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Cornell University
(819 results)-
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
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
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
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
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
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
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
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
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
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
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
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
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
Quantum Shortest Path Netsukuku
February 3, 2008, 12:00am PST
A completely dynamic network would requires rapid and frequent updates of the routes and this is in contrast with the stability and the scalability requirements of Netsukuku. For this reason, the...
Provided by Cornell University
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White Papers
Netsukuku Topology
February 3, 2008, 12:00am PST
The aim of Netsukuku is to be a (physical) scalable mesh network, completely distributed and decentralised, anonymous and autonomous. The software, which must be executed by every node of the net,...
Provided by Cornell University
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White Papers
Collaborative Knowledge Creation and Management in Information Retrieval
December 14, 2010, 12:00am PST
The final goal of Information Retrieval (IR) is knowledge production. However, it has been argued that knowledge production is not an individual effort but a collaborative effort. Collaboration in...
Provided by Cornell University
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White Papers
Generalized and Resource-Efficient VNet Embeddings With Migrations
December 18, 2010, 12:00am PST
Network virtualization technology is believed to be a key enabler for the "Future Internet" as it allows to overcome existing ossifications and facilitates fast innovations. A crucial feature of...
Provided by Cornell University
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White Papers
The Ethics of Robotics
December 27, 2010, 12:00am PST
The term 'Robot' first appeared in the play R.U.R (Rossum's Universal Robots) by Czech writer Karel Capek in the year 1921. The term arises from the Polish word 'Robota' which literally means...
Provided by Cornell University
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White Papers
A Note on the Secrecy Capacity of the Multi-Antenna Wiretap Channel
February 2, 2008, 12:00am PST
Recently, the secrecy capacity of the multi-antenna wiretap channel was characterized by Khisti and Wornell using a Sato-like argument. This paper presents an alternative characterization using a...
Provided by Cornell University
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White Papers
Parallelized Approximation Algorithms for Minimum Routing Cost Spanning Trees
February 5, 2008, 12:00am PST
Let G = (V, E) be an undirected graph with a nonnegative edge-weight function w: the routing cost of a spanning tree T of G is Σu,vЄVdT(u, v); where dT(u, v) denotes the weight of the...
Provided by Cornell University
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White Papers
Virtualization: A Double-Edged Sword
May 19, 2007, 12:00am PDT
Virtualization became recently a hot topic once again, after being dormant for more than twenty years. In the meantime, it has been almost forgotten, that virtual machines are not so perfect...
Provided by Cornell University
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White Papers
Fast Paths in Large-Scale Dynamic Road Networks
February 1, 2008, 12:00am PST
Efficiently computing fast paths in large-scale dynamic road networks (where dynamic traffic information is known over a part of the network) is a practical problem faced by several traffic...
Provided by Cornell University
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White Papers
Offline Algorithmic Techniques for Several Content Delivery Problems in Some Restricted Types of Distributed Systems
October 13, 2008, 12:00am PDT
In this paper the authors consider several content delivery problems (broadcast and multicast, in particular) in some restricted types of distributed systems (e.g. optical Grids and wireless...
Provided by Cornell University
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White Papers
Individual Privacy vs Population Privacy: Learning to Attack Anonymization
November 12, 2010, 12:00am PST
Over the last decade there have been great strides made in developing techniques to compute functions privately. In particular, Differential Privacy gives strong promises about conclusions that...
Provided by Cornell University
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White Papers
An Information Theoretic Analysis of Single Transceiver Passive RFID Networks
January 6, 2009, 12:00am PST
In this paper, the authors study single transceiver passive RFID networks by modeling the underlying physical system as a special cascade of a certain BroadCast Channel (BCC) and a multiple access...
Provided by Cornell University
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White Papers
Identification With Encrypted Biometric Data
September 7, 2009, 12:00am PDT
Biometrics make human identification possible with a sample of a biometric trait and an associated database. Classical identification techniques lead to privacy concerns. This paper introduces a...
Provided by Cornell University
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White Papers
Invertible Extractors and Wiretap Protocols
January 14, 2009, 12:00am PST
A wiretap protocol is a pair of randomized encoding and decoding functions such that knowledge of a bounded fraction of the encoding of a message reveals essentially no information about the...
Provided by Cornell University
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White Papers
On the Security of New Key Exchange Protocols Based on the Triple Decomposition Problem
December 6, 2007, 12:00am PST
The authors show that two new key exchange protocols with security based on the triple decomposition problem may have security based on the MSCSP. Recently a new key exchange primitive based the...
Provided by Cornell University
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White Papers
Exact Solutions for the Two-And All-Terminal Reliabilities of a Simple Ladder Network
February 1, 2008, 12:00am PST
The exact calculation of network reliability in a probabilistic context has been a long-standing issue of practical importance, but a difficult one, even for planar graphs, with perfect nodes and...
Provided by Cornell University
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White Papers
A Boundary Approximation Algorithm for Distributed Sensor Networks
January 22, 2009, 12:00am PST
The authors present an algorithm for boundary approximation in locally-linked sensor networks that communicate with a remote monitoring station. Delaunay triangulations and Voronoi diagrams are...
Provided by Cornell University
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White Papers
Mechanized Semantics for the Clight Subset of the C Language
January 23, 2009, 12:00am PST
This paper presents the formal semantics of a large subset of the C language called Clight. Clight includes pointer arithmetic, struct and union types, C loops and structured switch statements....
Provided by Cornell University
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White Papers
Adaptive FPGA NoC-Based Architecture for Multispectral Image Correlation
March 20, 2008, 12:00am PDT
An adaptive FPGA architecture based on the NoC (Network-on-Chip) approach is used for the multispectral image correlation. This architecture must contain several distance algorithms depending on...
Provided by Cornell University
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White Papers
Adaptive Algorithms for the Identification of Large Flows in IP Traffic
June 20, 2009, 12:00am PDT
The authors propose in this paper an on-line algorithm based on Bloom filters for identifying large flows in IP traffic (a.k.a. elephants). Because of the large number of small flows, hash tables...
Provided by Cornell University
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White Papers
New Algorithms and Lower Bounds for Sequential-Access Data Compression
February 1, 2009, 12:00am PST
This paper concerns sequential-access data compression, i.e., by algorithms that read the input one or more times from beginning to end. In this paper, the authors consider adaptive pre x coding,...
Provided by Cornell University
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White Papers
Malware Detection Using Attribute-Automata to Parse Abstract Behavioral Descriptions
February 2, 2009, 12:00am PST
Most behavioral detectors of malware remain specific to a given language and platform, mostly PE executables for Windows. The objective of this paper is to define a generic approach for behavioral...
Provided by Cornell University
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White Papers
Compressed Transmission of Route Descriptions
November 22, 2010, 12:00am PST
The authors present two methods to compress the description of a route in a road network, i.e., of a path in a directed graph. The first method represents a path by a sequence of via edges. The...
Provided by Cornell University
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White Papers
A Coder-Decoder Model for Use in Lossless Data Compression
November 22, 2010, 12:00am PST
This paper describes a technique of using a trigonometric function and combinatorial calculations to code or transform any finite sequence of binary numbers (0s and 1s) of any length to a unique...
Provided by Cornell University
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White Papers
A Model for Configuration Management of Open Software Systems
November 24, 2010, 12:00am PST
The paper proposes a model for the configuration management of open systems. The model aims at validation of configurations against given specifications. An extension of decision graphs is...
Provided by Cornell University
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White Papers
Performance Analysis of a 60 GHz Near Gigabit System for WPAN Applications
November 28, 2010, 12:00am PST
A 60 GHz wireless Gigabit Ethernet (G.E.) communication system capable of near gigabit data rate has been developed at IETR. The realized system covers 2 GHz available bandwidth. This paper...
Provided by Cornell University
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White Papers
A Secret Sharing Scheme Using Groups
August 30, 2010, 12:00am PDT
The problem of distributing a secret among a group of n persons in such a way that it can be reconstructed only if at least t of them combines their shares was solved independently by the authors...
Provided by Cornell University
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Whitepapers
Schema Formalisms for Unordered XML
March 18, 2013, 12:00am PDT
The authors consider unordered XML, where the relative order among siblings is ignored, and propose two simple yet practical schema formalisms: Disjunctive Multiplicity Schemas (DMS), and its...
Provided by Cornell University
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Whitepapers
An Overview of Wireless Local Area Networks
March 8, 2013, 12:00am PST
Wireless communication is an application of science and technology that has come to be vital for modern existence. From the early radio and telephone to current devices such as mobile phones and...
Provided by Cornell University
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Whitepapers
Wireless Congestion Control Protocol for Multihop Ad Hoc Networks
February 8, 2010, 12:00am PST
The traditional TCP congestion control mechanism encounters a number of new problems and suffers a poor performance when the IEEE 802.11 MAC protocol is used in multihop ad hoc networks. Many of...
Provided by Cornell University
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Whitepapers
Extracting Device Fingerprints From Flash Memory by Exploiting Physical Variations
April 12, 2011, 12:00am PDT
Many computing applications require the ability to uniquely identify a particular electronic device. Personalized services, digital rights management, and authentication schemes can all leverage...
Provided by Cornell University
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Whitepapers
Live Network Streaming With Utilities and Cost
June 29, 2012, 12:00am PDT
The growth in Internet traffic associated with video streaming and sharing of videos is so rapid that it may soon dwarf all other forms of Internet content. One reason for this is that only some...
Provided by Cornell University
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Whitepapers
A Review of Routing Protocols for Mobile Cognitive Radio Ad Hoc Networks
July 24, 2012, 12:00am PDT
Ad hoc network is a collection of wireless mobile nodes that dynamically form a temporary network without the use of any existing network infrastructure or centralized administration. A cognitive...
Provided by Cornell University
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Whitepapers
A Novel Algorithm for Crypto Key Generation by Unification of Encoding Plus Image Pixel Shuffling and Chaotic Blended Blum Blum Shub Generator and Its Applicability in Image Based Cryptosystems
July 14, 2011, 12:00am PDT
The use of the data exchange in e-way along with the tremendous growth in ecommerce and m-commerce has created an intense demand for information security. Information security becomes very...
Provided by Cornell University
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Whitepapers
Efficient Identification of Equivalences in Dynamic Graphs and Pedigree Structures
January 24, 2013, 12:00am PST
The authors propose a new framework for designing test and query functions for complex structures that vary across a given parameter such as genetic marker position. The operations they are...
Provided by Cornell University
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Whitepapers
Generalized Cut-Set Bounds for Broadcast Networks
January 24, 2013, 12:00am PST
A broadcast network is a classical network with all source messages collocated at a single source node. For broadcast networks, the standard cut-set bounds, which are known to be loose in general,...
Provided by Cornell University
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Whitepapers
Robust Estimators for Variance-Based Device-Free Localization and Tracking
October 10, 2011, 12:00am PDT
Human motion in the vicinity of a wireless link causes variations in the link Received Signal Strength (RSS). Device-Free Localization (DFL) systems, such as Variance-based Radio Tomographic...
Provided by Cornell University
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Whitepapers
Distributed Demand and Response Algorithm for Optimizing Social-Welfare in Smart Grid
February 10, 2012, 12:00am PST
This paper presents a distributed Demand and Response algorithm for smart grid with the objective of optimizing social-welfare. Assuming the power demand range is known or predictable ahead of...
Provided by Cornell University
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Whitepapers
Capacity of a Class of Multicast Tree Networks
October 19, 2011, 12:00am PDT
In this paper, the authors characterize the capacity of a new class of single-source multicast discrete memoryless relay networks having a tree topology in which the root node is the source and...
Provided by Cornell University
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Whitepapers
Capacity of Strong and Very Strong Gaussian Interference Relay-Without-Delay Channels
August 16, 2011, 12:00am PDT
In this paper, the authors study the interference relay-without-delay channel which is an interference channel with a relay helping the communication. They assume the relay's transmit symbol...
Provided by Cornell University
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Whitepapers
Demand Shaping to Achieve Steady Electricity Consumption With Load Balancing in a Smart Grid
December 8, 2012, 12:00am PST
The purpose of this paper is to study conflicting objectives between the grid operator and consumers in a future smart grid. Traditionally, customers in electricity grids have different demand...
Provided by Cornell University
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Whitepapers
The Half-Duplex AWGN Single-Relay Channel: Full Decoding or Partial Decoding?
July 30, 2012, 12:00am PDT
This paper compares the partial-decode-forward and the complete-decode-forward coding strategies for the half-duplex Gaussian single-relay channel. The authors analytically show that the rate...
Provided by Cornell University
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Whitepapers
The Curious Case of Non-Interactive Commitments
September 10, 2012, 12:00am PDT
It is well-known that one-way permutations (and even one-to-one one-way functions) imply the existence of non-interactive commitments. Furthermore the construction is black-box (i.e., the...
Provided by Cornell University
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Whitepapers
Intrusion Detection on Smartphones
November 28, 2012, 12:00am PST
Smartphone technology is more and more becoming the predominant communication tool for people across the world. People use their smartphones to keep their contact data, to browse the internet, to...
Provided by Cornell University
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Whitepapers
ShadowDB: A Replicated Database on a Synthesized Consensus Core
September 12, 2012, 12:00am PDT
This paper describes ShadowDB, a replicated version of the BerkeleyDB database. ShadowDB is a primary-backup based replication protocol where failure handling, the critical part of the protocol,...
Provided by Cornell University
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Whitepapers
A New Approach to Services Differentiation Between Mobile Terminals of a Wireless LAN
July 1, 2009, 12:00am PDT
This paper aims to identify the advantages and disadvantages of several mechanisms for service differentiation in mobile terminals of a wireless LAN to establish a better and more efficient...
Provided by Cornell University
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Whitepapers
Energy Balancing Through Cluster Head Selection Using K-Theorem in Homogeneous Wireless Sensor Networks
January 1, 2012, 12:00am PST
The objective of this paper is to increase life time of homogeneous Wireless Sensor Networks (WSNs) through minimizing long range communication and energy balancing. Sensor nodes are resource...
Provided by Cornell University
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Whitepapers
Optimal Scheduling of File Transfers with Divisible Sizes on Multiple Disjoint Paths
December 20, 2012, 12:00am PST
In this paper, the author investigates several offline and online data transfer scheduling problems and propose efficient algorithms and techniques for addressing them. In the offline case, he...
Provided by Cornell University
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Whitepapers
Cumulative Sum Algorithm for Detecting SYN Flooding Attacks
December 21, 2012, 12:00am PST
SYN flooding attacks generate enormous packets by a large number of agents and can easily exhaust the computing and communication resources of a victim within a short period of time. In this...
Provided by Cornell University
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Whitepapers
Secure CDMA Sequences
December 15, 2012, 12:00am PST
Mobile communications require flexible networks which can accommodate variable numbers of users under adverse propagation environments. Multiplexing by frequency or time division is inefficient...
Provided by Cornell University
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Whitepapers
A Comparative Study on the Performance of the Top DBMS Systems
February 1, 2012, 12:00am PST
Database management systems are today's most reliable mean to organize data into collections that can be searched and updated. However, many DBMS systems are available on the market each having...
Provided by Cornell University
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Whitepapers
Resource Allocation in Mobile WiMAX Network: An Optimal Approach
November 8, 2012, 12:00am PST
In the last few years there has been significant growth in the area of wireless communication. IEEE 802.16/WiMAX is the network which is designed for providing high speed wide area broadband...
Provided by Cornell University
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Whitepapers
A Software Tool for Legal Drafting
September 13, 2011, 12:00am PDT
Although many attempts at automated aids for legal drafting have been made, they were based on the construction of a new tool, completely from scratch. This is at least curious, considering that a...
Provided by Cornell University
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Whitepapers
Technologies for 3D Wafer Level Heterogeneous Integration
April 11, 2008, 12:00am PDT
3D integration is a fast growing field that encompasses different types of technologies. The paper addresses one of the most promising technology which uses Through Silicon Vias (TSV) for...
Provided by Cornell University
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Whitepapers
Symbian 'Vulnerability' and Mobile Threats
October 31, 2011, 12:00am PDT
Modern technologies are becoming ever more integrated with each other. Mobile phones are becoming increasing intelligent, and handsets are growing ever more like computers in functionality. The...
Provided by Cornell University
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Whitepapers
Google Android: A State-of-the-Art Review of Security Mechanisms
December 26, 2009, 12:00am PST
Google's Android is a comprehensive software framework for mobile communication devices (i.e., Smartphone, PDAs). The Android framework includes an operating system, middleware and a set of key...
Provided by Cornell University
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Whitepapers
The Transitivity of Trust Problem in the Interaction of Android Applications
April 6, 2012, 12:00am PDT
Mobile phones have developed into complex platforms with large numbers of installed applications and a wide range of sensitive data. Application security policies limit the permissions of each...
Provided by Cornell University
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Whitepapers
Mobile Learning Environment System (MLES): The Case of Android-Based Learning Application on Undergraduates' Learning
March 16, 2012, 12:00am PDT
Of late, mobile technology has introduced new, novel environment that can be capitalized to further enrich the teaching and learning process in classrooms. Taking cognizance of this promising...
Provided by Cornell University
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Whitepapers
On the Reliability of RAID Systems: An Argument for More Check Drives
February 16, 2012, 12:00am PST
In this paper, the authors address issues of reliability of RAID systems. They focus on "Big data" systems with a large number of drives and advanced error correction schemes beyond RAID 6. Their...
Provided by Cornell University
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Whitepapers
Partial-MDS Codes and Their Application to RAID Type of Architectures
May 7, 2012, 12:00am PDT
A family of codes with a natural two-dimensional structure is presented, inspired by an application of RAID type of architectures whose units are Solid State Drives (SSDs). Arrays of SSDs behave...
Provided by Cornell University
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Whitepapers
Map/Reduce Design and Implementation of Apriorialgorithm for Handling Voluminous Data-Sets
November 1, 2012, 12:00am PDT
Apriori is one of the key algorithms to generate frequent item-sets. Analyzing frequent item-set is a crucial step in analyzing structured data and in finding association relationship between...
Provided by Cornell University
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Whitepapers
Clustering Based Topology Control Protocol for Data Delivery in Wireless Sensor Networks
December 19, 2012, 12:00am PST
The issue of optimizing the limited and often non-renewable energy of sensor nodes due to its direct impact on network lifetime dominates every aspect of wireless sensor networks. Existing...
Provided by Cornell University
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Whitepapers
Measures of Fault Tolerance in Distributed Simulated Annealing
December 14, 2012, 12:00am PST
In this paper, the authors examine the different measures of Fault Tolerance in a Distributed Simulated Annealing process. Optimization by Simulated Annealing on a distributed system is prone to...
Provided by Cornell University
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Whitepapers
Proofs of Writing for Efficient and Robust Storage
December 14, 2012, 12:00am PST
The authors present PoWerStore, the first efficient robust storage protocol that achieves optimal latency without using digital signatures. PoWerStore's robustness comprises tolerating asynchrony,...
Provided by Cornell University
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Whitepapers
A Use Case Driven Approach for System Level Testing
December 11, 2012, 12:00am PST
Use case scenarios are created during the analysis phase to specify software system's requirements and can also be used for creating system level test cases. Using use cases to get system tests...
Provided by Cornell University
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Whitepapers
A Metric for Software Vulnerabilities Classication
December 15, 2012, 12:00am PST
A software bug is an error, flaw, mistake, failure, or fault in a computer program that prevents it from behaving as intended. Most bugs arise from mistakes and errors made by people in either a...
Provided by Cornell University
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Whitepapers
Feasibility Tests for Recurrent Real-Time Tasks in the Sporadic DAG Model
December 12, 2012, 12:00am PST
A model has been proposed in for representing recurrent precedence-constrained tasks to be executed on multiprocessor platforms, where each recurrent task is modeled by a Directed Acyclic Graph...
Provided by Cornell University
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