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Cornell University
(817 results)-
White Papers
Debunking Some Myths About Biometric Authentication
March 1, 2012, 12:00am PST
Biometric authentication systems are presented as the best way to reach high security levels in controlling access to IT systems or sensitive infrastructures. But several issues are often not...
Provided by Cornell University
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White Papers
Survey of Cognitive Radio Techniques in Wireless Network
April 29, 2011, 12:00am PDT
Wireless access networks were originally developed for different communication scenarios. Wireless networks aim to provide ubiquitous, flexible communications mainly in community areas. In...
Provided by Cornell University
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White Papers
Trusted - HB: A Low-Cost Version of HB+ Secure Against Man-in-the Middle Attacks
February 5, 2008, 12:00am PST
Since the introduction at Crypto'05 by Juels and Weis of the protocol HB+, a lightweight protocol secure against active attacks but only in a detection based-model, many works have tried to...
Provided by Cornell University
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White Papers
QKD Quantum Channel Authentication
February 1, 2008, 12:00am PST
Several simple yet secure protocols to authenticate the quantum channel of various QKD schemes, by coupling the photon sender's knowledge of a shared secret and the QBER Bob observes, are...
Provided by Cornell University
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White Papers
Sharing Mobile Code Securely With Information Flow Control
March 12, 2012, 12:00am PDT
Mobile code is now a nearly inescapable component of modern computing, thanks to client-side code that runs within web browsers. The usual tension between security and functionality is...
Provided by Cornell University
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White Papers
Grammatical Aspects for Language Descriptions
January 16, 2010, 12:00am PST
For the purposes of tool development, computer languages are usually described using context-free grammars with annotations such as semantic actions or pretty-printing instructions. These...
Provided by Cornell University
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White Papers
An Efficient Method for Multichannel Wireless Mesh Networks With Pulse Coupled Neural Network
February 1, 2012, 12:00am PST
Multi cast communication is a key technology for wireless mesh networks. Multicast provides efficient data distribution among a group of nodes, Generally sensor networks and MANETs uses multicast...
Provided by Cornell University
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White Papers
LMEEC: Layered Multi-Hop Energy Efficient Cluster-Based Routing Protocol for Wireless Sensor Networks
April 10, 2012, 12:00am PDT
In this paper, the authors propose LMEEC, a cluster-based routing protocol with low energy consumption for wireless sensor networks. Their protocol is based on a strategy which aims to provide a...
Provided by Cornell University
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White Papers
Data Gathering Scheme for Wireless Sensor Networks Using a Single Mobile Element
March 15, 2012, 12:00am PDT
In this paper, the authors investigate the problem of gathering the data in wireless sensor network using a single Mobile Element. In particular they consider the case where the data are produced...
Provided by Cornell University
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White Papers
A Novel Approach for Secure Data Aggregation in Wireless Sensor Networks
September 4, 2010, 12:00am PDT
The Wireless Sensor Networks (WSNs) are composed of resource starved sensor nodes that are deployed to sense, process and communicate vital information to the base station. Due to the stringent...
Provided by Cornell University
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White Papers
Optimizing the Replay Protection at the Link Layer Security Framework in Wireless Sensor Networks
May 18, 2010, 12:00am PDT
Ensuring communications security in Wireless Sensor Networks (WSNs) is very vital because the security protocols therein, should be devised to work at the link layer. Theoretically, any link layer...
Provided by Cornell University
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White Papers
Irida: A Real-Time Wireless Sensor Network Visualization Feedback Protocol
March 19, 2012, 12:00am PDT
In this paper, the authors describe the implementation of a real time visualization and feedback system for Wireless Sensor Network algorithms. The system is based on a fixed hardware testbed,...
Provided by Cornell University
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White Papers
A Fully Distributed Algorithm for Throughput Performance in Wireless Networks
March 18, 2012, 12:00am PDT
The authors study link scheduling in wireless networks under stochastic arrival processes of packets, and give an algorithm that achieves stability in the physical (SINR) interference model. The...
Provided by Cornell University
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White Papers
A Greedy Link Scheduler for Wireless Networks With Fading Channels
March 9, 2012, 12:00am PST
The authors consider the problem of link scheduling for wireless networks with fading channels, where the link rates are varying with time. Due to the high computational complexity of the...
Provided by Cornell University
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White Papers
Algorithms for Wireless Capacity
March 2, 2012, 12:00am PST
In this paper, the authors address two basic questions in wireless communication: First, how long does it take to schedule an arbitrary set of communication requests? Second, given a set of...
Provided by Cornell University
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White Papers
Worst-Case Additive Noise in Wireless Networks
February 13, 2012, 12:00am PST
An important classical result in Information Theory states that the Gaussian noise is the worst-case additive noise in point-to-point channels. In this paper, the authors significantly generalize...
Provided by Cornell University
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White Papers
Design of Wireless Electronic Stethoscope Based on Zigbee
December 22, 2011, 12:00am PST
Heart sound stethoscope is primary stage to access diseases. In this paper design of an electronic stethoscope with the functions of wireless transmission is discussed. This electronic stethoscope...
Provided by Cornell University
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White Papers
Timely Throughput of Heterogeneous Wireless Networks: Fundamental Limits and Algorithms
January 26, 2012, 12:00am PST
Consumer demand for data services over wireless networks has increased dramatically in recent years, fueled both by the success of online video streaming and popularity of video-friendly mobile...
Provided by Cornell University
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White Papers
Stability of the Max-Weight Protocol in Adversarial Wireless Networks
January 15, 2012, 12:00am PST
In this paper, the authors consider the MAX-WEIGHT protocol for routing and scheduling in wireless networks under an adversarial model. This protocol has received a significant amount of attention...
Provided by Cornell University
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White Papers
Ricean Shadowed Statistical Characterization of Shallow Water Acoustic Channels for Wireless Communications
November 8, 2011, 12:00am PST
In this paper, the statistical behaviour of the shallow water acoustic channel for wireless communications is shown to be well characterized by the Ricean shadowed distribution, which has never...
Provided by Cornell University
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White Papers
On the Impact of Energy Dissipation Model on Characteristic Distance in Wireless Networks
November 11, 2011, 12:00am PST
In this paper, the authors investigate the dependency of characteristic distance on energy dissipation model. Both the many-to-one and any-to-any communication paradigm have been presented for...
Provided by Cornell University
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White Papers
Wireless Capacity and Admission Control in Cognitive Radio
January 19, 2012, 12:00am PST
The authors give algorithms with constant-factor performance guarantees for several capacity and throughput problems in the SINR model. The algorithms are all based on a novel LP formulation for...
Provided by Cornell University
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White Papers
Convergence Analysis of Saddle Point Problems in Time Varying Wireless Systems - Control Theoretical Approach
September 13, 2011, 12:00am PDT
Saddle point problems arise from many wireless applications, and primal-dual iterative algorithms are widely applied to find the saddle points. In the existing literature, the convergence results...
Provided by Cornell University
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White Papers
MyProLang - My Programming Language
October 24, 2008, 12:00am PDT
Modern computer programming languages are governed by complex syntactic rules. They are unlike natural languages; they require extensive manual work and a significant amount of learning and...
Provided by Cornell University
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White Papers
Managing Communication Latency-Hiding at Runtime for Parallel Programming Languages and Libraries
January 18, 2012, 12:00am PST
This paper introduces a runtime model for managing communication with support for latency-hiding. The model enables non-computer science researchers to exploit communication latency-hiding...
Provided by Cornell University
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White Papers
Models of Quantum Computation and Quantum Programming Languages
December 3, 2011, 12:00am PST
The goal of this paper is to provide an introduction to the basic computational models used in quantum information theory. The authors review various models of quantum Turing machine, quantum...
Provided by Cornell University
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White Papers
A Theoretical and Empirical Evaluation of Software Component Search Engines, Semantic Search Engines and Google Search Engine in the Context of COTS-Based Development
January 8, 2012, 12:00am PST
COTS-based development is a component reuse approach promising to reduce costs and risks, and ensure higher quality. The growing availability of COTS components on the Web has concretized the...
Provided by Cornell University
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White Papers
Mathematical Principles in Software Quality Engineering
March 1, 2010, 12:00am PST
Mathematics has many useful properties for developing of complex software systems. One is that it can exactly describe a physical situation of the object or outcome of an action. Mathematics...
Provided by Cornell University
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White Papers
Top-Down Paradigm in Engineering Software Integration
August 6, 2009, 12:00am PDT
The top-down approach of engineering software integration is considered in this paper. A set of advantages of this approach are presented, by examples. All examples are supplied by open source...
Provided by Cornell University
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White Papers
Biometric Authentication Using Nonparametric Methods
August 10, 2010, 12:00am PDT
The physiological and behavioral trait is employed to develop biometric authentication systems. The proposed work deals with the authentication of iris and signature based on minimum variance...
Provided by Cornell University
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White Papers
Modeling Network Technology Deployment Rates With Different Network Models
April 6, 2011, 12:00am PDT
With a simple model for how new networking technologies get deployed throughout a network and applying it to different network models, the authors have seen how different network structures and...
Provided by Cornell University
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White Papers
A Large Family of Multi-Path Dual Congestion Control Algorithms
April 19, 2011, 12:00am PDT
The goal of traffic management is efficiently utilizing network resources via adapting of source sending rates and routes selection. Traditionally, this problem is formulated into a utilization...
Provided by Cornell University
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White Papers
Wireless MIMO Switching
April 20, 2011, 12:00am PDT
In a generic switching problem, a switching pattern consists of a one-to-one mapping from a set of inputs to a set of outputs (i.e., a permutation). The authors propose and investigate a wireless...
Provided by Cornell University
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White Papers
Nearly Optimal Bounds for Distributed Wireless Scheduling in the SINR Model
April 27, 2011, 12:00am PDT
The authors study the wireless scheduling problem in the physically realistic SINR model. More specifically: they are given a set of n links, each a sender-receiver pair. They would like to...
Provided by Cornell University
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White Papers
Stability of Networks Under General File Size Distribution With Alpha Fair Rate Allocation
September 18, 2009, 12:00am PDT
Convex optimization has been widely used to model bandwidth allocation policies among TCP flows in the Internet. When the offered load is less than capacity, stochastic stability of networks using...
Provided by Cornell University
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White Papers
Group-Decodable Space-Time Block Codes With Code Rate > 1
November 18, 2010, 12:00am PST
High-rate space-time block codes (STBC with code rate > 1) in Multi-Input Multi-Output (MIMO) systems are able to provide both spatial multiplexing gain and diversity gain, but have high Maximum...
Provided by Cornell University
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White Papers
Securing Mobile Ad Hoc Networks
January 1, 2012, 12:00am PST
The vision of nomadic computing with its ubiquitous access has stimulated much interest in the Mobile Ad Hoc NETworking (MANET) technology. Those infrastructureless, self-organized networks that...
Provided by Cornell University
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White Papers
Malicious Data Attacks on the Smart Grid
August 1, 2011, 12:00am PDT
Malicious attacks against power systems are investigated, in which an adversary controls a set of meters and is able to alter the measurements from those meters. Two regimes of attacks are...
Provided by Cornell University
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White Papers
A Comprehensive Approach to WSN-Based ITS Applications: A Survey
October 28, 2011, 12:00am PDT
In order to perform sensing tasks, most current Intelligent Transportation Systems (ITS) rely on expensive sensors, which offer only limited functionality. A more recent trend consists of using...
Provided by Cornell University
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White Papers
Analyzing the Performance of Probabilistic Algorithm in Noisy MANETs
August 1, 2010, 12:00am PDT
Probabilistic broadcast has been widely used as a flooding optimization mechanism to alleviate the effect of broadcast storm problem (BSP) in mobile ad hoc networks (MANETs). Many research studies...
Provided by Cornell University
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White Papers
Netsukuku
February 1, 2008, 12:00am PST
The Internet is a hierarchic network managed by multinational companies and organisations supported by governments. Each bit of Internet traffic passes through proprietary backbones and routers....
Provided by Cornell University
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White Papers
JANUS: An FPGA-Based System for High Performance Scientific Computing
April 8, 2008, 12:00am PDT
This paper describes JANUS, a modular massively parallel and reconfigurable FPGA-based computing system. Each JANUS module has a computational core and a host. The computational core is a 4x4...
Provided by Cornell University
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White Papers
The Problem of Localization in Networks of Randomly Deployed Nodes: Asymptotic and Finite Analysis, and Thresholds
October 2, 2007, 12:00am PDT
Consider a two dimensional domain S ?º ℜ2 containing two sets of nodes from two statistically independent uniform Poisson point processes with constant densities ?ÏL and ?ÏNL. The first...
Provided by Cornell University
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White Papers
Coding for Network Coding
November 26, 2007, 12:00am PST
The authors consider communication over a noisy network under randomized linear network coding. Possible error mechanism include node- or link-failures, Byzantine behavior of nodes, or an...
Provided by Cornell University
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White Papers
Distributed Consensus Algorithms in Sensor Networks With Imperfect Communication: Link Failures and Channel Noise
September 8, 2008, 12:00am PDT
The paper studies average consensus with random topologies (intermittent links) and noisy channels. Consensus with noise in the network links leads to the bias-variance dilemma - running consensus...
Provided by Cornell University
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White Papers
Translating OWL and Semantic Web Rules Into Prolog: Moving Toward Description Logic Programs
November 7, 2007, 12:00am PST
The authors are researching the interaction between the rule and the ontology layers of the Semantic Web, by comparing two options: using OWL and its rule extension SWRL to develop an integrated...
Provided by Cornell University
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White Papers
On Capacity Scaling in Arbitrary Wireless Networks
August 3, 2009, 12:00am PDT
recent work, Ozgur, Leveque, and Tse (2007) obtained a complete scaling characterization of throughput scaling for random extended wireless networks (i.e., n nodes are placed uniformly at random...
Provided by Cornell University
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White Papers
Towards a Participatory E-Larning 2.0
January 26, 2010, 12:00am PST
The aim is to propose a collaborative methodological approach centred on learners and based on the Web 2.0 tools in order to make E-learning 2.0. It is based on a process consisting of four...
Provided by Cornell University
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White Papers
Applying MVC and PAC Patterns in Mobile Applications
January 1, 2010, 12:00am PST
Additional requirements are set for mobile applications in relation to applications for desktop computers. These requirements primarily concern the support to different platforms on which such...
Provided by Cornell University
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White Papers
Dynamic Resource Allocation in Cognitive Radio Networks: A Convex Optimization Perspective
January 19, 2010, 12:00am PST
This paper provides an overview of the state-of-art results on communication resource allocation over space, time, and frequency for emerging Cognitive Radio (CR) wireless networks. Focusing on...
Provided by Cornell University
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White Papers
The Serializability of Network Codes
January 8, 2010, 12:00am PST
Network coding theory studies the transmission of information in networks whose vertices may perform nontrivial encoding and decoding operations on data as it passes through the network. The main...
Provided by Cornell University
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White Papers
Contextual Mobile Learning Strongly Related to Industrial Activities: Principles and Case Study
December 28, 2009, 12:00am PST
M-learning (mobile learning) can take various forms. The authors are interested in contextualized M-learning, i.e. the training related to the situation physically or logically localized....
Provided by Cornell University
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White Papers
Synchronization Analysis in Physical Layer Network Coding
December 30, 2009, 12:00am PST
Physical-layer Network Coding (PNC) makes use of the additive nature of the ElectroMagnetic (EM) waves to apply network coding arithmetic at the physical layer. With PNC, the destructive effect of...
Provided by Cornell University
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White Papers
Applying Software Defect Estimations: Using a Risk Matrix for Tuning Test Effort
November 11, 2007, 12:00am PST
Applying software defect estimation techniques and presenting this information in a compact and impactful decision table can clearly illustrate to collaborative groups how critical this position...
Provided by Cornell University
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White Papers
On the Defence Notion
November 5, 2007, 12:00am PST
Trojan Horses, "Logic Bombs", "Armoured Viruses" and "Cryptovirology" are terms recalling war gears. In fact, concepts of attack and defence drive the world of computer virology, which looks like...
Provided by Cornell University
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White Papers
Security Analysis of a Remote User Authentication Scheme With Smart Cards
August 14, 2007, 12:00am PDT
To gain the access rights on an Authentication Server (AS), a password based remote user authentication schemes is used. The remote user makes a login request with the help of some secret...
Provided by Cornell University
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White Papers
AccelKey Selection Method for Mobile Devices
February 5, 2008, 12:00am PST
Portable Electronic Devices usually utilize a small screen with limited viewing area and a keyboard with a limited number of keys. This makes it difficult to perform quick searches in data arrays...
Provided by Cornell University
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White Papers
Tardos fingerprinting is better than we thought
June 3, 2008, 12:00am PDT
Tardos has proposed a randomized fingerprinting code that is provably secure against collusion attacks. The authors revisit his scheme and show that it has significantly better performance than...
Provided by Cornell University
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White Papers
Multidimensional or Relational? How to Organize an On-Line Analytical Processing Database
March 20, 2011, 12:00am PDT
In the past few years, the number of On-line Analytical Processing (OLAP) applications increased quickly. These applications use two significantly different database structures: multidimensional...
Provided by Cornell University
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White Papers
The Key Exchange Cryptosystem Used With Higher Order Diophantine Equations
March 1, 2011, 12:00am PST
One-way functions are widely used for encrypting the secret in public key cryptography, although they are regarded as plausibly one-way but have not been proven so. Here the authors discuss the...
Provided by Cornell University
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White Papers
The Embedding Capacity of Information Flows Under Renewal Traffic
March 15, 2011, 12:00am PDT
Given two independent point processes and a certain rule for matching points between them, what is the fraction of matched points over infinitely long streams? In many application contexts, e.g.,...
Provided by Cornell University
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White Papers
On the Cost of Concurrency in Transactional Memory
March 10, 2011, 12:00am PST
The crux of Software Transactional Memory (STM) is to combine an easy-to-use programming interface with an efficient utilization of the concurrent computing abilities provided by modern machines....
Provided by Cornell University
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White Papers
DB Category: Denotational Semantics for View-based Database Mappings
February 1, 2011, 12:00am PST
The authors present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed database category DB,...
Provided by Cornell University
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White Papers
Parsing Transformative LR(1) Languages
February 7, 2008, 12:00am PST
The authors consider, as a means of making programming languages more flexible and powerful, a parsing algorithm in which the parser may freely modify the grammar while parsing. They are...
Provided by Cornell University
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White Papers
A Topology Visualisation Tool for Large-Scale Communications Networks
August 13, 2007, 12:00am PDT
A visualisation tool is presented to facilitate the study on large-scale communications networks. This tool provides a simple and effective way to summarise the topology of a complex network at a...
Provided by Cornell University
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White Papers
Algebraic Independence and Blackbox Identity Testing
February 14, 2011, 12:00am PST
Polynomial Identity Testing (PIT) is the problem of checking whether a given n-variate arithmetic circuit computes the zero polynomial in F[x1,. .., xn]. It is a central question in complexity...
Provided by Cornell University
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White Papers
Two-Unicast Wireless Networks: Characterizing the Degrees-of-Freedom
March 14, 2011, 12:00am PDT
The authors consider two-source two-destination (i.e., two-unicast) multi-hop wireless networks that have a layered structure with arbitrary connectivity. They show that, if the channel gains are...
Provided by Cornell University
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White Papers
The Virtual Reality Framework for Engineering Objects
February 1, 2008, 12:00am PST
Problems of virtual reality are indissolubly connected with other problems of science and engineering. The motion of objects in virtual reality is depended upon many different engineering related...
Provided by Cornell University
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White Papers
The Boundary Between Privacy and Utility in Data Anonymization
February 1, 2008, 12:00am PST
The authors consider the privacy problem in data publishing: given a relation I containing sensitive information "Anonymize" it to obtain a view V such that, on one hand attackers cannot learn any...
Provided by Cornell University
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White Papers
Asymptotic Fingerprinting Capacity for Non-Binary Alphabets
February 2, 2011, 12:00am PST
Watermarking provides a means for tracing the origin and distribution of digital data. Before distribution of digital content, the content is modified by applying an imperceptible WaterMark (WM),...
Provided by Cornell University
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White Papers
Optimal Band Allocation for Cognitive Cellular Networks
January 31, 2011, 12:00am PST
FCC new regulation for cognitive use of the TV white space spectrum provides a new means for improving traditional cellular network performance. But it also introduces a number of technical...
Provided by Cornell University
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White Papers
Truecluster: Robust Scalable Clustering With Model Selection
May 28, 2007, 12:00am PDT
Data-based classification is fundamental to most branches of science. While recent years have brought enormous progress in various areas of statistical computing and clustering, some general...
Provided by Cornell University
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White Papers
The Computing of Digital Ecosystems
January 28, 2011, 12:00am PST
A primary motivation for the research in digital ecosystems is the desire to exploit the self-organising properties of biological ecosystems. Ecosystems are thought to be robust, scalable...
Provided by Cornell University
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White Papers
Cognitive Routing With Stretched Network Awareness Through Hidden Markov Model Learning at Router Level
January 21, 2010, 12:00am PST
The routing of packets are generally performed based on the destination address and forward link channel available from the instantaneous router without sufficient cognizance of either the...
Provided by Cornell University
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White Papers
Software Components for Web Services
January 21, 2010, 12:00am PST
Service oriented software engineering has emerged to address software as a set of services which deal with user needs. Therefore a service may make call requests to a range of systems (integrated...
Provided by Cornell University
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White Papers
Fault Tolerance in Real Time Multiprocessors - Embedded Systems
January 21, 2010, 12:00am PST
All real time tasks which are termed as critical tasks by nature have to complete its execution before its deadline, even in presence of faults. The most popularly used real time task assignment...
Provided by Cornell University
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White Papers
Performance and Fault Tolerance in the StoreTorrent Parallel Filesystem
January 21, 2010, 12:00am PST
With a goal of supporting the timely and cost-effective analysis of Terabyte datasets on commodity components, the authors present and evaluate StoreTorrent, a simple distributed filesystem with...
Provided by Cornell University
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White Papers
Combinatorial Bounds and Characterizations of Splitting Authentication Codes
January 19, 2010, 12:00am PST
The authors present several generalizations of results for splitting authentication codes by studying the aspect of multi-fold security. As the two primary results, they prove a combinatorial...
Provided by Cornell University
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White Papers
Relaxation Control of Packet Arrival Rate in the Neighborhood of the Destination in Concentric Sensor Networks
October 20, 2009, 12:00am PDT
One of the challenges in the wireless sensor applications which are gaining much attention is the real-time transmission of continuous data packets across the network. Though advances in...
Provided by Cornell University
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White Papers
Cooperative Proxy Servers Architecture for VoD to Achieve High QoS With Reduced Transmission Time and Cost
January 21, 2010, 12:00am PST
The aim of this paper is to propose a novel Voice On Demand (VoD) architecture and implementation of an efficient load sharing algorithm to achieve Quality of Service (QoS). This scheme reduces...
Provided by Cornell University
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