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146
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CHI
2006
ACM
16 years 5 months ago
2006
ACM
icians or philosophers use abstract symbols to derive formulas or form proofs. Indeed, these sketches are structural geometric proofs, consistent with Plato's supposition that...
181
Voted
CHI
2005
ACM
16 years 5 months ago
2005
ACM
In this paper we introduce the idea of organizing systems. Through a number of examples from an ongoing ethnographic study of family life, we suggest that organizing systems come ...
154
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CHI
2005
ACM
16 years 5 months ago
2005
ACM
From pre-schools to high schools, at home and in museums, the educational community has embraced the use of computers as a teaching tool. Yet many institutions will simply install...
131
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CHI
2004
ACM
16 years 4 months ago
2004
ACM
We investigate the prevalence and learning impact of different types of off-task behavior in classrooms where students are using intelligent tutoring software. We find that within...
124
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CHI
2002
ACM
16 years 4 months ago
2002
ACM
This two-day workshop examines the ways that on-line communities create and refine their shared resources, including both the formal and observable artifacts (documents, chats, th...