Proceedings of the 1996 ACM conference on Computer supported cooperative work
Conference Details
Year: 1996
Period: November 16 - 20
Location: Boston, Massachusetts, United States
Publisher:
ACM Press
ISBN: 0897917650
Description
The ACM CSCW conference is a leading forum for presenting and discussing research and development achievements concerning the use of computer technologies to support collaborative activities, as well as the impact of digital collaboration technologies on users, groups, organizations and society.
Other Years in Series
Other proceedings in the CSCW - Conference On Computer-Supported Cooperative Work series
Articles
Publications included in this conference proceedings
Hill,
Will,
Terveen,
Loren
(1996):
Using Frequency-of-Mention in Public Conversations for Social Filtering.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 106-112.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p106-hill/p106-hill.pdf
Edwards,
W. Keith
(1996):
Policies and Roles in Collaborative Applications.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 11-20.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p11-edwards/p11-edwards.pdf
Marx,
Matthew,
Schmandt,
Chris
(1996):
CLUES: Dynamic Personalized Message Filtering.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 113-121.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p113-marx/p113-marx.pdf
Patterson,
John F.,
Day,
Mark,
Kucan,
Jakov
(1996):
Notification Servers for Synchronous Groupware.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 122-129.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p122-patterson/p122-patterson.pdf
Palfreyman,
Kevin,
Rodden,
Tom
(1996):
A Protocol for User Awareness on the World Wide Web.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 130-139.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p130-palfreyman/p130-palfreyman.pdf
Hall,
Robert W.,
Mathur,
Amit,
Jahanian,
Farnam,
Prakash,
Atul,
Rasmussen,
Craig
(1996):
Corona: A Communication Service for Scalable, Reliable Group Collaboration Systems.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 140-149.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p140-hall/p140-hall.pdf
Moran,
Thomas P.,
Chiu,
Patrick,
Harrison,
Steve,
Kurtenbach,
Gordon,
Minneman,
Scott,
Melle,
William van
(1996):
Evolutionary Engagement in an Ongoing Collaborative Work Process: A Case Study.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 150-159.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p150-moran/p150-moran.pdf
O'Day,
Vicky L.,
Bobrow,
Daniel G.,
Shirley,
Mark
(1996):
The Social-Technical Design Circle.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 160-169.
Mark,
Gloria,
Haake,
Jorg M.,
Streitz,
Norbert A.
(1996):
Hypermedia Structures and the Division of Labor in Meeting Room Collaboration.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 170-179.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p170-mark/p170-mark.pdf
Glance,
Natalie S.,
Pagani,
Daniele S.,
Pareschi,
Remo
(1996):
Generalized Process Structure Grammars (GPSG) for Flexible Representations of Work.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 180-189.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p180-glance/p180-glance.pdf
Dourish,
Paul,
Holmes,
Jim,
MacLean,
Allan,
Marqvardsen,
Pernille,
Zbyslaw,
Alex
(1996):
Freeflow: Mediating Between Representation and Action in Workflow Systems.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 190-198.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p190-dourish/p190-dourish.pdf
Prinz,
Wolfgang,
Kolvenbach,
Sabine
(1996):
Support for Workflows in a Ministerial Environment.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 199-208.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p199-prinz/p199-prinz.pdf
Bellotti,
Victoria,
Bly,
Sara A.
(1996):
Walking Away from the Desktop Computer: Distributed Collaboration and Mobility in a Produc.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 209-218.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p209-bellotti/p209-bellotti.pdf
Cortes,
Mauricio,
Mishra,
Prateek
(1996):
DCWPL: A Programming Language for Describing Collaborative Work.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 21-29.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p21-cortes/p21-cortes.pdf
Pycock,
James,
Bowers,
John
(1996):
Getting Others to Get It Right: An Ethnography of Design Work in the Fashion Industry.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 219-228.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p219-pycock/p219-pycock.pdf
Greenbaum,
Joan
(1996):
Back to Labor: Returning to Labor Process Discussions in the Study of Work.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 229-237.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p229-greenbaum/p229-greenbaum.pdf
Hindus,
Debby,
Ackerman,
Mark S.,
Mainwaring,
Scott D.,
Starr,
Brian
(1996):
Thunderwire: A Field Study of an Audio-Only Media Space.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 238-247.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p238-hindus/p238-hindus.pdf
Hudson,
Scott E.,
Smith,
Ian
(1996):
Techniques for Addressing Fundamental Privacy and Disruption Tradeoffs in Awareness Suppor.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 248-257.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p248-hudson/p248-hudson.pdf
Gutwin,
Carl,
Roseman,
Mark,
Greenberg,
Saul
(1996):
A Usability Study of Awareness Widgets in a Shared Workspace Groupware System.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 258-267.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p258-gutwin/p258-gutwin.pdf
Dourish,
Paul
(1996):
Consistency Guarantees: Exploiting Application Semantics for Consistency Management in a C.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 268-277.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p268-dourish/p268-dourish.pdf
Munson,
Jonathan,
Dewan,
Prasun
(1996):
A Concurrency Control Framework for Collaborative Systems.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 278-287.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p278-munson/p278-munson.pdf
Ressel,
Matthias,
Nitsche-Ruhland,
Doris,
Gunzenhauser,
Rul
(1996):
An Integrating, Transformation-Oriented Approach to Concurrency Control and Undo in Group .
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 288-297.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p288-ressel/p288-ressel.pdf
Tollmar,
Konrad,
Sandor,
Ovidiu,
Schomer,
Anna
(1996):
Supporting Social Awareness @ Work, Design, and Experience.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 298-307.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p298-tollmar/p298-tollmar.pdf
Schuckmann,
Christian,
Kirchner,
Lutz,
Schummer,
Jan,
Haake,
Jorg M.
(1996):
Designing Object-Oriented Synchronous Groupware with COAST.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 30-38.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p30-schuckmann/p30-schuckmann.pdf
Nakanishi,
Hideyuki,
Yoshida,
Chikara,
Nishimura,
Toshikazu,
Ishida,
Toru
(1996):
FreeWalk: Supporting Casual Meetings in a Network.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 308-314.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p308-nakanishi/p308-nakanishi.pdf
Isaacs,
Ellen,
Tang,
John C.,
Morris,
Trevor
(1996):
Piazza: A Desktop Environment Supporting Impromptu and Planned Interactions.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 315-324.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p315-isaacs/p315-isaacs.pdf
Roseman,
Mark,
Greenberg,
Saul
(1996):
TeamRooms: Network Places for Collaboration.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 325-333.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p325-roseman/p325-roseman.pdf
Fitzpatrick,
Geraldine,
Kaplan,
Simon M.,
Mansfield,
Tim
(1996):
Physical Spaces, Virtual Places and Social Worlds: A Study of Work in the Virtual.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 334-343.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p334-fitzpatrick/p334-fitzpatrick.pdf
Lee,
Jang Ho,
Prakash,
Atul,
Jaeger,
Trent,
Wu,
Gwobaw
(1996):
Supporting Multi-User, Multi-Applet Workspaces in CBE.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 344-353.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p344-lee/p344-lee.pdf
Heath,
Christian,
Luff,
Paul
(1996):
Documents and Professional Practice: 'Bad' Organizational Reasons for 'Good' Clinical Reco.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 354-363.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p354-heath/p354-heath.pdf
Katzenberg,
Barbara,
Pickard,
Fred,
McDermott,
John
(1996):
Computer Support for Clinical Practice: Embedding and Evolving Protocols of Care.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 364-369.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p364-katzenberg/p364-katzenberg.pdf
Auramaki,
Esa,
Robinson,
Mike,
Aaltonen,
Anne,
Kovalainen,
Mikko,
Liinamaa,
Arja,
Tuuna-Vaiska,
Taina
(1996):
Paperwork At 78kph.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 370-379.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p370-auramaki/p370-auramaki.pdf
Bowers,
John,
O'Brien,
Jon,
Pycock,
James
(1996):
Practically Accomplishing Immersion: Cooperation In and For Virtual Environments.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 380-389.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p380-bowers/p380-bowers.pdf
McDaniel,
Susan E.,
Olson,
Gary M.,
Magee,
Joseph C.
(1996):
Identifying and Analyzing Multiple Threads in Computer-Mediated and Face-to-Face Conversat.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 39-47.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p39-mcdaniel/p39-mcdaniel.pdf
Smith,
Gareth
(1996):
Cooperative Virtual Environments: Lessons from 2D Multi User Interfaces.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 390-398.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p390-smith/p390-smith.pdf
Parise,
Salvatore,
Kiesler,
Sara,
Sproull,
Lee,
Waters,
Keith
(1996):
My Partner is a Real Dog: Cooperation with Social Agents.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 399-408.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p399-parise/p399-parise.pdf
Whittaker,
Steve
(1996):
Talking to Strangers: An Evaluation of the Factors Affecting Electronic Collaboration.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 409-418.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p409-whittaker/p409-whittaker.pdf
Olson,
Judith S.,
Teasley,
Stephanie
(1996):
Groupware in the Wild: Lessons Learned from a Year of Virtual Collocation.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 419-427.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p419-olson/p419-olson.pdf
Bikson,
T. K.,
Eveland,
J. D.
(1996):
Groupware Implementation: Reinvention in the Sociotechnical Frame.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 428-437.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p428-bikson/p428-bikson.pdf
Watts,
Jennifer C.,
Woods,
David D.,
Corban,
Jim M.,
Patterson,
Emily S.,
Kerr,
Ronald L.,
Hicks,
LaDessa C.
(1996):
Voice Loops as Cooperative Aids in Space Shuttle Mission Control.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 48-56.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p48-watts/p48-watts.pdf
Kraut,
Robert E.,
Miller,
Mark D.,
Siegel,
Jane
(1996):
Collaboration in Performance of Physical Tasks: Effects on Outcomes and Communication.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 57-66.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p57-kraut/p57-kraut.pdf
Harrison,
Steve,
Dourish,
Paul
(1996):
Re-Place-ing Space: The Roles of Place and Space in Collaborative Systems.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 67-76.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p67-harrison/p67-harrison.pdf
Benford,
Steve,
Brown,
Chris,
Reynard,
Gail,
Greenhalgh,
Chris
(1996):
Shared Spaces: Transportation, Artificiality, and Spatiality.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 77-86.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p77-benford/p77-benford.pdf
Rodden,
Tom
(1996):
Populating the Application: A Model of Awareness for Cooperative Applications.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 87-96.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p87-rodden/p87-rodden.pdf
Ackerman,
Mark S.,
McDonald,
David W.
(1996):
Answer Garden 2: Merging Organizational Memory with Collaborative Help.
In:
Olson,
Gary M.,
Olson,
Judith S.,
Ackerman,
Mark S.
(eds.)
Proceedings of the 1996 ACM conference on Computer supported cooperative work
November 16 - 20,
1996,
Boston, Massachusetts, United States.
pp. 97-105.
https://www.acm.org/pubs/articles/proceedings/cscw/240080/p97-ackerman/p97-ackerman.pdf