- Subscribe to this page:
- RSS
- Email Alert
University of Massachusetts
(273 results)-
White Papers
A Classical-marxian Model Of Education, Growth And Distribution
August 1, 2010, 12:00am PDT
This paper develops a classical-Marxian macroeconomic model to examine the growth and distributional consequences of education. First, the role of education in skill formation is considered and it...
Provided by University of Massachusetts Amherst
-
White Papers
Geographic Community Analysis of Mobile Social Network
August 15, 2009, 12:00am PDT
Location-based Mobile Social Networks (MSNs) are becoming increasingly popular given the success of Online Social Networks (OSNs), such as Facebook and MySpace, and recent availability of...
Provided by University of Massachusetts Lowell
-
White Papers
Some Stylized Facts On The Finance-dominated Accumulation Regime
July 16, 2007, 12:00am PDT
While there is an agreement that the Fordist accumulation regime has come to an end in the course of the 1970s, there is no agreement on how to characterize the post-Fordist regime (or if such is...
Provided by University of Massachusetts Amherst
-
White Papers
Understanding the Benefits of Opportunism and Cooperation in Multihop Wireless Networks
May 14, 2010, 12:00am PDT
Opportunism and cooperation have emerged as powerful techniques for increasing throughput in a wireless network by exploiting the broadcast nature of the medium. In this paper, the authors use...
Provided by University of Massachusetts
-
White Papers
Self-Tuning Routing Algorithms
August 13, 2010, 12:00am PDT
Self adapting protocols are attractive theoretically because they converge towards optimal operation, and practically because they eliminate classes of misconfiguration error. In order to achieve...
Provided by University of Massachusetts
-
White Papers
Secrecy in Wireless Relay Channels Through Cooperative Jamming
January 1, 2011, 12:00am PST
The ability to transmit a message securely in the presence of eavesdroppers in a dense wireless network is considered. As with a number of recent schemes, system nodes other than the transmitter...
Provided by University of Massachusetts
-
White Papers
Security-Capacity Trade-Off in Large Wireless Networks Using Keyless Secrecy
August 9, 2010, 12:00am PDT
This paper presented the first work studying the scalability of keyless secrecy in a generalized network setting when the eavesdropper locations are unknown. The authors described a novel...
Provided by University of Massachusetts
-
White Papers
Target Tracking With Packet Delays and Losses - QoI Amid Latencies and Missing Data
August 4, 2010, 12:00am PDT
In this paper, the authors investigate how network and measurement components impact the quality of a tracking system. Specifically, they use Bayesian information to quantify the quality of target...
Provided by University of Massachusetts
-
White Papers
Secrecy in Wireless Networks Through Cooperative Chatter
January 1, 2011, 12:00am PST
The secure transmission of information in wireless networks without knowledge of the eavesdroppers' locations is considered. Two key mechanisms are employed: artificial noise generation from...
Provided by University of Massachusetts
-
White Papers
Multi-Target Tracking Using Proximity Sensors
August 12, 2010, 12:00am PDT
The authors consider the problem of tracking multiple moving targets in a continuous field using proximity sensors, which are binary sensors that can sense target presence by performing local...
Provided by University of Massachusetts
-
White Papers
On the Application of Cooperative Transmission to Wireless Broadcast Channels
September 8, 2009, 12:00am PDT
In this paper, the authors study the application of cooperative diversity to wireless broadcast channels, a fundamental building block of wireless communication networks. Several cooperative...
Provided by University of Massachusetts
-
White Papers
A Stochastic Geometry Approach to Transmission Capacity in Wireless Cooperative Networks
August 17, 2009, 12:00am PDT
The authors use a simple propagation model that only includes distance dependent path-loss and co-channel interferences, where the interference behavior is clearly presented by the stochastic...
Provided by University of Massachusetts
-
White Papers
Neighbor Discovery in Wireless Networks and the Coupon Collector's Problem
August 16, 2009, 12:00am PDT
Neighbor discovery is one of the first steps in the self-organization of a large wireless network. Neighbor discovery algorithms can be classified into two categories, viz. randomized or...
Provided by University of Massachusetts
-
Whitepapers
Everlasting Secrecy by Exploiting Non-Idealities of the Eavesdropper's Receiver
October 5, 2012, 12:00am PDT
Secure communication over a memoryless wiretap channel in the presence of a passive eavesdropper is considered. Traditional information-theoretic security methods require an advantage for the main...
Provided by University of Massachusetts
-
White Papers
Full Connectivity and Percolation in Large Cooperative Wireless Networks
July 31, 2009, 12:00am PDT
The authors study how physical layer cooperation impacts the requirements for asymptotic connectivity of large wireless networks. Under a model where receivers in a connected cluster cooperate, as...
Provided by University of Massachusetts
-
Whitepapers
Modified Temporal Key Integrity Protocol For Efficient Wireless Network Security
May 30, 2007, 12:00am PDT
Temporal Key Integrity Protocol (TKIP) is the IEEE TaskGroupi's solution for the security loop holes present in the already widely deployed 802.11 hardware. It is a set of algorithms that wrap WEP...
Provided by University of Massachusetts Lowell
-
Whitepapers
Compiling Relational Database Schemata Into Probabilistic Graphical Models
December 5, 2012, 12:00am PST
A majority of scientific and commercial data is stored in relational databases. Probabilistic models over such datasets would allow probabilistic queries, error checking, and inference of missing...
Provided by University of Massachusetts
-
Whitepapers
Secure Transmission of an Image Using Partial Encryption Based Algorithm
February 1, 2013, 12:00am PST
Encryption is used to securely transmit data in open networks. Each type of data has its own features; therefore different techniques should be used to protect confidential image data from...
Provided by University of Massachusetts Lowell
-
White Papers
Defending Against XML-Based Attacks Using State-Based XML Firewall
February 22, 2011, 12:00am PST
With the proliferation of service-oriented systems and cloud computing, web services security has gained much attention in recent years. Web service attacks, called XML-based attacks, typically...
Provided by University of Massachusetts
-
White Papers
Robust Multipath Routing in Large Wireless Networks
January 14, 2011, 12:00am PST
One of the challenges of wireless networks is to provide a reliable end-to-end path between two end hosts in the face of link and node outages. These can occur due to fluctuations in channel...
Provided by University of Massachusetts
-
White Papers
A New Virtual Indexing Method for Measuring Host Connection Degrees
April 26, 2011, 12:00am PDT
The authors present a new virtual indexing method for estimating host connection degrees for high-speed links. It is based on the virtual connection degree sketch where a compact sketch of network...
Provided by University of Massachusetts
-
White Papers
E2R: Energy Efficient Routing for Multi-Hop Green Wireless Networks
March 15, 2011, 12:00am PDT
Wireless communication consumes a significant amount of energy in wireless networks. Most multi-hop wireless routing protocols are adopted from wired network routing protocols and use pre-selected...
Provided by University of Massachusetts
-
White Papers
On the Coverage and Detectability of Large-Scale Wireless Sensor Networks
March 23, 2010, 12:00am PDT
Advances in sensor and communication technologies have made it possible to manufacture small sensors with sensing, processing, and wireless communication capabilities in a cost-effective fashion....
Provided by University of Massachusetts
-
White Papers
Promoting Group Justice: Fiscal Policies In Post-conflict Countries
December 1, 2007, 12:00am PST
In the wake of violent conflict, a key element of building a durable peace is building a state with the ability to collect and manage public resources. To implement peace accords and to provide...
Provided by University of Massachusetts Amherst
-
White Papers
A Scheme To Coordinate Monetary And Fiscal Policies In The Euro Area
July 1, 2007, 12:00am PDT
This paper deals with the problems of coordination between monetary and fiscal policies in the Euro area. It examines how the existing institutions handle these problems and presents a proposal to...
Provided by University of Massachusetts Amherst
-
White Papers
Memory Buddies: Exploiting Page Sharing for Server Consolidation in Virtualized Data Centers
January 28, 2008, 12:00am PST
Modern data centers increasingly employ virtualization in order to maximize resource utilization while reducing costs. With the advent of multi-core processors, memory has become the key limiting...
Provided by University of Massachusetts
-
White Papers
Network Coding Aware Rate Selection in Multi-Rate IEEE 802.11
September 28, 2010, 12:00am PDT
Network coding has been proposed as an alternative to the conventional store-and-forward routing paradigm for data delivery in networks. When deployed in a multi-rate wireless network, network...
Provided by University of Massachusetts
-
White Papers
Redundancy-Aware Routing With Limited Resources
May 7, 2010, 12:00am PDT
Network load is reduced upon elimination of redundant data transfer. Redundancy Elimination (RE) techniques can be applied on a per-packet basis, and provide benefit regardless of application....
Provided by University of Massachusetts
-
White Papers
Modeling Redundancy-Based Routing in Delay Tolerant Networks
December 20, 2009, 12:00am PST
Delay Tolerant Networks (DTNs) are usually intermittently connected mobile wireless networks. Routing in delay tolerant networks is challenging because many well-known assumptions of traditional...
Provided by University of Massachusetts
-
White Papers
On the Benefits of Random Linear Coding for Unicast Applications in Disruption Tolerant Networks
January 1, 2011, 12:00am PST
In this paper, the authors investigate the benefits of using a form of network coding known as Random Linear Coding (RLC) for unicast communications in a mobile Disruption Tolerant Network (DTN)...
Provided by University of Massachusetts
-
White Papers
Dynamic Coverage of Mobile Sensor Network
January 1, 2011, 12:00am PST
In this paper, the authors study the dynamic aspects of the coverage of a mobile sensor network resulting from continuous movement of sensors. As sensors move around, initially uncovered locations...
Provided by University of Massachusetts Lowell
-
White Papers
Forensic Triage for Mobile Phones With DEC0DE
June 7, 2011, 12:00am PDT
The authors present DEC0DE, a system for recovering information from phones with unknown storage formats, a critical problem for forensic triage. Because phones have myriad custom hardware and...
Provided by University of Massachusetts
-
White Papers
An Analytical Study of People Mobility in Opportunistic Networks
May 15, 2008, 12:00am PDT
An opportunistic network is a type of Delay Tolerant Network (DTN) in which communication opportunities are intermittent. Moreover, an end-to-end path between the source and the destination may...
Provided by University of Massachusetts
-
White Papers
Impact of Data Fusion on Real-Time Detection in Sensor Networks
September 10, 2009, 12:00am PDT
Real-time detection is an important requirement of many mission-critical wireless sensor network applications such as battlefield monitoring and security surveillance. Due to the high network...
Provided by University of Massachusetts
-
White Papers
Underwater Sensor Barriers With Auction Algorithms
June 6, 2009, 12:00am PDT
With current technologies submarines can thwart active or passive sonar detection. A viable alternative to detect submissible vessels is to use magnetic or acoustic sensors in close proximity to...
Provided by University of Massachusetts
-
White Papers
Results on Finite Wireless Networks on a Line
June 30, 2010, 12:00am PDT
Today, due to the vast amount of literature on large-scale wireless networks, the people have a fair understanding of the asymptotic behavior of such networks. However, in real world the people...
Provided by University of Massachusetts
-
White Papers
Evaluation of the Universal Geocast Scheme for VANETs
September 28, 2011, 12:00am PDT
Recently, a number of communications schemes have been proposed for Vehicular Ad hoc NETworks (VANETs). A promising approach, the Universal Geocast Scheme (UGS), provides for a diverse variety of...
Provided by University of Massachusetts
-
White Papers
Analytical Design of Inter-Vehicular Communications for Collision Avoidance
September 28, 2011, 12:00am PDT
The authors address the analytical design of a communications system that seeks to provide timely safety information for drivers who are unaware of an imminent collision. They develop a model to...
Provided by University of Massachusetts
-
White Papers
A Universal Geocast Scheme for Vehicular Ad Hoc Networks
January 21, 2010, 12:00am PST
A universal communications scheme for Vehicular Ad hoc NETworks (VANETs) is proposed. This scheme accounts for a diverse variety of VANET-specific characteristics such as the gradual introduction...
Provided by University of Massachusetts
-
White Papers
A Geometrical Analysis of Obstructed Wireless Networks
August 3, 2009, 12:00am PDT
Obstructions between communicating pairs reduce the reliability of data transfer in high frequency wireless networks, for which Vehicular Ad Hoc Networks serve as an emerging example. In this...
Provided by University of Massachusetts
-
White Papers
The Effectiveness Of Monetary Policy Reconsidered
June 1, 2009, 12:00am PDT
This paper inspects the standard policy rule that under a flexible exchange rate regime with perfectly elastic capital flows monetary policy is effective and fiscal policy is not. The logical...
Provided by University of Massachusetts
-
White Papers
The Simple Analytics Of Debt-Driven Business Cycles
April 1, 2009, 12:00am PDT
This paper explores the economics of debt-driven business cycles, distinguishing between Keynesian and new Keynesian approaches. Keynesians emphasize the impact of borrowing and debt on Aggregate...
Provided by University of Massachusetts
-
White Papers
Structural Causes Of The Global Financial Crisis: A Critical Assessment Of The New Financial Architecture
September 1, 2008, 12:00am PDT
this paper is that the ultimate cause of the current global financial crisis is to be found in the deeply flawed institutions and practices of what is often referred to as the New Financial...
Provided by University of Massachusetts
-
White Papers
Workload Characterization of Spam Email Filtering Systems
January 1, 2010, 12:00am PST
Email systems have suffered from degraded quality of service due to rampant spam, phishing and fraudulent emails. This is partly because the classification speed of email filtering systems falls...
Provided by University of Massachusetts
-
White Papers
An Observation-based Approach Towards Selfmanaging Web Servers
January 1, 2011, 12:00am PST
The web server architectures that provide performance isolation, service differentiation, and QoS guarantees rely on external administrators to set the right parameter values for the desired...
Provided by University of Massachusetts
-
White Papers
Deadline Fair Scheduling: Bridging the Theory and Practice of Proportionate Fair Scheduling in Multiprocessor Systems
January 1, 2011, 12:00am PST
In this paper, the authors present Deadline Fair Scheduling (DFS), a proportionate-fair CPU scheduling algorithm for multiprocessor servers. A particular focus of the work is to investigate...
Provided by University of Massachusetts
-
White Papers
Surplus Fair Scheduling: A Proportional-Share CPU Scheduling Algorithm for Symmetric Multiprocessors
January 1, 2011, 12:00am PST
In this paper, the authors present Surplus Fair Scheduling (SFS), a proportional-share CPU scheduler designed for symmetric multiprocessors. They first show that the infeasibility of certain...
Provided by University of Massachusetts
-
White Papers
Distributed Image Search in Sensor Networks
July 22, 2008, 12:00am PDT
In this paper, the authors describe the design and implementation of a distributed search system over a camera sensor network where each node is a search engine that senses, stores and searches...
Provided by University of Massachusetts
-
White Papers
Opportunistic Sensing: Security Challenges for the New Paradigm
December 9, 2008, 12:00am PST
Since web workloads are known to vary dynamically with time, in this paper, the authors argue that dynamic resource allocation techniques are necessary in the presence of such workloads to provide...
Provided by University of Massachusetts
-
White Papers
Towards a Virtualized Sensing Environment
February 15, 2010, 12:00am PST
While deploying a sensor network is necessary for proof-of-concept experimentation, it is a time-consuming and tedious task that dramatically slows innovation. Treating sensor networks as shared...
Provided by University of Massachusetts
-
White Papers
Design Considerations for the Symphony Integrated Multimedia File System
January 1, 2011, 12:00am PST
A multimedia file system supports diverse application classes that access data with heterogeneous characteristics. In this paper, the authors describe the experiences in the design and...
Provided by University of Massachusetts
-
White Papers
SRCP: Simple Remote Control for Perpetual High-Power Sensor Networks
April 24, 2009, 12:00am PDT
Remote management is essential for Wireless Sensor Networks (WSNs) designed to run perpetually using harvested energy. A natural division of function for managing WSNs is to employ both an in-band...
Provided by University of Massachusetts
-
White Papers
Quantifying the Benefits of Resource Multiplexing in On-Demand Data Centers
January 1, 2011, 12:00am PST
On-demand data centers host multiple applications on server farms by dynamically provisioning resources in response to workload variations. The efficiency of such dynamic provisioning on the...
Provided by University of Massachusetts
-
White Papers
Cloudy Computing: Leveraging Weather Forecasts in Energy Harvesting Sensor Systems
January 1, 2011, 12:00am PST
To sustain perpetual operation, systems that harvest environmental energy must carefully regulate their usage to satisfy their demand. Regulating energy usage is challenging if a system's demands...
Provided by University of Massachusetts
-
White Papers
Networked Cloud Orchestration: A GENI Perspective
August 31, 2010, 12:00am PDT
This paper describes the experience of developing a system for creation of distributed linked configurations of heterogeneous resources (slices) in GENI. The work leverages a number of unique...
Provided by University of Massachusetts
-
White Papers
Resource Management in Data-Intensive Clouds: Opportunities and Challenges
April 1, 2010, 12:00am PDT
Today's cloud computing platforms have seen much success in running compute-bound applications with time-varying or one-time needs. In this position paper, the authors will argue that the cloud...
Provided by University of Massachusetts
-
White Papers
JReq: Database Queries in Imperative Languages
January 5, 2010, 12:00am PST
Instead of writing SQL queries directly, programmers often prefer writing all their code in a general purpose programming language like Java and having their programs be automatically rewritten to...
Provided by University of Massachusetts
-
White Papers
Design and Analysis of a Demand Adaptive and Locality Aware Streaming Media Server Cluster
January 1, 2011, 12:00am PST
The wide availability of broadband networking technologies such as cable modems and DSL coupled with the growing popularity of the Internet has led to a dramatic increase in the availability and...
Provided by University of Massachusetts
-
White Papers
Dolly: Virtualization-Driven Database Provisioning for the Cloud
March 11, 2011, 12:00am PST
Cloud computing platforms are becoming increasingly popular for e-commerce applications that can be scaled on-demand in a very cost effective way. Dynamic provisioning is used to autonomously add...
Provided by University of Massachusetts
-
White Papers
Scalable Consistency Maintenance in Content Distribution Networks Using Cooperative Leases
January 1, 2011, 12:00am PST
In this paper, the authors argue that cache consistency mechanisms designed for stand-alone proxies do not scale to the large number of proxies in a content distribution network and are not...
Provided by University of Massachusetts
-
White Papers
Cataclysm: Policing Extreme Overloads in Internet Services
January 1, 2011, 12:00am PST
In this paper the authors present the Cataclysm server platform for handling extreme overloads in hosted Internet applications. The primary contribution of the work is to develop a comprehensive...
Provided by University of Massachusetts
-
White Papers
Agile, Dynamic Provisioning of Multi-Tier Internet Applications
January 1, 2011, 12:00am PST
Dynamic capacity provisioning is a useful technique for handling the multi-time-scale variations seen in Internet workloads. In this paper, the authors propose a novel dynamic provisioning...
Provided by University of Massachusetts
-
White Papers
An Analytical Model for Multi-Tier Internet Services and Its Applications
January 1, 2011, 12:00am PST
Since many Internet applications employ a multi-tier architecture, in this paper, the authors focus on the problem of analytically modeling the behavior of such applications. They present a model...
Provided by University of Massachusetts
-
White Papers
Exploiting Overlap for Provisioning of Access Points in Wireless Networks
January 1, 2011, 12:00am PST
802.11 - based wireless LANs have become commonplace in home and office environments. In this paper, the authors address the problems of access point provisioning in congested hot spots and...
Provided by University of Massachusetts
-
White Papers
Effectiveness of Dynamic Resource Allocation for Handling Internet Flash Crowds
January 1, 2011, 12:00am PST
Internet data centers host multiple Web applications on shared hardware resources. These data centers are typically provisioned to meet the expected peak demands of the hosted applications based...
Provided by University of Massachusetts
-
White Papers
Pre-Analyzed Resource and Time Provisioning in Distributed Real-Time Systems: An Application to Mobile Robotics
January 1, 2011, 12:00am PST
The work is motivated by mobile robotic applications where a team of autonomous robots cooperate in achieving a goal, e.g., using sensor feeds to locate trapped humans in a building on fire. To...
Provided by University of Massachusetts
-
White Papers
Impact of Space-Time Multiplexing Granularity on Provisioning in On-Demand Data Centers: Opportunities and Challenges
January 1, 2011, 12:00am PST
On-demand data centers efficiently host multiple applications on shared hardware by dynamically provisioning resources in response to workload variations. In this paper, the authors use real-world...
Provided by University of Massachusetts
-
White Papers
Proxy-Assisted Power-Friendly Streaming to Mobile Devices
January 1, 2011, 12:00am PST
Since multimedia applications are known to be resource-hungry and mobile devices are resource-poor, in this paper, the authors propose techniques to reduce the energy consumption of streaming...
Provided by University of Massachusetts
-
White Papers
Scalable Techniques for Memory-efficient CDN Simulations
January 1, 2011, 12:00am PST
Since CDN simulations are known to be highly memory-intensive, in this paper, the authors argue the need for reducing the memory requirements of such simulations. They propose a novel...
Provided by University of Massachusetts
-
White Papers
Evaluation of Object Placement Techniques in a Policy-Managed Storage System
January 1, 2011, 12:00am PST
Storage management cost is a significant fraction of the total cost of ownership of large, enterprise storage systems. Consequently, software automation of common storage management tasks so as to...
Provided by University of Massachusetts
-
White Papers
An Online Optimization-Based Technique for Dynamic Resource Allocation in GPS Servers
January 1, 2011, 12:00am PST
Since web workloads are known to vary dynamically with time, in this paper, the authors argue that dynamic resource allocation techniques are necessary in the presence of such workloads to provide...
Provided by University of Massachusetts
-
White Papers
Resource Overbooking and Application Profiling in Shared Hosting Platforms
January 1, 2011, 12:00am PST
In this paper, the authors present techniques for provisioning CPU and network resources in shared hosting platforms running potentially antagonistic third-party applications. The primary...
Provided by University of Massachusetts
-
White Papers
A Multi-Agent Learning Approach to Online Distributed Resource Allocation
June 5, 2009, 12:00am PDT
Resource allocation in computing clusters is traditionally centralized, which limits the cluster scale. Effective resource allocation in a network of computing clusters may enable building larger...
Provided by University of Massachusetts
-
White Papers
Probabilistic Inference Over RFID Streams in Mobile Environments
June 27, 2008, 12:00am PDT
Recent innovations in RFID technology are enabling large-scale cost-effective deployments in retail, healthcare, pharmaceuticals and supply chain management. The advent of mobile or handheld...
Provided by University of Massachusetts
-
White Papers
Dynamic Provisioning of Multi-Tier Internet Applications
January 1, 2011, 12:00am PST
Dynamic capacity provisioning is a useful technique for handling the multi-time-scale variations seen in Internet workloads. In this paper, the authors propose a novel dynamic provisioning...
Provided by University of Massachusetts
-
White Papers
Exploiting the Interplay Between Memory and Flash Storage in Embedded Sensor Devices
June 8, 2010, 12:00am PDT
Although memory is an important constraint in embedded sensor nodes, existing embedded applications and systems are typically designed to work under the memory constraints of a single platform and...
Provided by University of Massachusetts
-
White Papers
A Class of New Protocol-Level Attacks Against Tor
February 25, 2009, 12:00am PST
Tor is a real-world, circuit-based low-latency anonymous communication network, supporting TCP applications over the Internet. In this paper, the authors present a new class of attacks,...
Provided by University of Massachusetts Lowell
-
White Papers
Blind Detection of Spread Spectrum Flow Watermarks
February 15, 2009, 12:00am PST
Recently, the Direct Sequence Spread-Spectrum (DSSS)-based technique has been proposed to trace anonymous network flows. In this technique, homogeneous Pseudo-Noise (PN) codes are used to modulate...
Provided by University of Massachusetts Lowell
-
White Papers
3DLoc: Three Dimensional Wireless Localization Toolkit
April 30, 2010, 12:00am PDT
In this paper, the authors present 3DLoc: an integrated system of hardware and software toolkits for locating an 802.11-compliant mobile device in a Three Dimensional (3D) space. 3DLoc features...
Provided by University of Massachusetts Lowell
-
White Papers
Analysis of a Location-Based Social Network
June 21, 2009, 12:00am PDT
Location-based Social Networks (LSNs) allow users to see where their friends are, to search location-tagged content within their social graph, and to meet others nearby. The recent availability of...
Provided by University of Massachusetts Lowell
Keep Up with TechRepublic
Submit a Paper
Get your content listed in our directory!
Our directory is the largest library of vendor-supplied technical content on the Web. It’s also the first place IT decision makers turn to when researching technology solutions. Our members are already finding your competitors’ papers here - shouldn’t they find yours, too? It's FREE so click here and submit your white paper, case study, data sheet, research report, or other document today!
