NodeXL: Network overview, discovery and exploration add-in for Excel 2007

I am pleased to announce the return of our network overview, discovery and exploration add-in for Excel 2007 now called NodeXL.

Please visit http://www.codeplex.com/nodexl for the add-in and the source code for the application.

Key features in NodeXL:

> Import data from existing spreadsheets and other network analysis application file formats
> Import data from email reply networks on systems with Windows Search and local stores of email
> Twitter API: pull twitter networks into NodeXL for exploration
> Merge duplicate edges from imported edge lists
> Calculate degree, clustering, and betweenness measures
> Generate subgraph images for every node
> Create clusters for collections of nodes
> Decorate graphs with control over location, color, size, shape or image, and opacity of each edge or vertex
> Dynamic filters: use sliders to filter the graph by multiple dimensions of your data about each edge or vertex

• Natasa Milic-Frayling (Microsoft Research Cambridge)
• Eduarda Mendes Rodrigues (Microsoft Research Cambridge)
• Tony Capone (Microsoft Research Redmond)
• Dan Fay (Microsoft Research Redmond)
• Ben Shneiderman (University of Maryland)
• Adam Perer (University of Maryland)
• Cody Dunne (University of Maryland)
• Marc Smith (Telligent Systems)
• Vladimir Barash (Cornell)
• Eric Gleave (University of Washington)