Graph drawing by force-directed placement
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Discovering shared interests using graph analysis
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Communities of practice: performance and evolution
Computational & Mathematical Organization Theory
Email overload: exploring personal information management of email
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A random graph model for massive graphs
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ONTOCOPI: Methods and Tools for Identifying Communities of Practice
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Towards compatible primitive structures
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Building Connections among Loosely Coupled Groups: Hebb's Rule at Work
Computer Supported Cooperative Work
Modeling and predicting personal information dissemination behavior
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ICEC '05 Proceedings of the 7th international conference on Electronic commerce
Using Egocentric Networks to Understand Communication
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Graph Theoretic and Spectral Analysis of Enron Email Data
Computational & Mathematical Organization Theory
Graph mining: Laws, generators, and algorithms
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Probabilistic models for discovering e-communities
Proceedings of the 15th international conference on World Wide Web
POLYPHONET: an advanced social network extraction system from the web
Proceedings of the 15th international conference on World Wide Web
A framework for analysis of dynamic social networks
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Force-based incremental algorithm for mining community structure in dynamic network
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Private social network analysis: how to assemble pieces of a graph privately
Proceedings of the 5th ACM workshop on Privacy in electronic society
Going with the flow: email awareness and task management
CSCW '06 Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work
Using rhythms of relationships to understand e-mail archives
Journal of the American Society for Information Science and Technology
Mining and Visualizing the Evolution of Subgroups in Social Networks
WI '06 Proceedings of the 2006 IEEE/WIC/ACM International Conference on Web Intelligence
Finding tribes: identifying close-knit individuals from employment patterns
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Expert Recommender: Designing for a Network Organization
Computer Supported Cooperative Work
Community Mining from Signed Social Networks
IEEE Transactions on Knowledge and Data Engineering
A heuristic clustering algorithm for mining communities in signed networks
Journal of Computer Science and Technology
Searching for experts in the enterprise: combining text and social network analysis
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POLYPHONET: An advanced social network extraction system from the Web
Web Semantics: Science, Services and Agents on the World Wide Web
Discovering global network communities based on local centralities
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Measuring social networks with digital photograph collections
Proceedings of the nineteenth ACM conference on Hypertext and hypermedia
Users in Volatile Communities: Studying Active Participation and Community Evolution
UM '07 Proceedings of the 11th international conference on User Modeling
Public vs. private: comparing public social network information with email
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ACM Transactions on Knowledge Discovery from Data (TKDD)
Estimation of friendship and hierarchy from conversation records
Information Sciences: an International Journal
Behavioral profiles for advanced email features
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Mining Research Communities in Bibliographical Data
Advances in Web Mining and Web Usage Analysis
Mining social networks for personalized email prioritization
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Spinning multiple social networks for semantic web
AAAI'06 proceedings of the 21st national conference on Artificial intelligence - Volume 2
Conference Mining via Generalized Topic Modeling
ECML PKDD '09 Proceedings of the European Conference on Machine Learning and Knowledge Discovery in Databases: Part I
Relationship identification for social network discovery
AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 1
An autonomy-oriented computing approach to community mining in distributed and dynamic networks
Autonomous Agents and Multi-Agent Systems
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An efficient probabilistic approach to network community mining
RSKT'07 Proceedings of the 2nd international conference on Rough sets and knowledge technology
Integrating multiple document features in language models for expert finding
Knowledge and Information Systems
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LoCA'07 Proceedings of the 3rd international conference on Location-and context-awareness
Analysis of dynamic social network: e-mail messages exchange network
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International Journal of Networking and Virtual Organisations
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A new vertex similarity metric for community discovery: a distance neighbor model
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ECODE: event-based community detection from social networks
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TRUST'11 Proceedings of the 4th international conference on Trust and trustworthy computing
Summarization and visualization of communication patterns in a large-scale social network
PAKDD'06 Proceedings of the 10th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining
GCC'05 Proceedings of the 4th international conference on Grid and Cooperative Computing
Self-Organizing network evolving model for mining network community structure
ADMA'06 Proceedings of the Second international conference on Advanced Data Mining and Applications
Developing intelligent applications in social e-mail networks
RSCTC'06 Proceedings of the 5th international conference on Rough Sets and Current Trends in Computing
Community focused social network extraction
ASWC'06 Proceedings of the First Asian conference on The Semantic Web
Organizational structure of Mazda's Keiretsu: a graph theoretic analysis
Artificial Life and Robotics
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Community detection in Social Media
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Group topic modeling for academic knowledge discovery
Applied Intelligence
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ASONAM '12 Proceedings of the 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012)
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We describe a method for the automatic identification of communities of practice from email logs within an organization. We use a betweenness centrality algorithm that can rapidly find communities within a graph representing information flows. We apply this algorithm to an email corpus of nearly one million messages collected over a two-month span, and show that the method is effective at identifying true communities, both formal and informal, within these scale-free graphs. This approach also enables the identification of leadership roles within the communities. These studies are complemented by a qualitative evaluation of the results in the field.