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ICS 463, Intro to Human Computer Interaction Design: 12. Computer Supported Collaborative Work Dan Suthers.

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Presentation on theme: "ICS 463, Intro to Human Computer Interaction Design: 12. Computer Supported Collaborative Work Dan Suthers."— Presentation transcript:

1 ICS 463, Intro to Human Computer Interaction Design: 12. Computer Supported Collaborative Work Dan Suthers

2 Forms of CSCW SynchronousAsynchronous Co-located Distributed

3 Colab (late 1980’s onwards) Synchronous-local Liveboard, individual workstations Software –Cognoter –Argnoter –Boardnoter Can work in private or public spaces

4 Colab: Hardware innovations Liveboards –Light-based –Ultrasonic

5 Colab: Cognoter Preparing an outline of a presentation Based on three-phase model: –Brainstorm (also uses Boardnoter) –Organize –Evaluate Others have developed similar schemes Let’s see a video …

6 Colab: Argnoter Presentation and evaluation of proposals Also three-phase model –Propose - placed in the workspace –Argue - annotated by participants –Evaluate - rank evaluation criteria and apply under different belief sets Example of a Group Decision Support System (GDSS)

7 Colab: Portable meetings & ideas Vison: Colab workspaces available everywhere, interconnected

8 Synchronous-Remote CSCW Typically two components: –Shared workspaces –Natural language interaction Video Audio Textual “chat” Commercial tools: NetMeeting, Polycom videoconferencing etc.

9 Activity / presence awareness Is Jan in his office? What is he doing? Is he willing to talk?

10 Eye Contact Video TunnelHydra

11 Access Grid (HITS on steroids?)

12

13 I think … The technology is great, but the real issues are in designing the workspaces (representations, collaborative work tools) and activity structures

14 Asynchronous Examples Discussion tools, e.g. Email, Threaded discussions Document repositories –BSCW http://bscw.gmd.de/ Document annotation systems –Kukakuka, Pink –JIME http://www-jime.open.ac.uk/ Multimedia/Mixed –Knowledge Forum http://kf.oise.utoronto.ca/kfdemo/kfdemo.html –Teamwave

15 Synchronous Issues Awareness –Who is on right now? –Is Jan answering my question, or did he leave for lunch? Coherence –Who is answering whom? Value of video –When are talking heads valuable? –Demonstrations, negotiation, familiarity

16 Asynchronous Issues Context and coherence –Artifact-centered discourse What is this message about? Where are the messages about this artifact? –Picking up where we left off What was the last idea proposed? What is she responding to?

17 Asynchronous Issues Cont. Single versus multiple workspaces –Multiple threads in a single workspace –Movement of ideas between multiple workspaces and groups Group Awareness –Are there any new messages? –Has anyone been reading my proposal?

18 General Issues Identity and trust Cross cultural communications Serendipity of informal interactions –Always-on shared spaces? –Virtual coffee pot?

19 More Design Issues and Ideas Viability compared to alternatives Build based on existing work practice May invent new collaborative practices Local conventions develop: acclimate newcomers Time zones a problem Synchronous meetings with large groups require facilitation Delays can impede rhythm of communication


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