Social Positions at Sourceforge.net (2009)
from activity data gathered from the Sourceforge.net research portal and Concurrent Version System (CVS) repositories. Using a novel clustering algorithm, we extract the social positions for the...
Greg Madey, Renee Tynan, Vincent Freeh
The OSS movement is a phenomenon that challenges many traditional theories in economics, software engineering, business strategy, and IT management. Thousands of software programmers are spending...
VectorBase: a data resource for invertebrate vector genomics (2009)
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase (http://www.vectorbase.org) is an NIAID-funded Bioinformatic Resource Center focused on invertebrate vectors of human pathogens. VectorBase annotates and curates vector genomes providing a...
Greg Madey, Yongqin Gao, Vincent Freeh, Renee Tynan, Chris Hoffman
We describe a research framework for studying social systems. The framework uses agent-based modeling and simulation as key components in the process of discovery and understanding. A collaborative...
WIPER: A Multi-Agent System for Emergency Response (2008)
Timothy Schoenharl, Gábor Szabó, Greg Madey, Albert-László Barabási
This paper describes the proposed WIPER system. WIPER is intended to provide emergency planners and responders with an integrated system that will help to detect possible emergencies, as well as to...
Yongqin Gao, Vincent Freeh, Greg Madey
The Open Source Software (OSS) development movement is a classic example of a social network. It is also a prototype of a complex evolving network. After over two years of collecting developer and...
Alec Pawling, Tim Schoenharl, Ping Yan, Greg Madey
This paper describes the WIPER system, a proof of concept prototype, and progress made on its development to date. WIPER is intended to provide emergency response managers with an integrated system...
Network Analysis of the SourceForge.net Community (2008)
Summary. Software is central to the functioning of modern computer-based society. The OSS (Open Source Software) phenomenon is a novel, widely growing approach to develop both applications and...
Yongqin Gao, Greg Madey, Vince Freeh
The Open Source Software (OSS) development movement is a classic example of a social network; it is also a prototype of a complex evolving network. By continuously collecting developers and projects...
Anomaly Detection in Streaming Sensor Data (2008)
Pawling, Alec, Yan, Ping, Candia, Julián, Schoenharl, Tim, Madey, Greg
In this chapter we consider a cell phone network as a set of automatically deployed sensors that records movement and interaction patterns of the population. We discuss methods for detecting...
Using Agent-Based Modeling in the Exploration of Self-Organizing Neural Networks Abstract (2008)
Timothy Schoenharl, Greg Madey
In this paper we leverage the power of agent-based modeling to explore a novel self-organizing neural network topology. We have drawn inspiration from recent research into complex networks and...
Greg Madey, Vincent Freeh, Renee Tynan
The open source software (OSS) development phenomenon appears to be a self-organizing process with emergent properties. Such processes are difficult to understand because emergent properties are by...
Yongqin Gao, Greg Madey, Vince Freeh
Open Source Software [8] (OSS) development is a classic example and prototype of collaborative social networks [4, 6, 19]. Based on the empirical data we collected from SourceForge over the last two...
Yongqin Gao, Greg Madey, Vince Freeh
The open Source Software [6] (OSS) development movement is a classic example of a collaborative social network [4, 5, 6]; it is also a prototype of a complex evolving network [2, 19, 20]. By...
Greg Madey, Renee Tynan, Vincent Freeh
The open source software (OSS) development phenomenon appears to be a self-organizing process with emergent properties. Such processes are difficult to understand because emergent properties are by...
Yongqin Gao, Yingping Huang, Greg Madey, Yongqin Gao, Y. Gao, Y. Huang, ...
Understanding the Open Source Software (OSS) movement came into focus for many researchers due to the recent fast expansion of OSS communities. SourceForge, which is the data source of this research,...
Activity Mining in Open Source Software (2008)
Daniel Mack, Nitesh V. Chawla, Greg Madey, Prof Nitesh Chawla
Open Source software repository is a collection of various projects with varying levels of activities, participations, and downloads. In this paper, we attempt to categorize and mine activity, thus...
Multiple organism algorithm for finding ultraconserved elements (2008)
Christley, Scott, Lobo, Neil F, Madey, Greg
Abstract Background Ultraconserved elements are nucleotide or protein sequences with 100% identity (no mismatches, insertions, or deletions) in the same organism or between two or more organisms....
Bmc Bioinformatics, Bmc Bioinformatics, Scott Christley, Neil F Lobo, Greg Madey, Scott Christley, ...
This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon.
WIPER: Leveraging the cell phone network for emergency response (2007)
Timothy Schoenharl, Student Member, Ryan Bravo, Greg Madey
Abstract — This paper describes the Wireless Phone-based Emergency Response (WIPER) system. WIPER is designed to provide emergency planners and responders with an integrated system that will help...
WIPER: Leveraging the cell phone network for emergency response (2007)
Timothy Schoenharl, Greg Madey
This paper describes the Wireless Phone-based Emergency Response (WIPER) system. WIPER is designed to provide emergency planners and responders with an integrated system that will help to detect...
VectorBase: a home for invertebrate vectors of human pathogens (2007)
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase (http://www.vectorbase.org/) is a web-accessible data repository for information about invertebrate vectors of human pathogens. VectorBase annotates and maintains vector genomes providing...
Anomaly Detection in a Mobile Communication Network (2006)
Alec Pawling, Nitesh V. Chawla, Greg Madey, Alec Pawling, Alec Pawling, Nitesh V. Chawla, ...
Cell phone networks produce a massive volume of service usage data which, when combined with location data, can be used to pinpoint emergency situations that cause changes in network usage. Such a...
Anomaly Detection in a Mobile Communication Network (2006)
Alec Pawling, Nitesh V. Chawla, Greg Madey
Mobile communication networks produce massive amounts of data which may be useful in identifying the location of an emergency situation and the area it affects. We propose a one pass clustering...
VectorBase: a home for invertebrate vectors of human pathogens (2006)
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase (http://www.vectorbase.org/) is a web-accessible data repository for information about invertebrate vectors of human pathogens. VectorBase annotates and maintains vector genomes providing...
VectorBase: a home for invertebrate vectors of human pathogens (2006)
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase (http://www.vectorbase.org/) is a web-accessible data repository for information about invertebrate vectors of human pathogens. VectorBase annotates and maintains vector genomes providing...
Using the bipartite line graph to visualise 2-mode social networks (2005)
Alexander, Malcolm Laurence, Greg Madey, Greg Madey
This paper surveys the range of techniques available for the analysis of 2-mode (actor-by-event) datasets and proposes an additional option for visualization and analysis that uses the line-graph of...
Scott Christley and Greg Madey (2005)
Scott Christley, Greg Madey, Scott Christley, Scott Christley, Greg Madey
Positional analysis of a social network seeks to group actors into disjoint subsets according to their social position in the network. Such analysis requires a measure to determine whether two actors...
Project Development Analysis of the OSS Community Using ST Mining (2005)
Yongqin Gao, Greg Madey, Yongqin Gao, Yongqin Gao, Greg Madey
The OSS (Open Source Software) phenomenon is a novel, widely growing approach to develop both applications and infrastructure software recently. The fast growth of the community increases the...
of natural organic matter. Part I. Data structures and (2004)
Stephen E. Cabaniss, Greg Madey, Laura Leff, Patricia A. Maurice, Robert Wetzel
A stochastic model for the synthesis and degradation
Cultural Dissemination using a Quantum Model (2004)
Scott Christley, Scott Christley, Scott Christley, Greg Madey, Greg Madey
Axelrod's [Axelrod, 1997] cultural dissemination model introduces an agent-based simulation where random agent interactions transmit culture through an agent population, and the system evolves...
An Ontology For Agent-Based Modeling And Simulation (2004)
Scott Christley Xiaorong, Xiaorong Xiang, Greg Madey
Ontologies are a formal methodology for establishing a common vocabulary, for defining the concepts and relationships between those concepts of a particular domain, and for reasoning about the...
Public Goods Theory Of The Open Source Development (2004)
Scott Christley, Jin Xu, Yongqin Gao, Greg Madey
Creation of open source software (OSS) can be considered a collective action by individuals with the mutual self-interest of creating and maintaining a public good.
Understanding oss as a self-organizing process (2002)
We hypothesize that open source software development can be modeled as self-organizing, collaboration, social networks. We analyze structural data on over 39,000 open source projects hosted at...
Network Analysis of the SourceForge.net Community (1970)
Software is central to the functioning of modern computer-based society. The OSS (Open Source Software) phenomenon is a novel, widely growing approach to develop both applications and infrastructure...
Data and analyses sharing to support research on free/libre open source software A Debate (1970)
Evangelia Berdou, Kevin Crowston, Greg Madey, Megan Conklin, Stefan Koch, Walt Scacchi
Research on FLOSS has relied on several different kinds of scientific evidence, such as the archives created by the FLOSS developers, versioned code repositories, mailing list messages and bug and...
VectorBase: a home for invertebrate vectors of human pathogens
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase () is a web-accessible data repository for information about invertebrate vectors of human pathogens. VectorBase annotates and maintains vector genomes providing an integrated resource for...
VectorBase: a data resource for invertebrate vector genomics
Lawson, Daniel, Arensburger, Peter, Atkinson, Peter, Besansky, Nora J., Bruggner, Robert V., Butler, Ryan, ...
VectorBase (http://www.vectorbase.org) is an NIAID-funded Bioinformatic Resource Center focused on invertebrate vectors of human pathogens. VectorBase annotates and curates vector genomes providing a...