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Cornell University
(819 results)-
White Papers
Benchmarking The Effective Literacy Rate
September 5, 2007, 12:00am PDT
By now the importance of literacy in the process of development is widely accepted. However, unlike measuring welfare or inequality, the problem of literacy measurement remains largely unexamined....
Provided by Cornell University
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White Papers
Nation-State Routing: Censorship, Wiretapping, and BGP
March 18, 2009, 12:00am PDT
The treatment of Internet traffic is increasingly affected by national policies that require the ISPs in a country to adopt common protocols or practices. Examples include government enforced...
Provided by Cornell University
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White Papers
Energy and Environmental Aspects of Mobile Communication Systems
February 1, 2011, 12:00am PST
The reduction of the energy consumptions of a Telecommunication Power System represents one of the critical factors of the telecommunication technologies, both to allow a sizeable saving of...
Provided by Cornell University
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White Papers
A Flow-Aware Mac Protocol for a Passive Optical Metropolitan Area Network
February 17, 2011, 12:00am PST
The paper introduces an original MAC protocol for a passive optical metropolitan area network using Time-domain Wavelength Interleaved Networking (TWIN). Optical channels are shared under the...
Provided by Cornell University
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White Papers
Is Service Innovation Different?
August 22, 2008, 12:00am PDT
This exploratory empirical study compares the determinants of innovation in manufacturing and services through descriptive and regression analyses of sales from innovative products and services....
Provided by Cornell University
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White Papers
Enabling Parallelization Via a Reconfigurable Chip Multiprocessor
May 23, 2010, 12:00am PDT
While reconfigurable computing has traditionally involved attaching a reconfigurable fabric to a single processor core, the prospect of large-scale CMPs calls for a reevaluation of reconfigurable...
Provided by Cornell University
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White Papers
Database Research Opportunities in Computer Games
October 9, 2007, 12:00am PDT
This paper outlines several ways in which the database community can contribute to the development of technology for computer games. The authors outline the architecture of different types of...
Provided by Cornell University
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White Papers
Sharing the Data Center Network
March 3, 2011, 12:00am PST
While today's data centers are multiplexed across many non-cooperating applications, they lack effective means to share their network. Relying on TCP's congestion control, as the authors show from...
Provided by Cornell University
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White Papers
Forest: A Language and Toolkit for Programming With Filestores
December 1, 2010, 12:00am PST
Many applications use the file system as a simple persistent data store. This approach is expedient, but not robust. The correctness of such an application depends on the collection of files,...
Provided by Cornell University
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White Papers
Implementation of Connectivity and Handover Through Wireless Sensor Node Based Techniques
January 29, 2010, 12:00am PST
A wireless sensor network (WSN) is a wireless network consisting of spatially distributed autonomous devices using sensors to co-operatively monitor physical or environmental conditions, such as...
Provided by Cornell University
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White Papers
RFID Key Establishment Against Active Adversaries
January 28, 2010, 12:00am PST
Wireless communication is the source of many opportunities and challenges, one of which being its confidentiality. A convenient way to achieve confidentiality is to use cryptography, which...
Provided by Cornell University
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White Papers
VLSI Architectures for WIMAX Channel Decoders
December 28, 2009, 12:00am PST
WIMAX has gained a wide popularity due to the growing interest and diffusion of broadband wireless access systems. In order to be flexible and reliable WIMAX adopts several different channel...
Provided by Cornell University
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White Papers
Rate Region of the Gaussian Scalar-Help-Vector Source-Coding Problem
January 26, 2010, 12:00am PST
The authors determine the rate region of the Gaussian scalar-help-vector source-coding problem under a covariance matrix distortion constraint. The rate region is achieved by a Gaussian achievable...
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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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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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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Whitepapers
Relay Augmentation for Lifetime Extension of Wireless Sensor Networks
January 21, 2013, 12:00am PST
The authors propose a novel relay augmentation strategy for extending the lifetime of a certain class of Wireless Sensor Networks. In this class, sensors are located at fixed and pre-determined...
Provided by Cornell University
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Whitepapers
The Capacity of Wireless Channels: A Physical Approach
January 29, 2013, 12:00am PST
The capacity of Multiple-Input Multiple-Output (MIMO) channels has been considered to be severely limited by the size of antenna arrays. The capacity scaling for a three-dimensional network and...
Provided by Cornell University
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Whitepapers
Towards Optimal Broadcast in Wireless Networks
January 29, 2013, 12:00am PST
Broadcast is a fundamental operation in networks, especially in wireless Mobile Ad-hoc NETworks (MANETs). For example, some form of broadcasting is used by all on-demand MANET routing protocols,...
Provided by Cornell University
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Whitepapers
Energy-Efficient Power Allocation in OFDM Systems with Wireless Information and Power Transfer
January 31, 2013, 12:00am PST
In this paper, the authors consider an Orthogonal Frequency Division Multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed...
Provided by Cornell University
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Whitepapers
Throughput Analysis of CSMA Wireless Networks with Finite Offered-Load
February 19, 2013, 12:00am PST
In this paper, the authors propose an approximate method, Equivalent Access Intensity (EAI), for the throughput analysis of CSMA wireless networks in which links have finite offered-load and their...
Provided by Cornell University
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Whitepapers
Joint Physical Network Coding and LDPC decoding for Two Way Wireless Relaying
February 20, 2013, 12:00am PST
In this paper, the authors investigate the joint design of channel and network coding in bi-directional relaying systems and propose a combined low complexity physical network coding and LDPC...
Provided by Cornell University
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Whitepapers
Wireless Intrusion Detection Systems (WIDS)
February 27, 2013, 12:00am PST
The rapid proliferation of wireless networks and mobile computing applications has changed the landscape of network security, the wireless networks have changed the way business, organizations...
Provided by Cornell University
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Whitepapers
Spectral Efficient Optimization in OFDM Systems with Wireless Information and Power Transfer
March 2, 2013, 12:00am PST
In this paper, the authors consider an Orthogonal Frequency Division Multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer....
Provided by Cornell University
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Whitepapers
Anytime Reliable LDPC Convolutional Codes for Networked Control Over Wireless Channel
March 5, 2013, 12:00am PST
In this paper, the authors deal with the problem of stabilizing an unstable system through networked control over the wireless medium. In such a situation, a remote sensor communicates the...
Provided by Cornell University
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Whitepapers
Efficient Compressive Sampling of Spatially Sparse Fields in Wireless Sensor Networks
January 25, 2013, 12:00am PST
Wireless Sensor Networks (WSN), i.e. networks of autonomous, wireless sensing nodes spatially deployed over a geographical area, are often faced with acquisition of spatially sparse fields. In...
Provided by Cornell University
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Whitepapers
Secure Wireless Communications via Cooperative Transmitting
March 11, 2013, 12:00am PDT
Information theoretic secrecy is combined with cryptographic secrecy to create a secret-key exchange protocol for wireless networks. A network of transmitters, which already have cryptographically...
Provided by Cornell University
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Whitepapers
Low-Complexity Channel Estimation with Set-Membership Algorithms for Cooperative Wireless Sensor Networks
March 15, 2013, 12:00am PDT
In this paper, the authors consider a general cooperative Wireless Sensor Network (WSN) with multiple hops and the problem of channel estimation. Two matrix-based set-membership algorithms are...
Provided by Cornell University
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Whitepapers
Wireless Information and Power Transfer: Energy Efficiency Optimization in OFDMA Systems
March 16, 2013, 12:00am PDT
In this paper, the authors consider Orthogonal Frequency Division Multiple Access (OFDMA) systems with simultaneous wireless information and power transfer. They study the resource allocation...
Provided by Cornell University
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Whitepapers
Clustering Based Lifetime Maximizing Aggregation Tree for Wireless Sensor Networks
January 15, 2013, 12:00am PST
Energy efficiency is the most important issue in all facets of Wireless Sensor Networks (WSNs) operations because of the limited and non-replenish able energy supply. Data aggregation mechanism is...
Provided by Cornell University
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Whitepapers
A Practical System for Improved Efficiency in Frequency Division Multiplexed Wireless Networks
March 27, 2013, 12:00am PDT
Spectral efficiency is a key design issue for all wireless communication systems. Orthogonal Frequency Division Multiplexing (OFDM) is a very well-known technique for efficient data transmission...
Provided by Cornell University
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Whitepapers
Adaptive Energy-Aware Encoding for DWT-Based Wireless EEG Monitoring System
March 30, 2013, 12:00am PDT
Wireless ElectroencephaloGraphy (EEG) tele-monitoring systems performing encoding and streaming over energy-hungry wireless channels are limited in energy supply. However, excessive power...
Provided by Cornell University
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Whitepapers
Closed-Form Rate Outage Probability for OFDMA Multi-Hop Broadband Wireless Networks Under Nakagami-m Channels
March 31, 2013, 12:00am PDT
Rate outage probability is an important performance metric to measure the level of Quality of Service (QoS) in the Generation (4G) broadband access networks. Thus, in this paper, the authors...
Provided by Cornell University
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Whitepapers
CloudSVM : Training an SVM Classi Er in Cloud Computing Systems
January 1, 2013, 12:00am PST
In conventional method, distributed Support Vector Machines (SVM) algorithms are trained over pre-configured intranet/internet environments to find out an optimal classifier. These methods are...
Provided by Cornell University
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Whitepapers
On Weak Dress Codes for Cloud Storage
February 15, 2013, 12:00am PST
In a distributed storage network, reliability and bandwidth optimization can be provided by regenerating codes. Recently table based regenerating codes viz. DRESS (Distributed Replication-based...
Provided by Cornell University
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Whitepapers
A Genetic Algorithm for Power-Aware Virtual Machine Allocation in Private Cloud
February 19, 2013, 12:00am PST
Energy efficiency has become an important measurement of scheduling algorithm for private cloud. The challenge is trade-off between minimizing of energy consumption and satisfying Quality of...
Provided by Cornell University
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Whitepapers
Integration of SOA and Cloud Computing in RMODP
August 7, 2012, 12:00am PDT
The objective of ODP is according to ITU-T Recommendation X.901 stated as follows: "The objective of ODP standardization is the development of standards that allow the benefits of distributing...
Provided by Cornell University
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Whitepapers
Enhanced Security for Cloud Storage Using File Encryption
March 28, 2013, 12:00am PDT
Cloud computing is a term coined to a network that offers incredible processing power, a wide array of storage space and unbelievable speed of computation. Social media channels, corporate...
Provided by Cornell University
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Whitepapers
Reputation Algebra for Cloud-Based Anonymous Data Storage Systems
July 19, 2012, 12:00am PDT
Given a cloud-based anonymous data storage system, there are two ways for managing the nodes involved in file transfers. One of them is using reputations and the other uses a micropayment system....
Provided by Cornell University
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Whitepapers
A New Metric for Routing in Multi-Hop Wireless Sensor Networks for Detection of Correlated Random Fields
January 1, 2013, 12:00am PST
The problem of combining task performance and routing for the detection of correlated random fields using multi-hop wireless sensor networks is considered. Under the assumption of Gauss-Markov...
Provided by Cornell University
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Whitepapers
Advanced Digital Steganography using Encrypted Secret Message and Encrypted Embedded Cover File
May 1, 2012, 12:00am PDT
In this paper, the authors are proposing a new steganography method to hide any encrypted secret message in multiple steps. The secret message is encrypted using TTJSA algorithm. The authors embed...
Provided by Cornell University
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Whitepapers
Testing Java implementations of Algebraic Specifications
March 6, 2013, 12:00am PST
In this paper, the authors focus on exploiting a specification and the structures that satisfy it, to obtain a means of comparing implemented and expected behaviors and find the origin of faults...
Provided by Cornell University
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Whitepapers
Software Engineering and Complexity in Effective Algebraic Geometry
April 25, 2012, 12:00am PDT
One may represent polynomials not only by their coefficients but also by arithmetic circuits which evaluate them. This idea allowed in the last fifteen years considerable complexity progress in...
Provided by Cornell University
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Whitepapers
The Study and Approach of Software Re-Engineering
October 2, 2011, 12:00am PDT
The nature of software re-engineering is to improve or transform existing software so it can be understood, controlled and reused as new software. Needs, the necessity of re-engineering software...
Provided by Cornell University
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Whitepapers
How Many Software Engineering Professionals Hold This Certificate?
December 1, 2012, 12:00am PST
Estimates of quantity of the certificates issued during 10 years of existence of the professional's certification program in the area of software engineering implemented by one of the leading...
Provided by Cornell University
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Whitepapers
Automatic Performance Debugging of SPMD Parallel Programs
February 23, 2010, 12:00am PST
Automatic performance debugging of parallel applications usually involves two steps: automatic detection of performance bottlenecks and uncovering their root causes for performance optimization....
Provided by Cornell University
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Whitepapers
Wi-Fi & WiMAX: A Comparative Study
February 26, 2013, 12:00am PST
Usually broadband wireless access networks are considered to be enterprise level networks providing the user with more capacity as well as coverage. The authors have seen that in remote...
Provided by Cornell University
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Whitepapers
Challenges of Next-Generation Wireless Sensor Networks and its Impact on Society
February 23, 2010, 12:00am PST
Wireless Sensor Networks (WSNs) have gained worldwide attention in recent years, particularly with the proliferation in Micro-Electro-Mechanical Systems (MEMS) technology which has facilitated the...
Provided by Cornell University
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Whitepapers
Cost Efficient High Capacity Indoor Wireless Access: Denser Wi-Fi or Coordinated Pico-cellular?
November 19, 2012, 12:00am PST
Rapidly increasing traffic demand has forced indoor operators to deploy more and more Wi-Fi Access Points (APs). As AP density increases, inter-AP interference rises and may limit the capacity....
Provided by Cornell University
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Whitepapers
Energy Efficiency of Network Cooperation for Cellular Uplink Transmissions
January 31, 2013, 12:00am PST
There is a growing interest in energy efficient or so-called "Green" wireless communication to reduce the energy consumption in cellular networks. Since today's wireless terminals are typically...
Provided by Cornell University
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Whitepapers
Autoplot: A Browser for Scientific Data on the Web
April 14, 2010, 12:00am PDT
Autoplot is software developed for the Virtual Observatories in Heliophysics to provide intelligent and automated plotting capabilities for many typical data products that are stored in a variety...
Provided by Cornell University
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Whitepapers
Implementing a Web Browser with Phishing Detection Techniques
October 3, 2011, 12:00am PDT
Phishing is the combination of social engineering and technical exploits designed to convince a victim to provide personal information, usually for the monetary gain of the attacker. Phishing has...
Provided by Cornell University
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Whitepapers
Effort-Oriented Classification Matrix of Web Service Composition
December 28, 2009, 12:00am PST
Within the service-oriented computing domain, Web service composition is an effective realization to satisfy the rapidly changing requirements of business. Therefore, the research into Web service...
Provided by Cornell University
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Whitepapers
An Efficient Hybrid Localization Technique in Wireless Sensor Networks
January 14, 2013, 12:00am PST
Sensor nodes are low cost, low power devices that are used to collect physical data and monitor environmental conditions from remote locations. Wireless Sensor Networks (WSN's) are collection of...
Provided by Cornell University
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Whitepapers
CellTV - on the Benefit of TV Distribution Over Cellular Networks: A Case Study
March 20, 2013, 12:00am PDT
As mobile IP-access is becoming the dominant technology for providing wireless services, the demand for more spectrum for this type of access is increasing rapidly. Since IP-access can be used for...
Provided by Cornell University
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Whitepapers
Link Scheduling for Multiple Multicast Sessions in Distributed Wireless Networks
March 22, 2013, 12:00am PDT
In this paper, the authors investigate link scheduling algorithms for throughput maximization in multicast wireless networks. According to their system model, each source node transmits to a...
Provided by Cornell University
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