Collaboratory Life: Support for Science over the Internet Thomas A. Finholt & Joseph B. Hardin...
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![Page 1: Collaboratory Life: Support for Science over the Internet Thomas A. Finholt & Joseph B. Hardin School of Information.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f395503460f94c55df0/html5/thumbnails/1.jpg)
Collaboratory Life: Support for Science over the Internet
Thomas A. Finholt & Joseph B. HardinSchool of Information
![Page 2: Collaboratory Life: Support for Science over the Internet Thomas A. Finholt & Joseph B. Hardin School of Information.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f395503460f94c55df0/html5/thumbnails/2.jpg)
As we may work?
electronic resources (e.g., the Web) represent a tremendous opportunity
gains for knowledge workers are possible...but not automatic
the challenge: How to maximize the likelihood of beneficial change?
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A familiar pattern
More
Time
Performance
Less
hype
raw performance of technology
“real performance”
“reality gap”
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Interdisciplinary synergy
Behavioral & Organizational Science
Computer & Communication Science
The User’s Domain
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SPARC: Facilitating a revolution in space science
A discipline at a crossroads
Emerging predictive phase requires collaboration (e.g., space weather forecasting)
Globally distributed instruments and scientists
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SPARC Environment
globalarrays
archivesdigitallibraries
K-12schoolsundergrad.graduate
theory-experimentclosure
SPARC
Education IntegratedModels
Electronic Workshops
Real-timeCampaigns
SpaceWeatherTestbed
ScienceEnvironment
developmentvalidation
test
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Past: remote observatories
Kangerlussauq, Greenland
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Impact: access to complementary expertise
Past: access limited by time and distance– single scientists doing experiments– watch but don’t touch
Today: SPARC increases access– diverse expertise is available during SPARC
experiments– students are in a computer-mediated
community of learners
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Impact: New experimental paradigms
Past: focus on views from instruments– local data; one person = one instrument
Today: SPARC allows simultaneous views from instruments and models– shift in focus to a global perspective– emphasis on phenomena, not instruments
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Generic frameworks for collaboration
Custom-coded solutions– WIRED Java application running within NCSA’s
Habanero environment– Distview (SPARC), Tango - sharing applets– tradeoffs of coding time, download costs, software
revision control, etc…; platform independence; network load (needs testing); feature comparisons (e.g., record and playback); possible integration with emerging systems (e.g., Salamander, GLOBUS)
Off-the-shelf solution– Microsoft NetMeeting
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Benefits to Research Community
Allows real time interaction
Extends communication with text and images
Expands access to limited resources
Distributes expertise over distance
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NCSA Habanero
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DOE-2000 at PNNL - Habanero
Real-Time Collaboration Scientist's Notebook Instrument Control &
Experiment Analysis
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VisAD - 3D Java Hablet
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Microsoft NetMeeting
Combination of OS and Internet based application Windows 95/NT, Sun & HP Unix (via DC Share), Mac
(via Timbuktu) Variable bandwidth usage, standards-based
– Modems/LANs/ISDN/T-x
– Compliant with data and video conferencing standards (e.g., T.128 & H.323)
Features
– Audio, Video, File Transfer, Text Chat, Whiteboard
– ARBITRARY application sharing Free
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WIRED Shared via Habanero
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WIRED Shared via NetMeeting
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Challenges of Next Generation Collaboratories in HEP
Seamless integration of same-time and different-time collaboration
Across different platforms
Drive advanced networking capabilities
Dramatically more scalable
Security and access control
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Opportunities Presented by HEP Collaboratories
Matches model of large international collaborations of the future
Promotes team development and integration Provides some capabilities now, during facilities
construction phase Incentivizes cross-platform design, development
solutions Drives increased network capabilities - positive
feedback relationship