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University of Maryland University College
(342 results)-
White Papers
Delivering It Services to the Enterprise Using Information Technology Infrastructure Library (ITIL) Processes
May 1, 2008, 12:00am PDT
Information Technology (IT) Service providers enjoy working in the fast lane, bringing bleeding edge technology to end-users who change requirements seemingly on whim. This week's Storage Area...
Provided by University of Maryland
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White Papers
Evaluating Attack Resiliency for Host Intrusion Detection Systems
April 1, 2008, 12:00am PDT
Host Intrusion Detection Systems (HIDSs) are important tools used to provide security to computer systems. Many HIDSs exist and security practitioners need a way to determine the optimal security...
Provided by University of Maryland
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White Papers
Fighting Spam With the NeighborhoodWatch DHT
January 19, 2009, 12:00am PST
This paper presents DHTBL, an anti-spam blacklist built upon a novel secure Distributed Hash Table (DHT). They show how DHTBL can be used to replace existing DNS-based Blacklists (DNSBLs) of IP...
Provided by University of Maryland
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White Papers
Cloud Computing and Information Policy: Computing in a Policy Cloud?
September 5, 2008, 12:00am PDT
Cloud computing is a computing platform that resides in a large data center and is able to dynamically provide servers the ability to address a wide range of needs, ranging from scientific...
Provided by University of Maryland
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White Papers
A Pegasus Over WiFi and WiMax Demo: Connectivity at High Speeds
September 29, 2009, 12:00am PDT
This paper presents Pegasus, a system providing wireless connection roaming at high velocities over multiple interfaces. The system operates over WiMax, as well as over "In situ" WiFi networks,...
Provided by University of Maryland
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White Papers
Loss Network Models and Multiple Metric Performance Sensitivity Analysis for Mobile Wireless Multi-Hop Networks
November 19, 2008, 12:00am PST
This paper develops and evaluates a new method for estimating and optimizing various performance metrics of mobile wireless multi-hop networks, including MANETs. The method utilizes approximate...
Provided by University of Maryland
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White Papers
Energy Efficient Implementation of G.729 for Wireless VoIP Application
July 1, 2008, 12:00am PDT
This paper describes the formatting guidelines for ACM SIG Proceedings. Traditionally silence in VoIP applications is detected by a VAD algorithm after G.729 compression, both have high...
Provided by University of Maryland
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White Papers
Integrated Lifecycle of IT Services in a Cloud Environment
October 13, 2009, 12:00am PDT
Virtualized Service models are now emerging and redefining the way information technology is delivered to end users. Current research is focused on specific pieces like service discovery,...
Provided by University of Maryland
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White Papers
New WiMAX Forum Lab to Develop Next-Generation Wireless Applications
November 14, 2009, 12:00am PST
With the widespread prevalence of handheld devices like PDAs, Internet Tablets, BlackBerries, and iPhones, people increasingly want and expect to be able to browse the internet at high speed...
Provided by University of Maryland
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White Papers
The Benefit-Cost Analysis of Security Focused Regulations
February 18, 2009, 12:00am PST
Security focused regulations have been largely exempt from the benefit-cost type of analysis required for major Federal regulations and done routinely in areas such as transportation, environment...
Provided by University of Maryland
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White Papers
Are Virtualized Overlay Networks Too Much of a Good Thing?
February 28, 2009, 12:00am PST
Peer-to-peer (P2P) networks have recently become one of the hottest topics in OS research. Starting with the explosion of popularity of Napster, researchers have become interested because of the...
Provided by University of Maryland
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White Papers
Data Compression in Sensor Networks
October 31, 2008, 12:00am PDT
Data compression issues arise in a sensor network when designing protocols for efficiently collecting all data observed by the sensor nodes at an Internet-connected base station. More formally,...
Provided by University of Maryland
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White Papers
Visualizing Multivariate Time Series Data to Detect Specific Medical Conditions
July 12, 2008, 12:00am PDT
Efficient unsupervised algorithms for the detection of patterns in time series data, often called motifs, have been used in many applications, such as identifying words in different languages,...
Provided by University of Maryland
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White Papers
Temporal Visualization of Planning Polygons for Efficient Partitioning of Geo-Spatial Data
January 1, 2010, 12:00am PST
Partitioning of geo-spatial data for efficient allocation of resources such as schools and emergency health care services is driven by a need to provide better and more effective services....
Provided by University of Maryland
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White Papers
Weathering the Storm: The Policy Implications of Cloud Computing
February 1, 2009, 12:00am PST
Throughout the history of computing, there have been several paradigm shifts from main-frames to mini computing to micro-processing to networked computers. On track to be the next major paradigm...
Provided by University of Maryland
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White Papers
Introduction to Data Analysis With Spreadsheets
January 24, 2009, 12:00am PST
In this physics laboratory one will use computer spreadsheets to record and analyze the data. This lab is a tutorial which teaches one about spreadsheets in general and specifically introduces a...
Provided by University of Maryland
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White Papers
Principles of Proper Inferences From Complex Survey Data
March 19, 2010, 12:00am PDT
This paper discusses commonly-encountered features of complex survey datasets that should be accounted for by employing the SURVEY family of SAS procedures. Concepts of clustering, stratification,...
Provided by University of Maryland
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Case Studies
On Web, Semantics, and Data Mining: Intrusion Detection as a Case Study
January 1, 2010, 12:00am PST
Data mining is defined as the process of discovering implicit, non trivial knowledge from large consolidated databases. This is done with the aim of using it to support tactical and strategic...
Provided by University of Maryland
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White Papers
Adapting Network Structure for Efficient Team Formation
January 1, 2010, 12:00am PST
The concept of team formation is central to a wide variety of disciplines, including planning and learning in multiagent systems, artificial social systems, and distributed artificial...
Provided by University of Maryland
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White Papers
Delay Tolerant Network Routing: Beyond Epidemic Routing
November 12, 2008, 12:00am PST
In this paper, authors identify two distinct classes of routing algorithms for Delay or Disruption Tolerant Networks (DTN). The purpose of this classification is to clearly delineate the...
Provided by University of Maryland
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White Papers
Debugging Support for Data Warehouse Applications
May 18, 2010, 12:00am PDT
The paper describes a model-based approach to developing a general tool for localizing faults in applications of data warehouse technology. A model of the application is configured from a library...
Provided by University of Maryland
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White Papers
Semantic Web Service Composition in Social Environments
August 14, 2009, 12:00am PDT
This paper describes how to generate compositions of semantic Web services using social trust information from user ratings of the services. The authors present taxonomy of features, such as...
Provided by University of Maryland
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White Papers
Semi-Automatic Composition of Web Services Using Semantic Descriptions
January 1, 2010, 12:00am PST
As web services become more prevalent, tools will be needed to help users find, filter and integrate these services. Composing existing services to obtain new functionality will prove to be...
Provided by University of Maryland
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White Papers
Multi-Objective Optimization Techniques in Topology Control of Free Space Optical Networks
May 8, 2008, 12:00am PDT
To mitigate the effects of obscuration and attenuation, Free Space Optical (FSO) wireless networks employ topology control to dynamically reconfigure node connectivity based on changes in link...
Provided by University of Maryland
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White Papers
COSI: Cloud Oriented Subgraph Identification in Massive Social Networks
May 25, 2010, 12:00am PDT
Subgraph matching is a key operation on graph data. Social Network (SN) providers may want to find all subgraphs within their social network that "Match" certain query graph patterns....
Provided by University of Maryland
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White Papers
Multiscale Analysis for Wireless LAN Traffic Characterization
January 1, 2010, 12:00am PST
In this paper, the author's overview the various network traffic models, especially focusing on the multiscale analysis. By multiscale analysis the authors mean wavelet-based self-similar and...
Provided by University of Maryland
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White Papers
An Accurate Technique for Measuring the Wireless Side of Wireless Networks
January 1, 2010, 12:00am PST
Wireless Monitoring (WM) is a passive approach for capturing wireless-side traffic with rich MAC/PHY layer information. WM can suffer, however, from low capture performance, i.e., high measurement...
Provided by University of Maryland
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White Papers
Admission Control for Multihop Wireless Backhaul Networks With QoS Support
January 1, 2010, 12:00am PST
Despite improvements in wireless access technologies such as 3G or 802.11x, ubiquitous data access has remained a challenge, mainly due to the lack of inexpensive, pervasive backhaul connections...
Provided by University of Maryland
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White Papers
Middleware for Programming NVIDIA GPUs From Fortran 9X
November 21, 2007, 12:00am PST
There is a revolution taking place in computing with the availability of commodity graphical processors capable of several hundred gigaflop performance and with multicore CPUs. Using these it...
Provided by University of Maryland
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White Papers
Middleware for Scientific Computing on GPUs From Fortran 95
September 27, 2008, 12:00am PDT
Scientific computing and numerical analysis techniques have been widely adapted and implemented in the Fortran language since its inception. Many successive versions of Fortran have allowed new...
Provided by University of Maryland
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White Papers
Bluetooth Traffic Monitoring Technology
September 24, 2008, 12:00am PDT
Beginning in late 2007 the University of Maryland, with support from the Maryland State Highway Administration, developed an anonymous probe technique to monitor the travel time on highways and...
Provided by University of Maryland
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White Papers
Design and Evaluation of a Common Access Point for Bluetooth, 802.11 and Wired LANs
January 1, 2010, 12:00am PST
Devices using wireless technologies like Bluetooth and 802.11b will be ubiquitous in the near future. The technologies supporting these devices will need to co-exist in order to support smooth...
Provided by University of Maryland
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White Papers
Sectored Random Projections for Cancelable Iris Biometrics
December 22, 2009, 12:00am PST
Privacy and security are essential requirements in practical biometric systems. In order to prevent the theft of biometric patterns, it is desired to modify them through revocable and non...
Provided by University of Maryland
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White Papers
Maximizing Path Durations in Mobile Ad-Hoc Networks
January 1, 2010, 12:00am PST
The authors study the problem of path selection in mobile ad-hoc networks. Based on the earlier results the authors propose a novel scheme that maximizes the expected durations of selected paths...
Provided by University of Maryland
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White Papers
Disappearing Dividends, Catering, And Risk
December 1, 2007, 12:00am PST
Fama and French (2001a) show that the propensity to pay dividends declines significantly between 1978 and 1999. The authors examine this "Disappearing dividends" puzzle through the lens of risk...
Provided by University of Maryland
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White Papers
Secure Spaces: Location-Based Secure Wireless Group Communication
January 1, 2010, 12:00am PST
This paper defines "Secure Space" as an enclosed area within which wireless devices can participate in secure group communication. A device is able to join a secure space group by the virtue of...
Provided by University of Maryland
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White Papers
On Secure Communication Over Wireless Erasure Networks
January 14, 2008, 12:00am PST
A special network model which incorporates the broadcast nature of wireless transmission and models each link as a memoryless erasure channel has proven to be a useful abstraction to study...
Provided by University of Maryland
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White Papers
Security Through Collaboration in MANETs
October 19, 2008, 12:00am PDT
It is well understood that Mobile Ad Hoc NETworks (MANETs) are extremely susceptible to a variety of attacks, and traditional security mechanisms do not work well. Many security schemes have been...
Provided by University of Maryland
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White Papers
A Quick Read On The State Of Small Business And The Small Business Success Index
March 12, 2009, 12:00am PDT
Competitiveness in this context is defined as the level of success a small business achieves in conducting the organizational activities critical to its short and long term viability. The more...
Provided by University of Maryland
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White Papers
Using Virtualization and Live Migration in a Scalable Mobile Wireless Testbed
June 7, 2010, 12:00am PDT
Laboratory-based mobile wireless testbeds such as MeshTest and the CMU Wireless Emulator are powerful platforms that allow users to perform controlled, repeatable, mobile wireless experiments in...
Provided by University of Maryland
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Whitepapers
An Immunologically-Inspired Adaptation Mechanism for Evolvable Network Applications
January 1, 2013, 12:00am PST
Large-scale network applications are expected to be more autonomous and adaptive to dynamic changes in the network to improve user experience, expand applications' operational longevity and reduce...
Provided by University of Maryland University College
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Whitepapers
An Adaptive, Scalable and Self-Healing Sensor Network Architecture for Autonomous Coastal Environmental Monitoring
January 1, 2013, 12:00am PST
Wireless Sensor Networks (WSNs) are key technology enablers for the current and near future security and surveillance systems. In order to build real-time, multi-modal, high resolution monitoring...
Provided by University of Maryland University College
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Whitepapers
A SpaceTime Oriented Macroprogramming Paradigm for Push-Pull Hybrid Sensor Networking
May 28, 2007, 12:00am PDT
This paper proposes a spatio-temporal macro-programming paradigm for push-pull hybrid Wireless Sensor Networks (WSNs). The proposed paradigm, called SpaceTime Oriented Programming (STOP), is...
Provided by University of Maryland University College
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Whitepapers
Modeling and Executing Adaptive Sensor Network Applications With the Matilda Uml Virtual Machine
October 5, 2007, 12:00am PDT
This paper proposes a Model-Driven Development (MDD) framework to manage the complexity of application development for Wireless Sensor Networks (WSNs). The proposed framework consists of a Unified...
Provided by University of Maryland University College
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Whitepapers
Macroprogramming Spatio-Temporal Event Detection and Data Collection in Wireless Sensor Networks: An Implementation and Evaluation Study
September 16, 2007, 12:00am PDT
This paper proposes and evaluates a spatio-temporal macroprogramming paradigm for Wireless Sensor Networks (WSNs). The proposed paradigm, called SpaceTime Oriented Programming (STOP), is designed...
Provided by University of Maryland University College
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Whitepapers
MONSOON: A Coevolutionary Multiobjective Adaptation Framework for DynamicWireless Sensor Networks
September 15, 2007, 12:00am PDT
Wireless Sensor Network applications (WSNs) are often required to simultaneously satisfy conflicting operational objectives (e.g., latency and power consumption). Based on an observation that...
Provided by University of Maryland University College
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Whitepapers
Exploring Self-Star Properties in Cognitive Sensor Networking
May 10, 2008, 12:00am PDT
Wireless Sensor Networks (WSNs) possess inherent tradeoffs among conflicting operational objectives such as data yield, data fidelity and power consumption. In order to address this challenge,...
Provided by University of Maryland University College
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Whitepapers
Middleware Support for Pluggable Non-Functional Properties in Wireless Sensor Networks
May 10, 2008, 12:00am PDT
Wireless Sensor Networks (WSN) imposes stringent constraints on efficiency, memory footprint and power consumption. Since the need to satisfy these constraints often results in tightly coupled...
Provided by University of Maryland University College
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Whitepapers
Toward Interoperable Publish/Subscribe Communication Between Wireless Sensor Networks and Access Networks
May 10, 2008, 12:00am PDT
Traditional Wireless Sensor Networks (WSNs) often do not consider interoperability between WSNs and access networks. To address the issue, this paper investigates interoperable publish/subscribe...
Provided by University of Maryland University College
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Whitepapers
Extensible and Precise Modeling for Wireless Sensor Networks
May 10, 2008, 12:00am PDT
Developing applications for Wireless Sensor Networks (WSN) is a complicated process because of the wide variety of WSN applications and low-level implementation details. Model-Driven Engineering...
Provided by University of Maryland University College
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Whitepapers
Self-Configurable Publish/Subscribe Middleware for Wireless Sensor Networks
May 10, 2008, 12:00am PDT
In the publish/subscribe (pub/sub) communication scheme in Wireless Sensor Networks (WSNs), there exist inherent tradeoffs among conflicting objectives in event publication. To address this issue,...
Provided by University of Maryland University College
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Whitepapers
Queuing Theoretic and Evolutionary Deployment Optimization With Probabilistic SLas for Service Oriented Clouds
May 10, 2008, 12:00am PDT
This paper envisions service-oriented applications in cloud computing environments. A service-oriented application consists of a set of services and a workflow. Each service encapsulates the...
Provided by University of Maryland University College
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Whitepapers
INet-EGT: An Evolutionarily Stable Adaptation Framework for Network Applications
May 10, 2008, 12:00am PDT
This paper studies a bio-inspired framework, iNet-EGT, to build autonomous adaptive network applications. In iNet-EGT, each application is designed as a set of agents, each of which provides a...
Provided by University of Maryland University College
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Whitepapers
An Evolutionary Game Theoretic Approach to Adaptive and Stable Application Deployment in Clouds
May 10, 2008, 12:00am PDT
This paper studies an evolutionary game theoretic mechanism for adaptive and stable application deployment in cloud computing environments. The proposed mechanism, called Nuage, allows...
Provided by University of Maryland University College
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Whitepapers
An Evolutionary Game Theoretic Framework for Adaptive, Cooperative and Stable Network Applications
August 28, 2008, 12:00am PDT
This paper investigates a bio-inspired framework, iNet-EGT/C, to build adaptive, cooperative and stable network applications. In this framework, each application is designed as a decentralized set...
Provided by University of Maryland University College
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Whitepapers
Self-Stabilizable Symbiosis for Cloud Data Center Applications: A Game Theoretic Perspective
September 14, 2012, 12:00am PDT
This paper describes and evaluates a self-stabilizable adaptation framework for data center applications. The design of the proposed architecture, SymbioticSphere, is inspired by key biological...
Provided by University of Maryland University College
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Whitepapers
Speaker Independent Single Channel Source Separation Using Sinusoidal Features
September 10, 2012, 12:00am PDT
Model-based approaches to achieve Single Channel Source Separation (SCSS) have been reasonably successful at separating two sources. However, most of the currently used model-based approaches...
Provided by University of Maryland University College
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Whitepapers
Dash: A Novel Search Engine for Database-Generated Dynamic Web Pages
April 13, 2012, 12:00am PDT
In the ever-growing World Wide Web (or the web, for brevity, hereafter), search engines are indispensable facilities enabling individuals to find web pages of interest efficiently. However, as...
Provided by University of Maryland University College
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Whitepapers
Low Spreading Loss in Underwater Acoustic Networks Reduces RTS/CTS Effectiveness
November 13, 2011, 12:00am PST
The relatively low spreading losses in underwater acoustic channels allows increased interference from distant interferers, which reduces the effectiveness of collision-avoidance MAC protocols....
Provided by University of Maryland University College
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Whitepapers
Optimal Error of Query Sets Under the Differentially-Private Matrix Mechanism
December 17, 2012, 12:00am PST
A common goal of privacy research is to release synthetic data that satisfies a formal privacy guarantee and can be used by an analyst in place of the original data. To achieve reasonable...
Provided by University of Maryland University College
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Whitepapers
Analysis of an Investment Social Network
May 24, 2012, 12:00am PDT
Much research has been done in the last several years on social network dynamics as online social networks have become ubiquitous. While networks like Facebook and LinkedIn have given the research...
Provided by University of Maryland University College
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Whitepapers
An Energy Transmission and Distribution Network Using Electric Vehicles
May 24, 2012, 12:00am PDT
Vehicle-to-grid provides a viable approach that feeds the battery energy stored in Electric Vehicles (EVs) back to the power grid. Meanwhile, since EVs are mobile, the energy in EVs can be easily...
Provided by University of Maryland University College
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Whitepapers
A Random Projection Approach to Subscription Covering Detection in Publish/Subscribe Systems
June 25, 2008, 12:00am PDT
Subscription covering detection is useful to improving the performance of any publish/subscribe system. However, an exact solution to querying coverings among a large set of subscriptions in high...
Provided by University of Maryland University College
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Whitepapers
Cost-Effective Multidimensional Publish/Subscribe Services in Sensor Networks
July 19, 2008, 12:00am PDT
Publish/subscribe services are natural applications of sensor networks as sensors are designed mainly to detect and notify upon events of interest. To enable these services, the brokerage...
Provided by University of Maryland University College
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Whitepapers
Hop-Count Based Techniques for Passive Target Localization in Sensor Networks
September 9, 2009, 12:00am PDT
Target tracking techniques usually assume that the target is within the detection range of one or more sensor nodes at known locations, so that the target's location can be determined based on...
Provided by University of Maryland University College
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Whitepapers
PUB-2-SUB: A Content-Based Publish/Subscribe Framework for Cooperative P2P Networks
March 13, 2009, 12:00am PDT
This paper is focused on the content-based publish/subscribe service and the authors' problem is to devise an efficient mechanism that enables this service in any given P2P network of cooperative...
Provided by University of Maryland University College
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Whitepapers
A Parsimonious Statistical Protocol for Generating Power-Law Networks
September 9, 2009, 12:00am PDT
The authors propose a new mechanism for generating networks with a wide variety of degree distributions. The idea is a modification of the well-studied preferential attachment scheme in which the...
Provided by University of Maryland University College
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Whitepapers
CRES: A Content-Based Routing Substrate for Large-Scale Data-Centric Sensor Networks
June 3, 2010, 12:00am PDT
The authors propose CRES as a substrate structure to enable content-based routing in large-scale sensor networks without location information. With CRES, traffic is routed based on its content...
Provided by University of Maryland University College
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Whitepapers
An Analysis of Activities in Facebook
September 30, 2010, 12:00am PDT
Human dynamics in real-world social networks has been a long lasting topic of research. Recently, the rapid growing of online social networks with their data made accessible has given researchers...
Provided by University of Maryland University College
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Whitepapers
DIBS: Efficient Distributed Information Brokerage in Large-Scale Sensor Networks
August 7, 2012, 12:00am PDT
This paper is focused on the problem of designing a distributed information brokerage infrastructure for sensor networks. The authors propose a solution, called DIBS, which is suitable for...
Provided by University of Maryland University College
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Whitepapers
Design of a Network Service Architecture
May 21, 2007, 12:00am PDT
Considerable research efforts in the networking community are focused on defining a new Internet architecture that not only solves some of the problems of the current design, but also meets future...
Provided by University of Maryland University College
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Whitepapers
Benchmarking BGP Routers
July 11, 2007, 12:00am PDT
Determining which routes to use when forwarding traffic is one of the major processing tasks in the control plane of computer networks. The authors present a novel benchmark that evaluates the...
Provided by University of Maryland University College
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Whitepapers
Massively Parallel Anomaly Detection in Online Network Measurement
May 11, 2008, 12:00am PDT
Detecting anomalies during the operation of a network is an important aspect of network management and security. Recent development of high-performance embedded processing systems allow traffic...
Provided by University of Maryland University College
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Whitepapers
Dynamic Workload Profiling and Task Allocation in Packet Processing Systems
March 25, 2008, 12:00am PDT
Computer networks require increasingly complex packet processing services on routers to adapt to new functionality, security, and performance requirements. Embedded multicore packet processing...
Provided by University of Maryland University College
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Whitepapers
A Credential-Based Data Path Architecture for Assurable Global Networking
August 23, 2007, 12:00am PDT
The main limitation for achieving information assurance in current data networks lies in absence of security considerations in the original Internet architecture. This shortcoming leads to the...
Provided by University of Maryland University College
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Whitepapers
A Distributed Routing Algorithm for Networks With Data-Path Services
May 12, 2008, 12:00am PDT
Many next-generation Internet architectures propose advanced packet processing functions in the data path of the network. Such "Services" are typically performed on some nodes along the path of a...
Provided by University of Maryland University College
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Whitepapers
A Scalable Distributed Routing Protocol for Networks With Data-Path Services
September 10, 2008, 12:00am PDT
Advanced packet processing functions in the data path of routers are commonly used in the current Internet and are likely to expand in next-generation networks. One of the key challenges related...
Provided by University of Maryland University College
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Whitepapers
A Framework for Network State Management in the Next-Generation Internet Architecture
August 8, 2008, 12:00am PDT
In the next-generation Internet architecture, more functionality will be placed in the data path of routers in the form of "Services" and other packet processing features. This trend will increase...
Provided by University of Maryland University College
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Whitepapers
Workload Generation and Instrumentation for Reproducible Networking Experiments
April 11, 2009, 12:00am PDT
The authors propose the design of a benchmarking and instrumentation component for the GENI experimental networking test-bed. Their design uses a workload generation system to create reproducible...
Provided by University of Maryland University College
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Whitepapers
Design of a System to Track Student Progress in Virtual Laboratories
March 23, 2009, 12:00am PDT
Laboratories are an important part of technical and scientific education. To amortize the cost of setup and maintenance, some laboratory facilities can be shared and via remote network access....
Provided by University of Maryland University College
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