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Scott Klemmer · 03 October 2006

CSCW Computer-Supported Cooperative Work. Scott Klemmer · 03 October 2006. Administrivia. Reading Responses Please send inline, not as attachment Remember to include ratings Discussion Leaders are assigned online. Projects. Proposals due 10/10 9am Ron put Wiki online

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Scott Klemmer · 03 October 2006

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  1. CSCWComputer-Supported Cooperative Work Scott Klemmer · 03 October 2006

  2. Administrivia • Reading Responses • Please send inline, not as attachment • Remember to include ratings • Discussion Leaders are assigned online

  3. Projects • Proposals due 10/10 9am • Ron put Wiki online • Hardware & Facilities available • Dell X300 laptops • Nokia 7610 phones • Phidgets • the iRoom • Our research: d.tools, ButterflyNet, … • We have cs147 students as study participants

  4. the study of how people work together using computer technology

  5. Groupware • Groupware denotes the technology that people use to work together • “systems that support groups of people engaged in a common task (or goal) and that provide an interface to a shared environment.” • CSCW studies the use groupware • “CSCW is the study of the tools and techniques of groupware as well as their psychological, social, and organizational effects.”

  6. collocated distributed synchronous asynchronous

  7. collocated distributed synchronous courtesy of marc rettig asynchronous

  8. collocated distributed synchronous The Designers’ Outpost asynchronous

  9. collocated distributed synchronous asynchronous

  10. collocated distributed synchronous asynchronous

  11. collocated distributed synchronous asynchronous

  12. collocated distributed synchronous asynchronous

  13. collocated distributed synchronous asynchronous

  14. collocated distributed synchronous asynchronous Plasma Poster

  15. collocated distributed synchronous board games physical photo sharing networked games asynchronous project walls in/out board scavenger hunts meeting room schedules digital photo sharing MS Word Collaboration voting Groupware calendars

  16. Workflow • Documents carry meta-data that describes their flow through the organization: • Document X should be completed by Jill by 4/15 • Doc X should then be reviewed by Amit by 4/22 • Doc X should then be approved by Ziwei by 4/29 • Doc X should finally be received by Don by 5/4 • The document “knows” its route. With the aid of the system, it will send reminders to its users, and then forward automatically at the time limit.

  17. Knowledge repositories • AnswerGarden (Ackerman): database of commonly-asked questions that grows automatically. • User poses question as a text query: • System responds with matches from the database. • If user isn’t satisfied, system attempts to route query to an expert on the topic. • Expert receives query, answers it, adds answer to the database.

  18. Extending email • There is a lot of research on “email++” • Automatic organization • Task management • Other functions: contacts, reminders • Multimedia email: Can includesound, video, images. • Only occasionally useful • May be important for developing economies.

  19. Extensible Groupware: Lotus Notes • Notes is a product that combines standard office software (email, calendar, contacts etc.) with a scriptable database backend. • Easy to create new apps: PERT charts, novel workflow, custom shared authoring… • “most successful groupware system to date”

  20. Synchronous Groupware • Desktop Conferencing (MS Netmeeting) • Electronic Meeting Rooms (Access Grid) • Media Spaces (Xerox PARC) • Instant Messaging

  21. Video • Eye contact problems: • Offset from camera to screen • “Mona Lisa” effect • Gesture has similar problems: trying pointing at something across a video link.

  22. Sound • Good for one-on-one communication • Bad for meetings. Spatial localization is normally lost. Add to network delays and meeting regulation is very hard.

  23. Turn-taking, back-channeling • In a face-to-face meeting, people do a lot of self-management. • Preparing to speak: lean forward, clear throat, shuffle paper. • Unfortunately, these are subtle gestures which don’t pass well through today’s technology. • Network delays make things much worse.

  24. Social Issues • Can these technologies replace human-human interaction? • can you send a “handshake” or a “hug” • how does intimacy survive? • Are too many social cues lost? • facial expressions and body language for enthusiasm, disinterest, anger • will new cues develop? e.g., :)

  25. Usage issues • Our model of tele-communication is episodic, and derives from the economics of the telephone. • Communication in the real world has both structured and unplanned episodes. Meeting by the Xerox machine. • Also, much face-to-face communication is really side-by-side, with some artifact as the focus.

  26. Solutions • Sharing experiences is very important for mutual understanding in team work (attribution theory). • So context-baseddisplays (portholes)work well. • Video shows roomsand hallways, not just people or seats.

  27. Synchronous Implementation Issues • >=Two users working on same data, at the same time, in cooperation • Extend Model View Controller (MVC) • views & copies of the model are distributed • Propagate command history • must resolve conflicts among N histories • at what level are commands? • mouse position not good enough (e.g., different font sizes, etc.)

  28. Face-to-Face: the ultimate? • Kiesler and Sproull findings: • Participants talk more freely in email (than F2F). • Participation is more equal in email. • More proposals for action via email. • Reduced effects of status/physical appearance. • But • Longer decision times in email. • More extreme remarks and flaming in email.

  29. Collaborative Editing

  30. Interactive Spaces / Single Display Groupware

  31. Awareness Systems • Bellotti & Dourish • Greenberg • IM • Bo Begole

  32. Next Time… Ubiquitous Computing The Computer for the 21st CenturyMark Weiser Making Sense of Sensing Systems: Five Questions for Designers and ResearchersVictoria Bellotti, Maribeth Back, W. Keith Edwards, Rebecca E. Grinter, Austin Henderson, and Cristina Lopes The Context Toolkit: Aiding the Development of Context-Enabled ApplicationsDaniel Salber, Anind K. Dey, Gregory D. Abowd

  33. Some of this material is based on James Landay and John Canny’s course materials

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