CTRnet: A Crisis, Tragedy, & Recovery Network (ctrnet)
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Transcript of CTRnet: A Crisis, Tragedy, & Recovery Network (ctrnet)
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CTRnet: A Crisis, Tragedy, & Recovery Network (www.ctrnet.net)
Oct .16, 2009VCOM Research DayBlacksburg, VA 24061 USA
Edward Fox ([email protected]), Bidisha Dewanjee, Andrea Kavanaugh, Uma Murthy, Naren Ramakrishnan, Steven Sheetz, Donald Shoemaker, and Venkataraghavan Srinivasan
Departments:Accounting Information SystemsComputer ScienceSociology
Grant:IIS-0916733
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• Human tragedies that result from man-made and natural events affect communities significantly.
• During and after a tragic event, there are a series of needs that have to be addressed.– Usually centered around communication and a
confusing plethora of data and information
Crisis, Tragedy, and Recovery
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Staging: school shootings, school events, then to full set of natural / man-made
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Data CollectionData Collection
Expand coverage at Internet Archive Can crawl about 17million URLs a year
Can get data back from them twice yearly
Now crawling re Typhoons in Asia-Pacific (e.g., Ketsana) Archive-It tool (http://archive-it.org)
Can select seeds (starting URLs)
Various parameters to adjust coverage
Seek volunteers to spot events, give seeds
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• Build a networked digital library relating to CTR
• Support information exploration
• Aided by an ontology
• Integrate community, content, and services relating to CTR, making it accessible, and preserving it for long-term reuse
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An ontology for CTR
Social networkapplications
CTR literature
Focus groups
Websites, Internet Archive
Browsing
SearchingQuery expansion
Visualizing
Tagging
Summarizing
CTR OntologyCTR Ontology• Individual• Organizational• Community• Political• …
Multicultural/ linguistic input
Recommending
sources
uses
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Categories from focus group study
Results from focus group interviews following the April 16, 2007 tragedy at Virginia Tech
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CTR stakeholders
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Infrastructure ServicesInformation Satisfaction ServicesRepository-Building Add Value
Acquiring Classifying Browsing
Cataloging and Annotating
Clustering Collaborating
CrawlingEntity Extraction, and Integration through URM
Customizing
Digitizing Evaluating Filtering
Federating Auto Tagging Providing access
Harvesting Publicizing Recommending
Submitting Rating Searching
Indexing Ontology building Visualizing
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• Help affected communities to recover more quickly and effectively– Global network– Easy accessibility– Relevant information and resources– INCLUDING FROM VCOM (e.g., aid worker diaries)
• Support classes of stakeholders in reacting to and recovering from crises– Researchers– Scholars– Emergency personnel– Decision makers– Public
Potential impact
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1. Find more partners (including internationally – Finland, Mexico, Russia, …)
2. Text mining & stories re: VT, NIU– Supporting sociology research
3. Collect key information especially related to school shootings worldwide
4. Plan CTR computer: key tools & content
5. Initial release – of interest to general public
Priorities
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