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» A Study of the Genus of a Group
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GROUP
1999
ACM
14 years 16 days ago
From description to requirements: an activity theoretic perspective
This paper demonstrates how activity theoretic concepts can be used in conjunction with an ethnographically informed approach to derive requirements on a work situation. We presen...
Phil Turner, Susan Turner, Julie Horton
AAECC
1993
Springer
170views Algorithms» more  AAECC 1993»
14 years 9 days ago
Exponential Sums as Discrete Fourier Transform with Invariant Phase Functions
We give estimates for exponential sums over finite fields in several variables. We study the case where the phase is either quadratic or more generally invariant under the action ...
Gilles Lachaud
HCI
2007
13 years 9 months ago
Towards Building a Math Discourse Community: Investigating Collaborative Information Behavior
We reported a study that analyzes collaborative information behavior of small groups in an online math discourse community. Taking group as the unit of analysis, we analyzed the so...
Nan Zhou, Gerry Stahl
AIM
2006
13 years 9 months ago
Analysis of collaborative tools usages in heterogeneous contexts
: Situations of collaborative working are more and more complex and various in organizations. Such diversification is little studied in the literature. Researches about "techn...
Ali Ouni, Jean-Claude Bocquet, Daniele Bonnivard
BEHAVIOURIT
2007
98views more  BEHAVIOURIT 2007»
13 years 8 months ago
Methods for human - computer interaction research with older people
: Experimental research in human–computer interaction commonly uses participant groups that are unrepresentative of demographic realities, being young, technically knowledgeable ...
Anna Dickinson, John L. Arnott, Suzanne Prior