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Title page for ETD etd-02062007-130644


Type of Document Dissertation
Author Gao, Yongqin
Author's Email Address ygao1@nd.edu
URN etd-02062007-130644
Title Computational discovery in evolving complex networks
Degree Doctor of Philosophy
Department Computer Science and Engineering
Advisory Committee
Advisor Name Title
Richard Williams Committee Chair
Aaron Stiegel Committee Member
Charles Wood Committee Member
Gregory R. Madey Committee Member
Patrick J. Flynn Committee Member
Keywords
  • computational discovery
  • simulation
  • data mining
  • network analysis
  • complex networks
Date of Defense 2006-12-15
Availability restricted
Abstract
The field of study in evolving complex networks has more and more researchers working using various methods. We designed and developed a computational discovery methodology to study these evolving complex networks. This methodology is a cyclic procedure involving four different processes: data mining, network analysis, computer simulation and collaboration. The data mining process is responsible for discovering potential associations and patterns. The network analysis process is responsible for assessing the discovery found in the data mining process and analyzing the network measures in the network. The computer simulation process is responsible for generating a validated model to simulate the evolution of the complex

network based on the discoveries and measures used in the previous processes. Finally, the collaboration process is responsible for designing and maintaining a research collaboratory to host our research and support any possible similar research.

To demonstrate the methodology, we applied this methodology in the study of Open Source Software movement, in particular, a study of the SourceForge.net development community. Through applying the methodology, we generated a distribution-based predictor to predict the "popularity" of a project, had more insights about the structure and evolution of the SourceForge.net community network, generated a validated model to simulate the evolution of the community, and finally implemented and maintained a research collaboratory for the Open Source Software related research.

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