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145
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CHI
2006
ACM
16 years 7 months ago
2006
ACM
This paper presents research on a collaborative learning environment in an urban elementary science classroom. The application, called RoomBugs, simulates a dynamic ecosystem of i...
162
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STACS
2010
Springer
16 years 1 months ago
2010
Springer
Given two 3-connected graphs G and H, a construction sequence constructs
G from H (e. g. from the K4) with three basic operations, called
the Barnette-Grünbaum operations. These...
157
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BRAIN
2009
Springer
16 years 1 months ago
2009
Springer
The essence of computer applications is to store things in the real world into computer systems in the form of data, i.e., it is a process of producing data. Some data are the reco...
205
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FOCS
2008
IEEE
16 years 1 months ago
2008
IEEE
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
200
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ACSC
2006
IEEE
16 years 28 days ago
2006
IEEE
Trust networks consist of transitive trust relationships between people, organisations and software agents connected through a medium for communication and interaction. By formali...