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Duke University
(170 results)-
White Papers
Autonomic Cloud Network Orchestration: A GENI Perspective
July 2, 2010, 12:00am PDT
Pervasive virtualization at the edge and in the network core drives the evolution of the IT infrastructure towards a service-oriented model. It permits a move from static arrangements of resources...
Provided by Duke University
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White Papers
EnLoc: Energy-Efficient Localization for Mobile Phones
January 22, 2009, 12:00am PST
A growing number of mobile phone applications utilize physical location to express the context of information. Most of these location-based applications assume GPS capabilities. Unfortunately, GPS...
Provided by Duke University (Fuqua-Global)
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White Papers
Reflective Control for an Elastic Cloud Application: An Automated Experiment Workbench
May 27, 2007, 12:00am PDT
This paper addresses "Reflective" control for applications that use server resources from a shared cloud infrastructure opportunistically. In this approach, an external reflective controller...
Provided by Duke University (Fuqua-Global)
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White Papers
Considerations for Selecting a Programming Language to Teach Perspective Teachers
June 5, 2009, 12:00am PDT
Academic technology programs often struggle with the selection of a programming language for entry level programming courses. An entry level programming course can serve as a launching pad for...
Provided by Duke University (Fuqua-Global)
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Whitepapers
Finding Good Configurations in High-Dimensional Spaces: Doing More With Less
June 21, 2008, 12:00am PDT
Manually tuning tens to hundreds of configuration parameters in a complex software system like a database or an application server is an arduous task. Recent work has looked into automated...
Provided by Duke University
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Whitepapers
Guided Problem Diagnosis Through Active Learning
April 8, 2008, 12:00am PDT
There is widespread interest today in developing tools that can diagnose the cause of a system failure accurately and efficiently based on monitoring data collected from the system. Over time, the...
Provided by Duke University
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Whitepapers
Dealing Proactively With Data Corruption: Challenges and Opportunities
May 22, 2011, 12:00am PDT
The danger of production or backup data becoming corrupted is a problem that database administrators dread. This paper aims to bring this problem to the attention of the database research...
Provided by Duke University
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Whitepapers
Automated Experiment-Driven Management of (Database) Systems
April 20, 2009, 12:00am PDT
In this paper, the authors argue that an important piece of the system administration puzzle has largely been left untouched by researchers. This piece involves mechanisms and policies to identify...
Provided by Duke University
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White Papers
A Note On The Economics And Statistics Of Predictability: A Long Run Risks Perspective
November 14, 2007, 12:00am PST
Asset return and cash flow predictability is of considerable interest in financial economics. The debate regarding return and cash flow predictability has been at center stage in finance for...
Provided by Duke University (Fuqua-Global)
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White Papers
How Active Collaboration Affects Innovation Adoption By Weaker And Stronger Firms
July 25, 2009, 12:00am PDT
Existing research fails to explain why firms with weaker capabilities sometimes reach innovation adoption levels similar to those of their stronger competitors, even for competence enhancing...
Provided by Duke University (Fuqua-Global)
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White Papers
Learning, Long-Run Risks And Asset Price Jumps
January 1, 2008, 12:00am PST
The authors develop a long-run risks based general equilibrium model in which asset prices exhibit large infrequent moves (i.e. jumps), similar to those observed in the data. Investors in this...
Provided by Duke University (Fuqua-Global)
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White Papers
Risks For The Long Run: Estimation And Inference
September 1, 2007, 12:00am PDT
This paper empirically evaluates the ability of the long-run risks model to explain asset returns. Exploiting asset pricing Euler equations this paper shows methods developed for estimating the...
Provided by Duke University (Fuqua-Global)
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White Papers
Resolving Macroeconomic Uncertainty In Stock And Bond Markets
June 1, 2007, 12:00am PDT
This paper establishes an empirical link between the ex-ante uncertainty about macroeconomic fundamentals and the ex-post resolution of this uncertainty in financial markets. It measures...
Provided by Duke University (Fuqua-Global)
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White Papers
When It Cannot Get Better Or Worse: The Asymmetric Impact Of Good And Bad News On Bond Returns
June 1, 2007, 12:00am PDT
This paper examines empirically the response of bond returns and their volatility to good and bad macroeconomic news in economic expansions and recessions. This paper finds that the information...
Provided by Duke University (Fuqua-Global)
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White Papers
Compatibility, Interoperability, And Market Power In Upgrade Markets
January 6, 2010, 12:00am PST
This paper examines the market power of a seller who repeatedly offers upgraded versions of a product. In the case of pure monopoly, the seller also controls compatibility across versions. In the...
Provided by Duke University (Fuqua-Global)
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White Papers
Private Information, Limited Commitment, And Risk Sharing
August 1, 2007, 12:00am PDT
This paper explores a model that considers an exchange economy with a continuum of agents, each of whom is subject to idiosyncratic endowment shocks. It studies efficient allocations subject to...
Provided by Duke University (Fuqua-Global)
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White Papers
External Resource Sourcing: Does Experience Help Firms Select Governance Modes?
November 22, 2008, 12:00am PST
This paper explores whether firms make better governance choices as they gain experience in different modes of governing external resource sourcing, modes that include acquisitions, alliances, and...
Provided by Duke University (Fuqua-Global)
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White Papers
Risk And Return In Bond, Currency And Equity Markets
June 1, 2007, 12:00am PDT
This paper presents a general equilibrium long-run risks model that can simultane-
Provided by Duke University (Fuqua-Global)
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White Papers
Moral Hazard, Collateral And Liquidity
December 12, 2007, 12:00am PST
ously account for key asset price puzzles in bond, currency and equity markets.
Provided by Duke University (Fuqua-Global)
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White Papers
Cointegration And Long-Run Asset Allocation
May 29, 2007, 12:00am PDT
violations of the expectations hypothesis in bond and foreign exchange markets. The authors argue that key economic channels featured in the long-run risks model - long-run growth fluctuations and...
Provided by Duke University (Fuqua-Global)
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White Papers
Political Connections And Business Strategy
November 2, 2007, 12:00am PDT
This paper presents a model that considers a moral hazard setup wherein leveraged firms have incentives to take on excessive risks and are thus rationed when they attempt to borrow in order to...
Provided by Duke University (Fuqua-Global)
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White Papers
Collateral, Financial Intermediation, And The Distribution Of Debt Capacity
March 1, 2008, 12:00am PST
This paper proposes an empirical implementation of the consumption-investment problem using the martingale representation alternative to dynamic programming. The method outlined is based on the...
Provided by Duke University (Fuqua-Global)
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White Papers
Inventory In Vertical Relationships With Private Information And Interdependent Values
February 4, 2010, 12:00am PST
This paper studies if borrowers optimally conserve debt capacity to take advantage of investment opportunities due to temporarily low asset prices, when financing is subject to collateral...
Provided by Duke University (Fuqua-Global)
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White Papers
Scouts And Integrators: The Joint Effect Of Network Density And Firm Centrality On Business Innovativeness In Buyer-Supplier Networks
October 29, 2008, 12:00am PDT
Several studies in the social networks literature suggest that more central firms in a given network will be more innovative, but the literature not considered how variation in network density...
Provided by Duke University (Fuqua-Global)
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White Papers
When The Social Structure Overshadows Competitive Incentives: The Effects Of Network Embeddedness On Joint Venture Dissolution
December 28, 2009, 12:00am PST
The embeddedness of interfirm relationships in the social structure can engender order in new tie formation, but competitive incentives may undermine the order that firms seek to achieve and lead...
Provided by Duke University (Fuqua-Global)
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White Papers
Structural Homophily Or Social Asymmetry? The Formation Of Alliances By Poorly Embedded Firms
September 3, 2009, 12:00am PDT
Recent research shows that preexisting network structure constrains the formation of new interorganizational alliances. Firms that are poorly embedded in a network structure are less likely than...
Provided by Duke University (Fuqua-Global)
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White Papers
Talk, Think, Read (If Absolutely Necessary): The Impact Of Social, Personal, And Documentary Knowledge On Task Performance
April 16, 2009, 12:00am PDT
The organizational memory literature has compared social sources to documentary archives as potential sources of knowledge that decision makers can use when they seek information needed to carry...
Provided by Duke University (Fuqua-Global)
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White Papers
Complementarity, Capabilities, And The Boundaries Of The Firm: The Impact Of Within-Firm And Interfirm Expertise On Concurrent Sourcing Of Complementary Components
February 19, 2009, 12:00am PST
Theories of the firm raise conflicting arguments about how complementarities between two or more components affect firms' knowledge and production boundaries. Traditional arguments in the...
Provided by Duke University (Fuqua-Global)
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White Papers
Lessons From India In Organizational Innovation: A Tale Of Two Heart Hospitals
October 1, 2008, 12:00am PDT
Recent discussions in health reform circles have pinned great hopes on the prospect of innovation as the solution to the high-cost, inadequate-quality U.S. health system. But U.S. health care...
Provided by Duke University (Fuqua-Global)
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White Papers
Physician-Industry Cooperation In The Medical Device Industry
December 1, 2008, 12:00am PST
Anecdotal evidence suggests that innovative medical devices often arise from physicians' inventive activity, but no studies have documented the extent of such physician engaged innovation. This...
Provided by Duke University (Fuqua-Global)
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White Papers
Buyer Intention To Use Internet-Enabled Reverse Auctions: The Role Of Asset Specificity, Product Specialization, And Non-Contractibility
December 1, 2008, 12:00am PST
Information technology enabled exchanges in electronic markets have significant implications for buyer - supplier relationships. Building on studies that emphasize the role of intangible assets in...
Provided by Duke University (Fuqua-Global)
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White Papers
Disentangling The Influences Of Leaders' Relational Embeddedness On Interorganizational Exchange
October 1, 2008, 12:00am PDT
Drawing on the concept of relational embeddedness and the associated mechanisms of mutual understanding, trust, and commitment, the authors examine how leaders' prior exchange experiences...
Provided by Duke University (Fuqua-Global)
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White Papers
Innovating Through Acquisition And Internal Development: A Quarter-Century Of Boundary Evolution At Johnson & Johnson
January 1, 2010, 12:00am PST
This paper discusses how firms innovate within and across firm boundaries by reconfiguring their resources and business units over time. Focusing on acquisitions and internal development as key...
Provided by Duke University (Fuqua-Global)
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White Papers
The Power Of Voice: Managerial Affective States And Future Firm Performance
December 9, 2009, 12:00am PST
They authors measure managerial affective states during earnings conference calls by analyzing conference call audio files using vocal emotion analysis software. They hypothesize and find that...
Provided by Duke University (Fuqua-Global)
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White Papers
Household Risk Management
August 10, 2009, 12:00am PDT
Households risk management, that is, households' insurance against adverse shocks to income, assets, and financing needs, is limited and often completely absent, in particular for poor households....
Provided by Duke University (Fuqua-Global)
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White Papers
Collateral, Risk Management, And The Distribution Of Debt Capacity
April 7, 2010, 12:00am PDT
Collateral constraints imply that financing and risk management are fundamentally linked. The opportunity cost of engaging in risk management and conserving debt capacity to hedge future financing...
Provided by Duke University (Fuqua-Global)
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White Papers
Improving Supply Chain Performance: Real-Time Demand Information And Flexible Deliveries
July 28, 2009, 12:00am PDT
In some supply chains, materials are ordered periodically according to local information. This paper investigates how to improve the performance of such a supply chain. Specifically, the authors...
Provided by Duke University (Fuqua-Global)
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White Papers
The Hollow Corporation Revisited: Can Governance Mechanisms Substitute For Technical Expertise In Managing Buyer-Supplier Relationships?
October 19, 2009, 12:00am PDT
This paper considers how a firm's system of exchange skills including internal technical expertise and supplier governance mechanisms influence supplier performance, both independently and...
Provided by Duke University (Fuqua-Global)
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White Papers
Business Incubators And Market-Oriented Socio-Economic Development In Emerging Market Economies
February 4, 2010, 12:00am PST
Business incubators present an increasingly popular approach to attempting to develop private sector businesses in emerging market economies. However, little is known about the nature of incubator...
Provided by Duke University (Fuqua-Global)
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White Papers
Evaluation Of Cycle-Count Policies For Supply Chains With Inventory Inaccuracy And Implications On RFID Investments
November 2, 2009, 12:00am PST
Inventory record inaccuracy deteriorates supply chain performance because it leads to ineffective replenishment decisions. Conducting cycle counts (i.e., periodic inventory auditing) is a common...
Provided by Duke University (Fuqua-Global)
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Whitepapers
Automated Experiment-Driven Management of (Database) Systems
April 20, 2009, 12:00am PDT
In this paper, the authors argue that an important piece of the system administration puzzle has largely been left untouched by researchers. This piece involves mechanisms and policies to identify...
Provided by Duke University
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Whitepapers
Dealing Proactively With Data Corruption: Challenges and Opportunities
May 22, 2011, 12:00am PDT
The danger of production or backup data becoming corrupted is a problem that database administrators dread. This paper aims to bring this problem to the attention of the database research...
Provided by Duke University
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Whitepapers
Guided Problem Diagnosis Through Active Learning
April 8, 2008, 12:00am PDT
There is widespread interest today in developing tools that can diagnose the cause of a system failure accurately and efficiently based on monitoring data collected from the system. Over time, the...
Provided by Duke University
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Whitepapers
Finding Good Configurations in High-Dimensional Spaces: Doing More With Less
June 21, 2008, 12:00am PDT
Manually tuning tens to hundreds of configuration parameters in a complex software system like a database or an application server is an arduous task. Recent work has looked into automated...
Provided by Duke University
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Whitepapers
Algorithms for Constructing Overlay Networks for Live Streaming
September 20, 2011, 12:00am PDT
In this paper, the authors present a polynomial time approximation algorithm for constructing an overlay multicast network for streaming live media events over the Internet. The class of overlay...
Provided by Duke University
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Whitepapers
Confidant: Protecting OSN Data Without Locking It Up
September 7, 2011, 12:00am PDT
Online Social Networks (OSNs) are immensely popular, but participants are increasingly uneasy with centralized services' handling of user data. Decentralized OSNs offer the potential to address...
Provided by Duke University
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White Papers
Bootstrapping Accountability in the Internet We Have
October 5, 2010, 12:00am PDT
The lack of accountability makes the Internet vulnerable to numerous attacks, including prefix hijacking, route forgery, source address spoofing, and DoS flooding attacks. This paper takes a...
Provided by Duke University
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White Papers
CoRRS: COnsistent and Responsive Routing with Safeguard
October 10, 2008, 12:00am PDT
The Internet uses a process called routing convergence to quickly find suitable forwarding paths after dynamic network changes such as failures. During routing convergence, routers may have...
Provided by Duke University
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White Papers
Efficient Peer-To-Peer Keyword Searching
January 1, 2012, 12:00am PST
The recent file storage applications built on top of peer-to-peer distributed hash tables lack search capabilities. The authors believe that search is an important part of any document publication...
Provided by Duke University
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White Papers
The Resilience of WDM Networks to Probabilistic Geographical Failures
January 21, 2011, 12:00am PST
Telecommunications networks, and in particular optical WDM networks, are vulnerable to large-scale failures of their physical infrastructure, resulting from physical attacks (such as an...
Provided by Duke University
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White Papers
A Stochastic Model for Beaconless IEEE 802.15.4 MAC Operation
August 24, 2009, 12:00am PDT
IEEE 802.15.4 is a popular choice for MAC/PHY protocols in low power and low data rate wireless sensor networks. In this paper, the authors develop a stochastic model for the beaconless operation...
Provided by Duke University
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White Papers
A Hierarchical Model to Evaluate Quality of Experience of Online Services Hosted by Cloud Computing
May 1, 2011, 12:00am PDT
As online service providers utilize cloud computing to host their services, they are challenged by evaluating the quality of experience and designing redirection strategies in this complicated...
Provided by Duke University
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White Papers
For Here or to Go: Predicting Client Dwell Time in WiFi Hotspots
June 20, 2011, 12:00am PDT
Modern mobile phones provide a plethora of sensors, enabling high-resolution measurement of the user's behavior. Further, user behaviors are not random-detailed measurements of current activities...
Provided by Duke University
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White Papers
Mobicom Poster: SurroundSense: Mobile Phone Localization Using Ambient Sound and Light
January 24, 2009, 12:00am PST
Proliferating mobile phones provide a foundation for revolutionary innovations in people-centric computing. Numerous applications are on the rise, many of which exploit the phone's location as the...
Provided by Duke University
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White Papers
Precise Indoor Localization Using PHY Layer Information
March 11, 2011, 12:00am PST
This paper shows the viability of precise indoor localization using physical layer information in WiFi systems. The authors find that channel frequency responses across multiple OFDM subcarriers...
Provided by Duke University
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White Papers
No Time to Countdown: Migrating Backoff to the Frequency Domain
March 11, 2011, 12:00am PST
Conventional WiFi networks perform channel contention in time domain. This is known to be wasteful because the channel is forced to remain idle, while all contending nodes are backing off for...
Provided by Duke University
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White Papers
Designing a Rate-Based Transport Protocol for Wired-Wireless Networks
July 9, 2007, 12:00am PDT
A large majority of the Internet traffic relies on TCP as its transport protocol. In future, as the edge of the Internet continues to extend over the wireless medium, TCP (or its close variants)...
Provided by Duke University
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White Papers
Capital Gains Tax Overhang And Payout Policy
January 15, 2009, 12:00am PST
Jin (2006) documents that tax-sensitive institutional investors with large embedded capital gains are reluctant to sell their shares, creating upward stock price pressure. This price pressure...
Provided by Duke University
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White Papers
Quantifying Resiliency of IaaS Cloud
August 12, 2010, 12:00am PDT
Cloud based services may experience changes - internal, external, large, small - at any time. Predicting and quantifying the effects on the quality-of-service during and after a change are...
Provided by Duke University
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White Papers
Autonomic Cloud Network Orchestration: A GENI Perspective
July 2, 2010, 12:00am PDT
Pervasive virtualization at the edge and in the network core drives the evolution of the IT infrastructure towards a service-oriented model. It permits a move from static arrangements of resources...
Provided by Duke University
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White Papers
Payoff Complementarities And Financial Fragility - Evidence From Mutual Fund Outflows
May 1, 2008, 12:00am PDT
The paper provides empirical evidence on the effect of strategic complementarities on investors' behavior in financial markets. The authors derive empirical implications from a global-game model...
Provided by Duke University
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White Papers
The Impact Of The U.S. Financial Crisis On Global Retail Lending
April 1, 2009, 12:00am PDT
This paper examines the effects of the U.S. financial crisis on global lending to retail customers. In particular the authors examine retail bank lending in Germany taking advantage of a unique...
Provided by Duke University
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White Papers
Have Economic Models' Forecasting Performance For US Output Growth And Inflation Changed Over Time, And When?
July 1, 2009, 12:00am PDT
The authors evaluate various economic models' relative performance in forecasting future US output growth and inflation on a monthly basis. The approach takes into account the possibility that the...
Provided by Duke University
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White Papers
Harnessing Virtual Machine Resource Control for Job Management
January 1, 2011, 12:00am PST
Virtual machine technology promises important benefits for grid computing and cluster batch job systems, including improved isolation, customizable workspaces, and support for checkpointing and...
Provided by Duke University
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White Papers
Quality, Upgrades, And (The Loss Of) Market Power In A Dynamic Monopoly Model
July 1, 2008, 12:00am PDT
The authors examine an infinite horizon model of quality growth in a durable goods monopoly market. The monopolist generates new quality improvements over time and can sell any available...
Provided by Duke University
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White Papers
Herding Versus Hotelling: Market Entry With Costly Information
March 11, 2008, 12:00am PDT
Why do businesses such as fast-food restaurants, coffee shops, and hotels cluster? In the classic analysis of Hotelling, firms cluster to attract consumers who have travel costs. The authors...
Provided by Duke University
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White Papers
Quality, Upgrades, And Equilibrium In A Dynamic Monopoly Model
May 1, 2009, 12:00am PDT
The authors examine an infinite horizon model of quality growth in a durable goods monopoly market. The monopolist generates new quality improvements over time and can sell any available...
Provided by Duke University
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White Papers
Time-consistent Majority Rules And Heterogenous Preferences In Group Decision-making
May 13, 2010, 12:00am PDT
This paper studies a collective decision problem in which a group of individuals with interdependent preferences vote whether or not to implement a public project of unknown value. A utilitarian...
Provided by Duke University
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White Papers
Grand Challenge: Experiment-Driven Adaptive Systems
April 23, 2008, 12:00am PDT
The collection, maintenance, and use of instrumentation data from systems is a central theme in autonomic computing research. Instrumentation data, collected through various sensors, can be used...
Provided by Duke University
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White Papers
Starfish: A Selftuning System for Big Data Analytics
January 12, 2011, 12:00am PST
Timely and cost-effective analytics over "Big Data" is now a key ingredient for success in many businesses, scientific and engineering disciplines, and government endeavors. The Hadoop software...
Provided by Duke University
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White Papers
Computational Journalism: A Call to Arms to Database Researchers
January 12, 2011, 12:00am PST
The digital age has brought sweeping changes to the news media. While online consumption of news is on the rise, fewer people today read newspapers. Newspaper advertising revenues fell by a total...
Provided by Duke University
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White Papers
Compact Reachability Labeling for Graph-Structured Data
January 1, 2011, 12:00am PST
Testing reachability between nodes in a graph is a well-known problem with many important applications, including knowledge representation, program analysis, and more recently, biological and...
Provided by Duke University
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White Papers
Energy-Efficient Continuous Isoline Queries in Sensor Networks
January 1, 2011, 12:00am PST
Environmental monitoring is a promising application for sensor networks. Many scenarios produce geographically correlated readings, making them visually interesting and good targets for the...
Provided by Duke University
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White Papers
Query Suspend and Resume
January 1, 2011, 12:00am PST
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and people need to run it...
Provided by Duke University
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White Papers
A Survey of Join-Processing in Datastreams
June 30, 2008, 12:00am PDT
Stream join is a fundamental operation for relating information from different streams. For example, given two stream of packets seen by network monitors placed at two routers, people can join the...
Provided by Duke University
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White Papers
On the Database/Network Interface in Large-Scale Publish/Subscribe Systems
January 1, 2011, 12:00am PST
The work performed by a publish/subscribe system can conceptually be divided into subscription processing and notification dissemination. Traditionally, research in the database and networking...
Provided by Duke University
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White Papers
Many-to-Many Aggregation for Sensor Networks
January 1, 2011, 12:00am PST
Wireless sensor networks have enormous potential to aid data collection in a number of areas, such as environmental and wildlife research. In this paper, the authors address the challenges of...
Provided by Duke University
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White Papers
I/O-Efficient Statistical Computing With RIOT
October 15, 2009, 12:00am PDT
Statistical analysis of massive data is becoming indispensable to science, commerce, and society today. Such analysis requires efficient, flexible storage support and special optimization...
Provided by Duke University
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White Papers
Subscriber Assignment for Wide-Area Content-Based Publish/Subscribe
November 15, 2010, 12:00am PST
The authors study the problem of assigning subscribers to brokers in a wide-area content-based publish/subscribe system. A good assignment should consider both subscriber interests in the event...
Provided by Duke University
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White Papers
MobiCom 2009 Poster: Wireless Network Coding and Concurrent MAC: Are These Approaches Complementary?
May 23, 2010, 12:00am PDT
The IEEE 802.11 MAC protocol precludes the possibility of concurrent transmissions by two neighboring nodes. There have been some MAC proposals such as CMAP for enabling concurrent transmissions....
Provided by Duke University
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