Bonn-Aachen International Center for Information Technology


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Tentative Schedule

Marc Smith will give some presentations and hands-on sessions on the following tentative schedule. In order to attend please let us know by Wednesday December 2, 2009, if you want to attend the event or to schedule a meeting respectively. Miss Zinayda Petrushyna will collect all proposals.

Monday, December 7, 2009

(in cooperation with the Web Science II course at RWTH Aachen University):

12:15 – 13:45 Social Media Network Analysis: overview of work to visualize social media using treemaps, histograms, scatterplots and social network diagrams

Using social media makes evidence of social relationships into machine readable data streams. The resulting data sets contain time series, hierarchy, and network data structures that can be visualized to illustrate the range of variation in social media data spaces and participants. Histograms , line charts, treemaps , and network diagrams can be used in concert to illuminate the many facets of behavior and population present in social media spaces. Resulting images illustrate the range of variation of individual and collective formations in social media spaces.

16:00 – 17:30 NodeXL - A hands-on guide: a workshop style review of sample data sets that are processed through NodeXL operations to generate metrics and a visualization that tells a story.

As social media networks proliferate there is a growing need for tools to manage, analyze, and visualize network graphs. NodeXL is an add-in for Office 2007 that provides social network diagram and analysis tools in the context of a spreadsheet application. Adding the directed graph chart type to Excel opens up many possibilities for easily manipulating networks and controlling their display properties. In this workshop the steps needed to install and productively operate NodeXL for Office 2007 are reviewed. The free and open NodeXL add-in provides directed graph charting features within Excel, allowing users to create node-link diagrams with control over each node and edge color, size, transparency and shape without requiring the use of a command line interface or programming language. Since NodeXL builds within Excel, all of the controls and programmatic features of Office are available. Additional features of NodeXL generate social networks from social media data sources like personal e-mail (drawing data from the Windows Desktop Search engine) and the Twitter social network micro-blogging system. Arbitrary edge lists (anything that can be pasted into Excel) can be visualized and analyzed in NodeXL . This session will provide a walk through the basic operation of NodeXL .

Tuesday, December 8, 2009

10:00 – 11:00 Mobile social software and sociological sensors: the future of social places: a speculation about the future of mobile social software, mobile devices, sensors for biology and location, and social media.

New sources of data from everyday life are being captured and recorded with mobile devices, creating a new stream of archival material that is richer than all but the most obsessively observed biographies. Many organizations are adopting social media and creating data sets that map their internal social network structure as an accidental by-product. Studying these data is sets is a focus of growing interest. Research projects like SenseCam are now becoming products and services like nTag, Spotme, Fire Eagle, and Google Lattitude using devices like iPhone and G1 are weaving location into every application. When my phone notices your phone a new set of mobile social software applications become possible that capture data about other people as they beacon their identifies to one another. Additional sensors will collect medical data to improve our health and safety, as early adopters in the “Quantified Self” movement make clear. Social media systems are being linked to one another to enable cascades of events from a single message as status updates are passed among Facebook, LinkedIn, Twitter, and blogs automatically aggregate the results of searches and post articles that themselves may trigger other events. Taking a photo or updating a status message can now set off a series of unpredictable events. The result will be lives that are more publicly displayed than ever before. Add potential improvements in audio and facial recognition and a new world of continuous observation and publication emerges. Some benefits, like those displayed by the Google Flu tracking system, illustrate the potential for insight from aggregated sensor data. Risks include more efficient state and corporate surveillance and self-imposed censorship.

Discussions, Meetings and Demonstrations to be scheduled.

Read more about Web Science II...

Seminar details

Venue: Room 6243 (Informatik 5 chair), 2nd floor, Computer Science Center, Ahornstr. 55, 52074 Aachen (click directions )

Audience: B-IT Research School PhD students with a background or interest in SIE. Others welcome while space permits.

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