3937 search results - page 495 / 788 » Questioning Ubiquitous Computing |
156
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COMPGEOM
1997
ACM
15 years 10 months ago
1997
ACM
We consider the family of area bisectors of a polygon possibly with holes in the plane. We say that two bisectors of a polygon P are combinatorially distinct if they induce di e...
182
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ICSE
1997
IEEE-ACM
15 years 10 months ago
1997
IEEE-ACM
By determining, statically, where the structure of a program requires sets of variables to share a common tation, we can identify abstract data types, detect ion violations, find ...
160
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CSFW
1994
IEEE
15 years 10 months ago
1994
IEEE
We analyze the safety question for the Non-Monotonic Transform NMT model, an access control model that encompasses a wide variety of practical access control mechanisms. In genera...
166
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STOC
1992
ACM
15 years 10 months ago
1992
ACM
How much can an imperfect source of randomness affect an algorithm? We examine several simple questions of this type concerning the long-term behavior of a random walk on a finite...
192
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AIED
2007
Springer
15 years 10 months ago
2007
Springer
This paper describes new techniques for assessing pedagogical discourse via threaded discussions that are based on an analysis of speech acts and course topics. The context is an u...