April 30, 2009, 12:00am PDT
Specification documents for real-world authentication protocols typically mandate some aspects of a protocol's behavior but leave other features optional or undefined. In addition, real-world...
Provided by University of California
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White Papers
A Secure Cryptographic Token Interface
April 22, 2009, 12:00am PDT
Cryptographic keys must be protected from exposure. In real-world applications, they are often guarded by cryptographic tokens that employ sophisticated hardware-security measures. Several logical...
Provided by University of California
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White Papers
Structural Change And Growth In India
February 10, 2010, 12:00am PST
This paper examines the link between structural change and growth in India. It constructs indices of structural change, and performs a time series analysis of the data. It finds that 1988 marks a...
Provided by University of California
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White Papers
Understanding West German Economic Growth In The 1950s
November 18, 2008, 12:00am PST
The authors evaluate explanations for why Germany grew so quickly in the 1950s. The recent literature has emphasized convergence, structural change and institutional shake-up while minimizing the...
Provided by University of California
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White Papers
Vintage Capital Growth Theory: Three Breakthroughs
June 1, 2011, 12:00am PDT
Vintage capital growth models have been at the heart of growth theory in the 60s. This research line collapsed in the late 60s with the so-called embodiment controversy and the technical...
Provided by University of California
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White Papers
Escape From the Computer Lab: Education in Mobile Wireless Networks
July 31, 2007, 12:00am PDT
As mobile wireless network technology becomes widespread, the importance of education about this new form of communication is becoming critical. One of the benefits of mobile computing education...
Provided by University of California
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White Papers
An Intrusion Detection Tool for AODV-Based Ad Hoc Wireless Networks
August 10, 2007, 12:00am PDT
Mobile ad hoc network routing protocols are highly susceptible to subversion. Previous research in securing these protocols has typically used techniques based on encryption and redundant...
Provided by University of California
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White Papers
Secure Group Services for Storage Area Networks
August 22, 2007, 12:00am PDT
Storage Area Networks, with their ability to offer high data availability, reliability and scalability, are a promising solution for the large scale storage needs of many enterprises. As with any...
Provided by University of California
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White Papers
From New Deal Institutions To Capital Markets: Commercial Consumer Risk Scores And The Making Of Subprime Mortgage Finance
February 9, 2009, 12:00am PST
At the tail end of 2006, the 'Subprime' hit the news with a bang when default rates shot up in a segment of mortgage finance that had previously received little attention in mainstream reporting....
Provided by University of California
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Whitepapers
Mining Permission Request Patterns from Android and Facebook Applications
October 8, 2012, 12:00am PDT
Android and Facebook provide third-party applications with access to users' private data and the ability to perform potentially sensitive operations (e.g., post to a user's wall or place phone...
Provided by University of California San Francisco
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White Papers
Racial Exclusion And The Political Economy Of The Subprime Crisis
February 15, 2009, 12:00am PST
This paper develops a political economic explanation of the 2007-09 US subprime crisis which focuses on one of its central causes: the transformation of racial exclusion in US mortgage markets....
Provided by University of California
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Whitepapers
A CCA2 Secure Variant of the McEliece Cryptosystem
June 1, 2012, 12:00am PDT
The McEliece Public-Key Encryption scheme has become an interesting alternative to cryptosystems based on number-theoretical problems. Differently from RSA and ElGamal, McEliece PKC is not known...
Provided by University of California Regents
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Illiquid Financial Markets And Monetary Policy
April 1, 2011, 12:00am PDT
This paper analyzes the role of money in markets where financial investment takes place in a decentralized fashion. A key methodological contribution is the development of a dynamic framework that...
Provided by University of California
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White Papers
Security Investment (Failures) In Five Economic Environments: A Comparison Of Homogeneous And Heterogeneous User Agents
May 29, 2008, 12:00am PDT
Security interactions in networked systems, and the associated user choices, due to their complexity, are notoriously difficult to predict, and sometimes even harder to rationalize. The authors...
Provided by University of California
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White Papers
Fuzzy Math, Disclosure Regulation And Credit Market Outcomes: Evidence From Truth-In-Lending Reform
June 1, 2009, 12:00am PDT
Consumer installment lenders prefer to market "Low monthly payments" and shroud interest rates. Why not voluntarily disclose rates? The authors show that when an interest rate is not disclosed,...
Provided by University of California
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White Papers
Financial Crises, Credit Booms, And External Imbalances: 140 Years Of Lessons
April 13, 2011, 12:00am PDT
Do external imbalances increase the risk of financial crises? In this paper, the authors study the experience of 14 developed countries over 140 years (1870{2008). They exploit their long-run...
Provided by University of California
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White Papers
Modeling and Characterizing User Experience in a Cloud Server Based Mobile Gaming Approach
August 13, 2009, 12:00am PDT
With the evolution of mobile devices and networks, and the growing trend of mobile Internet access, rich, multi-player gaming using mobile devices, similar to PC-based Internet games, has...
Provided by University of California
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White Papers
The Effects Of Monetary Policy "News" And "Surprises"
May 1, 2011, 12:00am PDT
There is substantial agreement in the monetary policy literature over the effects of exogenous monetary policy shocks. The shocks that are investigated, however, almost exclusively represent...
Provided by University of California
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White Papers
Heterogeneity-Aware Resource Allocation and Scheduling in the Cloud
May 20, 2011, 12:00am PDT
Data analytics are key applications running in the cloud computing environment. To improve performance and cost-effectiveness of a data analytics cluster in the cloud, the data analytics system...
Provided by University of California
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White Papers
E-mail4B: An E-mail System for the Developing World
December 1, 2007, 12:00am PST
This paper presents E-mail4B, a prototype e-mail delivery system targeted for developing regions. Effectively deploying networked applications in these challenging environments requires adopting a...
Provided by University of California
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White Papers
DGMonitor: A Performance Monitoring Tool for Sandbox-Based Desktop Grid Platforms
December 1, 2007, 12:00am PST
Accurate, continuous resource monitoring and profiling are critical for enabling performance tuning and scheduling optimization. In desktop grid systems that employ sandboxing, these issues are...
Provided by University of California
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White Papers
Characterizing and Evaluating Desktop Grids: An Empirical Study
December 1, 2007, 12:00am PST
Desktop resources are attractive for running compute-intensive distributed applications. Several systems that aggregate these resources in desktop grids have been developed. While these systems...
Provided by University of California
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White Papers
Bank Competition And Economic Stability: The Role Of Monetary Policy
February 15, 2009, 12:00am PST
This paper analyzes the dual role of monetary policy for economic efficiency and stability in a model of endogenous bank competition. Multiple equilibria emerge from the complementarity between...
Provided by University of California
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White Papers
SenSearch: GPS and Witness Assisted Tracking for Delay Tolerant Sensor Networks
July 10, 2009, 12:00am PDT
This paper describes the design, implementation and performance evaluation of SenSearch, an outdoors, GPS assisted personnel tracking system using MICA motes. SenSearch is a mobile wireless ad-hoc...
Provided by University of California
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White Papers
Good Neighbor: Secure Pairing of Nearby Wireless Devices by Multiple Antennas
December 7, 2010, 12:00am PST
The proliferation of personal wireless devices requires secure connection between them. While it is easy to securely pair electronic devices by wires, it is very challenging to pair them...
Provided by University of California
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White Papers
Ad as You Go: A Study of Ad Placement on Personal Navigation Devices
May 15, 2009, 12:00am PDT
Mobile advertising (M-advertising) is an emergent trend in the marketing world. "M-advertising enables not only the sending of unique, personalized, and customized adverts, but also the ability to...
Provided by University of California
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White Papers
Interpersonal Privacy Management in Distributed Collaboration: Situational Characteristics and Interpretive Influences
April 15, 2009, 12:00am PDT
To understand how collaborators reconcile the often conflicting needs of awareness and privacy, the authors studied a large software development project in a multinational corporation involving...
Provided by University of California
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White Papers
Facilitating Controlled Tests of Website Design Changes: A Systematic Approach
April 15, 2009, 12:00am PDT
Controlled online experiments in which envisaged changes to a web site 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
Technical Solutions for Privacy-Enhanced Personalization
January 21, 2008, 12:00am PST
This chapter presents a first-of-its-kind survey that systematically analyzes existing Privacy-Enhanced Personalization (PEP) solutions and their underlying privacy protection techniques. The...
Provided by University of California
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White Papers
Respecting User's Individual Privacy Constraints in Web Personalization
October 12, 2007, 12:00am PDT
Web personalization has demonstrated to be advantageous for both online customers and vendors. However, its benefits may be severely counteracted by privacy constraints. Personalized systems need...
Provided by University of California
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White Papers
Privacy-Enhanced Web Personalization
October 12, 2008, 12:00am PDT
Consumer studies demonstrate that online users value personalized content. At the same time, providing personalization on websites seems quite profitable for web vendors. This win-win situation is...
Provided by University of California
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White Papers
The Case for Efficient File Access Pattern Modeling
January 1, 2011, 12:00am PST
Most modern I/O systems treat each file access independently. However, events in a computer system are driven by programs. Thus, accesses to files occur in consistent patterns and are by no means...
Provided by University of California
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White Papers
Incorporating Integrity Constraints in Uncertain Databases
July 9, 2009, 12:00am PDT
The authors develop an approach to incorporate additional knowledge, in the form of general-purpose Integrity Constraints (ICs), to reduce uncertainty in probabilistic databases. While...
Provided by University of California
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White Papers
Distributed Random Access Algorithm: Scheduling and Congesion Control
September 7, 2009, 12:00am PDT
This paper provides proofs of the rate stability, Harris recurrence, and å-optimality of CSMA algorithms where the backoff parameter of each node is based on its backlog. These algorithms require...
Provided by University of California
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White Papers
Statistical Analysis of Privacy and Anonymity Guarantees in Randomized Security Protocol Implementations
June 27, 2009, 12:00am PDT
Security protocols often use randomization to achieve probabilistic non-determinism. This non-determinism, in turn, is used in obfuscating the dependence of observable values on secret data. Since...
Provided by University of California
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White Papers
Reducing Transient Disconnectivity Using Anomaly- Cognizant Forwarding
September 18, 2008, 12:00am PDT
It is well known that BGP convergence can cause widespread temporary losses of connectivity resulting from inconsistent routing state. In this paper, the authors present Anomaly-Cognizant...
Provided by University of California
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White Papers
Identifying BGP Routing Table Transfers
September 17, 2010, 12:00am PDT
BGP routing updates collected by monitoring projects such as RouteViews and RIPE have been a vital source to the understanding of the global routing system. However the collected BGP data contains...
Provided by University of California
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White Papers
A Measurement Driven, 802.11 Anti-Jamming System
June 16, 2009, 12:00am PDT
Dense, unmanaged 802.11 deployments tempt saboteurs into launching jamming attacks by injecting malicious interference. Nowadays, jammers can be portable devices that transmit intermittently at...
Provided by University of California
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White Papers
Pipelined Algorithms to Detect Cheating in Long-Term Grid Computations
June 5, 2009, 12:00am PDT
This paper studies pipelined algorithms for protecting distributed grid computations from cheating participants, who wish to be rewarded for tasks they receive but don't perform. The authors...
Provided by University of California
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White Papers
Medium Access Control Protocols With Memory
January 8, 2009, 12:00am PST
Many existing Medium Access Control (MAC) protocols utilize past information (e.g., the results of transmission attempts) to adjust the transmission parameters of users. This paper provides a...
Provided by University of California
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White Papers
Compiled Hardware Acceleration of Molecular Dynamics Code
September 1, 2008, 12:00am PDT
The objective of Molecular Dynamics (MD) simulations is to determine the shape of a molecule in a given biomolecular environment. These simulations are very demanding computationally, where...
Provided by University of California
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White Papers
Accelerating Dynamic Time Warping Subsequence Search With GPUs and FPGAs
December 1, 2010, 12:00am PST
Many time series data mining problems require subsequence similarity search as a subroutine. Dozens of similarity/distance measures have been proposed in the last decade and there is increasing...
Provided by University of California
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White Papers
Designing Modular Hardware Accelerators in C With ROCCC 2.0
May 1, 2010, 12:00am PDT
While FPGA-based hardware accelerators have repeatedly been demonstrated as a viable option, their programmability remains a major barrier to their wider acceptance by application code developers....
Provided by University of California
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White Papers
Algorithm Differentiation in Lisp: ADIL
September 4, 2009, 12:00am PDT
Algorithm differentiation is a technique used to take a program F computing a numerical function of one argument F(x) and transform it into another program G that returns a pair, hF0(x), F(x)i...
Provided by University of California
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White Papers
Structural Solutions for Cross-Layer Optimization of Wireless Multimedia Transmission
May 23, 2009, 12:00am PDT
In this paper, the authors propose a systematic solution to the problem of cross-layer optimization for delay-sensitive media transmission over time-varying wireless channels as well as...
Provided by University of California
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White Papers
Password-Protected Secret Sharing
November 3, 2010, 12:00am PDT
A user of computing technology, let's call her Alice, needs to store her valuable and private data, including texts, images, passwords, or cryptographic keys, on her personal device. Alice's...
Provided by University of California
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White Papers
Efficient Techniques for Privacy-Preserving Sharing of Sensitive Information
April 18, 2011, 12:00am PDT
The need for controlled (privacy-preserving) sharing of sensitive information occurs in many different and realistic everyday scenarios, ranging from national security to social networking. A...
Provided by University of California
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White Papers
Improved Adaptive Group Testing Algorithms With Applications to Multiple Access Channels and Dead Sensor Diagnosis
May 12, 2009, 12:00am PDT
The authors study group-testing algorithms for resolving broadcast conflicts on a Multiple Access Channel (MAC) and for identifying the dead sensors in a mobile ad hoc wireless network. In...
Provided by University of California
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White Papers
An Efficient Dynamic and Distributed RSA Accumulator
May 8, 2009, 12:00am PDT
The authors show how to use the RSA one-way accumulator to realize an efficient and dynamic authenticated dictionary, where untrusted directories provide cryptographically verifiable answers to...
Provided by University of California
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White Papers
Degenerate 3D Tensors
January 1, 2011, 12:00am PST
Topological analysis of 3D tensor fields starts with the identification of degeneracies in the tensor field. In this paper, the authors present a new, intuitive and numerically stable method for...
Provided by University of California
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White Papers
Evaluation of Marton's Inner Bound for the General Broadcast Channel
November 11, 2009, 12:00am PST
The best known inner bound on the two-receiver general broadcast channel without a common message is due to Marton. This result was subsequently generalized in to broadcast channels with a common...
Provided by University of California
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White Papers
Opportunistic Spatial Orthogonalization and Its Application in Fading Cognitive Radio Networks
April 28, 2009, 12:00am PDT
Opportunistic Spatial Orthogonalization (OSO) is a cognitive radio scheme that allows the existence of secondary users and hence increases the system throughput, even if the primary user occupies...
Provided by University of California
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White Papers
Guarded Resolution for Answer Set Programming
February 21, 2009, 12:00am PST
The authors investigate a proof system based on a guarded resolution rule and show its adequacy for stable semantics of normal logic programs. As a consequence, they show that Gelfond-Lifschitz...
Provided by University of California
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White Papers
Tracking Information Flow at the Gate-Level for Secure Architectures
December 18, 2009, 12:00am PST
Many critical systems require tight guarantees on the flow of information, for example when handling secret cryptographic keys or critical avionics data. Unfortunately, even understanding the true...
Provided by University of California
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White Papers
Quantifying the Potential of Program Analysis Peripherals
January 1, 2011, 12:00am PST
As programmers are asked to manage more complicated parallel machines, it is likely that they will become increasingly dependent on tools such as multi-threaded data race detectors, memory bounds...
Provided by University of California
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White Papers
Metric Based Multi-Timescale Control for Reducing Power in Embedded Systems
October 23, 2008, 12:00am PDT
Digital control for embedded systems often requires low-power, hard real-time computation to satisfy high control-loop bandwidth, low latency, and low-power requirements. In particular, the...
Provided by University of California
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White Papers
Enforcing Memory Policy Specifications in Reconfigurable Hardware
January 31, 2008, 12:00am PST
While general-purpose processor based systems are built to enforce memory protection to prevent the unintended sharing of data between processes, current systems built around reconfigurable...
Provided by University of California
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White Papers
A Small Cache of Large Ranges: Hardware Methods for Efficiently Searching, Storing, and Updating Big Dataflow Tags
September 5, 2008, 12:00am PDT
Dynamically tracking the flow of data within a microprocessor creates many new opportunities to detect and track malicious or erroneous behavior, but these schemes all rely on the ability to...
Provided by University of California
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White Papers
Managing Security in FPGA-Based Embedded Systems
December 31, 2008, 12:00am PST
FPGAs combine the programmability of processors with the performance of custom hardware. As they become more common in critical embedded systems, new techniques are necessary to manage security in...
Provided by University of California
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White Papers
Whiteboards That Compute: A Workload Analysis
July 7, 2008, 12:00am PDT
A whiteboard that automatically identifies drawn strokes, interprets them in context, and augments drawn images with computational results, such as solutions to mathematical equations or results...
Provided by University of California
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White Papers
Exploring the Processor and ISA Design for Wireless Sensor Network Applications
October 26, 2007, 12:00am PDT
Power consumption, physical size, and architecture design of sensor node processors have been the focus of sensor network research in the architecture community. What lies at the foundation for...
Provided by University of California
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White Papers
Addressing the Challenges of Synchronization/Communication and Debugging Support in Hardware/Software Cosimulation
October 25, 2007, 12:00am PDT
With increasing adoption of Electronic System Level (ESL) tools, effective design and validation time has reduced to a considerable extent. Cosimulation is found to be a principal component of ESL...
Provided by University of California
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White Papers
Guiding Architectural SRAM Models
January 1, 2011, 12:00am PST
Caches, block memories, predictors, state tables, and other forms of on-chip memory are continuing to consume a greater portion of processor designs with each passing year. Making good...
Provided by University of California
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White Papers
Efficient Remote Profiling for Resource-Constrained Devices
January 1, 2011, 12:00am PST
The widespread use of ubiquitous, mobile, and continuously-connected computing agents has inspired software developers to change the way they test, debug, and optimize software. Users now play an...
Provided by University of California
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White Papers
Dynamic Multi-Vehicle Routing With Multiple Classes of Demands
March 16, 2009, 12:00am PDT
In this paper the authors study a dynamic vehicle routing problem in which there are multiple vehicles and multiple classes of demands. Demands of each class arrive in the environment randomly...
Provided by University of California
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