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University of South Florida
(66 results)-
White Papers
Fundamental Diagnostics for Two-Level Mixed Models: The SAS Macro MIXED_DX
March 19, 2010, 12:00am PDT
Multilevel modeling has become a common analytic technique across a variety of disciplines including medicine and the social and behavioral sciences. However, because many researchers who use...
Provided by University of South Florida
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White Papers
Using Signatures to Improve URL Routing
November 17, 2007, 12:00am PST
World Wide Web Content Distribution Networks (CDNs) are these days being supported by devices that have the ability to route at layers that lie higher up than the IP layer. This paper looks at URL...
Provided by University of South Florida
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White Papers
Next-Generation Software Engineering: Function Extraction for Computation of Software Behavior
March 9, 2009, 12:00am PDT
The ultra-large-scale systems of the future require the transformation of software engineering into a computational discipline capable of fast and dependable software development. This paper...
Provided by University of South Florida
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White Papers
Effect of Variable Bus Speeds on Bus Network Design
July 6, 2010, 12:00am PDT
This paper provides a methodology for solving the bus network design problem, covering network design and frequency setting and taking into consideration that commercial speeds of buses vary...
Provided by University of South Florida
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White Papers
An Efficient Initial Ranging Algorithm for WiMAX(802.16e)OFDMA
September 1, 2008, 12:00am PDT
Ranging is one of the most important processes in the mobile WiMAX standard. Power adjustment, timing offset estimation, and synchronization between a Base Station (BS) and all users within a cell...
Provided by University of South Florida
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White Papers
A Comparative Study of Initial Downlink Channel Estimation Algorithms for Mobile WiMAX
January 23, 2007, 12:00am PST
Fourth Generation (4G) wireless products are expected to be based on worldwide interoperability for microwave access (WiMAX) systems. It is the optimized receiver algorithms that will...
Provided by University of South Florida
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White Papers
Wanted -- Focused Leadership Theory And Application In Public Health Professional Preparation
March 27, 2008, 12:00am PDT
Many faculty and administrators in academic public health believe that professional preparation culminating in the awarding of the MPH degree is necessarily coupled with the development of...
Provided by University of South Florida
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White Papers
Green Networking: Reducing The Energy Use Of LAN Switches And Connected Hosts
April 2, 2008, 12:00am PDT
Reducing the energy consumption of LAN switches and routers, and of connected hosts, is of interest for environmental, economic, and operational reasons. In this paper, the authors propose to...
Provided by University of South Florida
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White Papers
Ethernet Adaptive Link Rate: System Design and Performance Evaluation
August 3, 2006, 12:00am PDT
The Internet and the devices that connect to it consume a growing and significant amount of electricity. The utilization of desktop to switch Ethernet links is generally very low and thus there is...
Provided by University of South Florida
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White Papers
Alternative Funding Strategies For Improving Transportation Facilities
December 1, 2006, 12:00am PST
Transportation agencies seem to be paying more and more for less and less. Project costs are outpacing budget estimates in many areas, while growth in demand continues to strain available...
Provided by University of South Florida
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White Papers
Ethernet Adaptive Link Rate (ALR): Analysis of a Buffer Threshold Policy
August 29, 2006, 12:00am PDT
Rapidly increasing energy use by computing and communications equipment is a significant problem that needs to be addressed. Ethernet Network Interface Controllers (NICs) consume hundreds of...
Provided by University of South Florida
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White Papers
Link-State Update Policies for All-Optical DWDM Transport Networks
January 1, 2011, 12:00am PST
It has been demonstrated that advertising the availability of wavelength and converter resources in all-optical DWDM transport networks with sparse wavelength conversion capabilities can...
Provided by University of South Florida
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White Papers
Spectrum Characterization for Opportunistic Cognitive Radio Systems
August 23, 2006, 12:00am PDT
Spectrum sensing is one of the most challenging problems in cognitive radio systems. The spectrum of interest needs to be characterized and unused frequencies should be identified for possible...
Provided by University of South Florida
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Software
iUSF 2.0 (Mobile)
July 22, 2010, 12:00am PDT
iUSF gives you access to the latest information about the University of South Florida wherever you are. Use the iUSF suite of mobile applications to find contact information for people at USF,...
Provided by University of South Florida
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White Papers
PoliSeer: A Tool for Managing Complex Security Policies
March 8, 2010, 12:00am PST
Few tools exist for decomposing complex security policies into simpler modules. The policy-engineering tools that do exist either encapsulate entire policies as atomic, indecomposable modules or...
Provided by University of South Florida
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White Papers
Run-Time Enforcement of Nonsafety Policies
May 31, 2010, 12:00am PDT
A common mechanism for ensuring that software behaves securely is to monitor programs at run time and check that they dynamically adhere to constraints specified by a security policy. Whenever a...
Provided by University of South Florida
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White Papers
A Theory of Runtime Enforcement, With Results
June 30, 2010, 12:00am PDT
This paper presents a theory of runtime enforcement based on mechanism models called MRAs (Mandatory Results Automata). MRAs can monitor and transform security-relevant actions and their results....
Provided by University of South Florida
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White Papers
A Location-Based Policy-Specification Language for Mobile Devices
November 7, 2010, 12:00am PDT
The dramatic rise in mobile applications has greatly increased threats to the security and privacy of users. Security mechanisms on mobile devices are currently limited, so users need more...
Provided by University of South Florida
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White Papers
Defining and Visualizing Many-to-Many Relationships Between Concerns and Code
September 6, 2008, 12:00am PDT
Code modularization provides benefits throughout the software life cycle; however, the presence of CrossCutting Concerns (CCCs) in software hinders its complete modularization. In this paper, the...
Provided by University of South Florida
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White Papers
A Packet-Classification Algorithm for Arbitrary Bitmask Rules, With Automatic Time-Space Tradeoffs
May 14, 2010, 12:00am PDT
The authors present an algorithm for classifying packets according to arbitrary (including noncontiguous) bitmask rules. As its principal novelty, the algorithm is parameterized by the amount of...
Provided by University of South Florida
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White Papers
Dimension-Independent Table-Based Firewalls
November 11, 2008, 12:00am PST
A firewall matches network packets to applicable policy rules based on packet dimensions (i.e., packet fields such as source and destination IP addresses). The efficiency with which firewalls...
Provided by University of South Florida
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White Papers
LoPSiL: A Location-Based Policy-Specification Language
October 27, 2007, 12:00am PDT
This paper describes the design of LoPSiL, a language for specifying location-dependent security and privacy policies. Policy-specification languages like LoPSiL are domain-specific programming...
Provided by University of South Florida
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White Papers
Inline Visualization of Concerns
August 30, 2009, 12:00am PDT
Code modularization provides benefits throughout the software life cycle; however, the presence of Crosscutting Concerns (CCCs) in software hinders its complete modularization. This paper...
Provided by University of South Florida
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White Papers
Socially-Aware Data Management for Mobile Users
October 18, 2008, 12:00am PDT
Mobile social computing can leverage the success of Internet based social networking applications (such as Facebook, MySpace, and LinkedIn) and the features of newly-developed programmable smart...
Provided by University of South Florida
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White Papers
A Study of Data Survivability in Mobile Robot Networks Under Realistic Mobility and Failure Models
March 30, 2008, 12:00am PDT
While the promise of using teams of robots for monitoring or search and rescue missions has been around for quite some time, they are deployed at rather small scale and prove unreliable in real...
Provided by University of South Florida
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White Papers
GDC: Group Discovery Using Co-Location Traces
July 29, 2010, 12:00am PDT
Smart phones can collect and share Bluetooth co-location traces to identify ad hoc or semi-permanent social groups. This information, known to group members but otherwise unavailable, can be...
Provided by University of South Florida
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White Papers
MobiDew: Socially-Aware Data Management for Mobile Users
January 12, 2009, 12:00am PST
The authors propose the use of social knowledge in data management and delivery for mobile users. They built MobiDew, the socially-aware data management service, in Mobius. Mobius builds a...
Provided by University of South Florida
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White Papers
Filecules in High-Energy Physics: Characteristics and Impact on Resource Management
January 1, 2011, 12:00am PST
Grid computing has reached the stage where deployments are mature and many collaborations run in production mode. Mature Grid deployments offer the opportunity for revisiting and perhaps updating...
Provided by University of South Florida
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White Papers
Data Transfers in the Grid: Workload Analysis of Globus GridFTP
November 28, 2007, 12:00am PST
One of the basic services in grids is the transfer of data between remote machines. Files may be transferred at the explicit request of the user or as part of delegated resource management...
Provided by University of South Florida
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White Papers
In Search of Simplicity: A Self-Organizing Group Communication Overlay
February 17, 2007, 12:00am PST
Group communication primitives have broad utility as building blocks for distributed applications. The challenge is to create and maintain the distributed structures that support these primitives...
Provided by University of South Florida
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White Papers
Model-Driven Placement of Compute Tasks and Data in a Networked Utility
January 1, 2011, 12:00am PST
An important problem in resource management for networked resource-sharing systems is the simultaneous allocation of multiple resources to an application. Self-optimizing systems must co-allocate...
Provided by University of South Florida
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White Papers
Revisiting Locality of Reference in Scientific Grid Workloads
January 1, 2011, 12:00am PST
This paper revisits a basic question in data management, namely whether locality of reference is an important factor for the performance of caches in grid workloads. The authors answer this...
Provided by University of South Florida
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White Papers
A View of Cloud Computing
April 1, 2010, 12:00am PDT
Cloud computing, the long-held dream of computing as a utility, has the potential to transform a large part of the IT industry, making software even more attractive as a service and shaping the...
Provided by University of South Florida
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White Papers
Joint Channel and Frequency Offset Estimation for OFDM Systems
April 12, 2007, 12:00am PDT
In this paper, a joint channel and frequency o set estimation algorithm is proposed. The time variation of the effective Channel Impulse Response (CIR) due to frequency o set is tracked using a...
Provided by University of South Florida
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White Papers
Estimation of Frequency Selectivity for OFDM Based New Generation Wireless Communication Systems
April 12, 2007, 12:00am PDT
In this paper, estimation of both global (long term) and local (instantaneous) frequency selectivity and rms delay spread of wireless communication channel are investigated. A practical algorithm...
Provided by University of South Florida
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White Papers
A Natural Range? A Perspective On The Stock Market's Co-Movement With The Risk Adjusted Discounted Present Value Of Future GDP
December 29, 2006, 12:00am PST
Many studies show a close relationship between asset valuations and macro economic fundamentals. This paper is not seeking to replicate what was done before. Rather, it goes a step further and...
Provided by University of South Florida
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White Papers
Idiosyncratic Volatility, Uncertainty And Cross-Sectional Returns
January 11, 2007, 12:00am PST
The authors provide an explanation for the puzzling evidence of a negative relationship between Idiosyncratic Volatility (IV) and stock returns, which is in sharp contrast to the positive...
Provided by University of South Florida
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White Papers
A Parallel Array to Accelerate GFA Modeling in Video Coding
May 7, 2008, 12:00am PDT
A novel video coding scheme based on the Generalized Finite Automata (GFA) modeling of video sequences in the bitplane wavelet domain has recently been proposed. This scheme was motivated by the...
Provided by University of South Florida
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White Papers
Multiuser Interference Mitigation in Non-Coherent UWB Ranging Via Nonlinear Filtering
June 13, 2006, 12:00am PDT
Ranging with energy detectors enables low-cost implementation. However, any interference can be quite detrimental to range accuracy. The authors develop a method that performs nonlinear filtering...
Provided by University of South Florida
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White Papers
Matching Algorithms Of International Exchanges
December 1, 2007, 12:00am PST
The aim of this paper is to analyze different kinds of trade matching algorithms. The matching (or trade allocation) algorithm is an important part of an exchange trading mechanism. The authors...
Provided by University of South Florida
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White Papers
On the Implementation of a Capacity Estimator for Wireless Ad Hoc Networks
October 30, 2008, 12:00am PDT
End-to-end capacity is a useful metric for network applications such as traffic engineering, QoS verification, peer-to-peer file distribution, video/audio streaming, admission control, etc....
Provided by University of South Florida
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White Papers
A Data Link Layer in Support of Swarming of Autonomous Underwater Vehicles
March 27, 2009, 12:00am PDT
Swarms of Underwater Autonomous Vehicles (UAVs) are being increasingly used in civilian and military applications. Formations of UAVs are being utilized to detect mine-like objects and oilfields,...
Provided by University of South Florida
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White Papers
Using Coordinated Transmission With Energy Efficient Ethernet
October 14, 2010, 12:00am PDT
IEEE 802.3az Energy Efficient Ethernet (EEE) supports link active and sleep (idle) modes as a means of reducing the energy consumption of lightly utilized Ethernet links. A link wakes-up when an...
Provided by University of South Florida
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White Papers
Integrating Demand Response Capability into Smart Appliances: Design and Evaluation of Distributed Scheduling
August 6, 2011, 12:00am PDT
The need for a constant balance between power demand and supply, together with the lack of cost-effective solutions for storing electric energy, affects the efficiency of power grids and limits...
Provided by University of South Florida
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White Papers
Two-Tier Bloom Filter to Achieve Faster Membership Testing
March 27, 2008, 12:00am PDT
Bloom filters are widely used with many applications in the domain of networks. One application of interest is representing large file lists; for example lists of shared files in servers or caches...
Provided by University of South Florida
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White Papers
Multiuser Interference Mitigation in Noncoherent UWB Ranging via Nonlinear Filtering
June 13, 2006, 12:00am PDT
Ranging with energy detectors enables low-cost implementation. However, any interference can be quite detrimental to range accuracy. The authors develop a method that performs nonlinear filtering...
Provided by University of South Florida
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White Papers
A3: A Topology Construction Algorithm for Wireless Sensor Networks
August 14, 2008, 12:00am PDT
Topology control is a well-known strategy to save energy and extend the lifetime of wireless sensor networks. This paper introduces the A3 (a tree) algorithm, a simple, distributed, and...
Provided by University of South Florida
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White Papers
Topology Maintenance: Extending the Lifetime of Wireless Sensor Networks
September 29, 2009, 12:00am PDT
Topology control is a well-known strategy to save energy and extend the lifetime of wireless sensor networks. In the literature, it is usually referred as the process that, given a set of nodes,...
Provided by University of South Florida
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White Papers
MIMO-OFDMA Measurements; Reception, Testing, and Evaluation of WiMAX-MIMO Signals With a Single Channel Receiver
September 18, 2008, 12:00am PDT
The number of MIMO-OFDMA systems is expected to increase sharply in the near future. Engineers who need to test these systems face two difficulties. First, the lack of descriptive instructions to...
Provided by University of South Florida
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White Papers
Enabling an Energy-Efficient Future Internet Through Selectively Connected End Systems
January 1, 2011, 12:00am PST
The Internet's architecture largely and implicitly assumes full-time connectivity, a notion that is embodied in key networking principles including fate sharing, soft state, and the end-to-end...
Provided by University of South Florida
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White Papers
Analysis of a Multi-Channel Receiver: Wireless and PLC Reception,
August 27, 2010, 12:00am PDT
In line with the trend in wireless communications, Power Line Communication (PLC) based systems recently draw considerable attention especially for wideband communication applications due to the...
Provided by University of South Florida
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White Papers
Are All Inside Directors The Same? CEO Entrenchment Or Board Enhancement
December 1, 2008, 12:00am PST
Two opposing theories currently exist concerning the role of inside directors on corporate boards. One theory emphasizes the moral hazard problem associated with CEO influence over...
Provided by University of South Florida
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White Papers
A Tale Of Two Strategies: Cash Flow, Accruals And The Role Of Investor Sentiment
April 21, 2009, 12:00am PDT
This paper documents a subtle and counter-intuitive interaction between operating Cash FlOw (CFO) and accruals, and their association with future stock returns. While the two strategies should by...
Provided by University of South Florida
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White Papers
Globalization And The Evolution Of Bank Capital Regulation
October 26, 2007, 12:00am PDT
This paper traces the evolution of bank capital requirements from the 1800s, when it was a simple ratio, to the complex models used in Basel I and II. It goes on to introduce Enterprise Risk...
Provided by University of South Florida
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White Papers
Market Liquidity Effects Of The IFRS Introduction In Europe
December 13, 2007, 12:00am PST
This paper provides cross-country evidence of the IFRS impact on market liquidity costs on French, German, Swedish and U.K. stock exchanges. Using several proxies for information asymmetry, such...
Provided by University of South Florida
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White Papers
Who Smooth Dividends?
October 26, 2007, 12:00am PDT
This paper examines the relation between dividend smoothing and information asymmetry. The authors find that both the amount of the dividend payment and the extent of dividend smoothing are...
Provided by University of South Florida
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White Papers
Are At-Risk-Measures Useful Measures Of Risk At The Corporate Level?
December 6, 2007, 12:00am PST
Value-at-Risk (VaR), which indicates the maximum loss in value associated with a certain probability, is a widely used risk measure among financial institutions. Cash-Flow-at-Risk (CFaR) is an...
Provided by University of South Florida
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White Papers
Tax Versus Attention: The Ex-Date Experience In Taiwan
November 17, 2007, 12:00am PST
This paper examines ex-date stock returns on the Taiwan Stock Exchange. The special features of Taiwan's tax code offer a sharp contrast between taxable and non-taxable distributions. Therefore,...
Provided by University of South Florida
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White Papers
IPOs In Emerging Markets: A Comparison Of Brazil, India And China
December 3, 2007, 12:00am PST
IPOs are, up to now, one of the unresolved questions in Finance. Emerging markets new environment and different legal and financial markets characteristics may add new lights to understand this...
Provided by University of South Florida
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White Papers
Risk Shifting Through Nonfinancial Contracts. Effects On Loan Spreads And Capital Structure Of Project Finance Deals
November 20, 2007, 12:00am PST
In the last few years, the number and amount of project finance transactions have increased dramatically. According to Hainz and Kleimeier (2003), the total amount of project finance transactions...
Provided by University of South Florida
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White Papers
Company Valuation, Risk Sharing And The Government's Cost Of Capital
December 3, 2007, 12:00am PST
Assuming a no arbitrage environment, this paper analyses the role of the government in the context of company valuation when firms follow different financial policies. For the two analyzed...
Provided by University of South Florida
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White Papers
What Are The Real Concerns In The Design Of CEO Compensation Contracts
February 18, 2008, 12:00am PST
The broadening controversy surrounding executive compensation packages has made it increasingly important to understand the process by which these packages are designed. The authors provide a...
Provided by University of South Florida
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White Papers
Government Bond Market Integration Within European Union
September 2, 2007, 12:00am PDT
This paper examines the extent of linkages among Euro and non-Euro government bond markets in the pre- and post-Euro introduction period. Multivariate cointegration analyses indicate absence of...
Provided by University of South Florida
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White Papers
Best Execution And Competition Between Markets: The Curious Case Of Japan
December 1, 2007, 12:00am PST
More than 600 stocks are cross-listed on the Tokyo Stock Exchange and the Osaka Stock Exchange and more than 100 of these are regularly traded on both markets. Best execution policies in the U.S....
Provided by University of South Florida
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White Papers
Matching Algorithms Of International Exchanges
December 1, 2007, 12:00am PST
The aim of this paper is to analyze different kinds of trade matching algorithms. The matching (or trade allocation) algorithm is an important part of an exchange trading mechanism. The authors...
Provided by University of South Florida
-
White Papers
Multiuser Interference Mitigation in Non-Coherent UWB Ranging Via Nonlinear Filtering
June 13, 2006, 12:00am PDT
Ranging with energy detectors enables low-cost implementation. However, any interference can be quite detrimental to range accuracy. The authors develop a method that performs nonlinear filtering...
Provided by University of South Florida
-
Software
iUSF 2.0 (Mobile)
July 22, 2010, 12:00am PDT
iUSF gives you access to the latest information about the University of South Florida wherever you are. Use the iUSF suite of mobile applications to find contact information for people at USF,...
Provided by University of South Florida
-
White Papers
A Parallel Array to Accelerate GFA Modeling in Video Coding
May 7, 2008, 12:00am PDT
A novel video coding scheme based on the Generalized Finite Automata (GFA) modeling of video sequences in the bitplane wavelet domain has recently been proposed. This scheme was motivated by the...
Provided by University of South Florida
-
White Papers
Idiosyncratic Volatility, Uncertainty And Cross-Sectional Returns
January 11, 2007, 12:00am PST
The authors provide an explanation for the puzzling evidence of a negative relationship between Idiosyncratic Volatility (IV) and stock returns, which is in sharp contrast to the positive...
Provided by University of South Florida
-
White Papers
A Natural Range? A Perspective On The Stock Market's Co-Movement With The Risk Adjusted Discounted Present Value Of Future GDP
December 29, 2006, 12:00am PST
Many studies show a close relationship between asset valuations and macro economic fundamentals. This paper is not seeking to replicate what was done before. Rather, it goes a step further and...
Provided by University of South Florida
-
White Papers
A View of Cloud Computing
April 1, 2010, 12:00am PDT
Cloud computing, the long-held dream of computing as a utility, has the potential to transform a large part of the IT industry, making software even more attractive as a service and shaping the...
Provided by University of South Florida
-
White Papers
Revisiting Locality of Reference in Scientific Grid Workloads
January 1, 2011, 12:00am PST
This paper revisits a basic question in data management, namely whether locality of reference is an important factor for the performance of caches in grid workloads. The authors answer this...
Provided by University of South Florida
-
White Papers
Model-Driven Placement of Compute Tasks and Data in a Networked Utility
January 1, 2011, 12:00am PST
An important problem in resource management for networked resource-sharing systems is the simultaneous allocation of multiple resources to an application. Self-optimizing systems must co-allocate...
Provided by University of South Florida
-
White Papers
In Search of Simplicity: A Self-Organizing Group Communication Overlay
February 17, 2007, 12:00am PST
Group communication primitives have broad utility as building blocks for distributed applications. The challenge is to create and maintain the distributed structures that support these primitives...
Provided by University of South Florida
-
White Papers
Data Transfers in the Grid: Workload Analysis of Globus GridFTP
November 28, 2007, 12:00am PST
One of the basic services in grids is the transfer of data between remote machines. Files may be transferred at the explicit request of the user or as part of delegated resource management...
Provided by University of South Florida
-
White Papers
Filecules in High-Energy Physics: Characteristics and Impact on Resource Management
January 1, 2011, 12:00am PST
Grid computing has reached the stage where deployments are mature and many collaborations run in production mode. Mature Grid deployments offer the opportunity for revisiting and perhaps updating...
Provided by University of South Florida
-
White Papers
MobiDew: Socially-Aware Data Management for Mobile Users
January 12, 2009, 12:00am PST
The authors propose the use of social knowledge in data management and delivery for mobile users. They built MobiDew, the socially-aware data management service, in Mobius. Mobius builds a...
Provided by University of South Florida
-
White Papers
GDC: Group Discovery Using Co-Location Traces
July 29, 2010, 12:00am PDT
Smart phones can collect and share Bluetooth co-location traces to identify ad hoc or semi-permanent social groups. This information, known to group members but otherwise unavailable, can be...
Provided by University of South Florida
-
White Papers
A Study of Data Survivability in Mobile Robot Networks Under Realistic Mobility and Failure Models
March 30, 2008, 12:00am PDT
While the promise of using teams of robots for monitoring or search and rescue missions has been around for quite some time, they are deployed at rather small scale and prove unreliable in real...
Provided by University of South Florida
-
White Papers
Socially-Aware Data Management for Mobile Users
October 18, 2008, 12:00am PDT
Mobile social computing can leverage the success of Internet based social networking applications (such as Facebook, MySpace, and LinkedIn) and the features of newly-developed programmable smart...
Provided by University of South Florida
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