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128
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JODI
2002
15 years 6 months ago
2002
This paper discusses the problem of horizontal (nonhierarchical) navigation in modern educational courseware. We will look at why horizontal links disappear, how to support horizo...
193
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JUCS
2002
15 years 6 months ago
2002
: Different models and methodologies for the development of hypermedia systems and applications have emerged in the recent years. Software-technical methods and principles enriched...
130
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JUCS
2002
15 years 6 months ago
2002
: With any Petri net we associated its CPN language which consists of all sequences of transitions which reach a marking with an empty place whereas all proper prefixes of the sequ...
154
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
194
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TOG
2002
15 years 6 months ago
2002
Real-time control of three-dimensional avatars is an important problem in the context of computer games and virtual environments. Avatar animation and control is difficult, howeve...