782 search results - page 89 / 157 » Online communities as communities of practice: a case study |
150
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CHI
2010
ACM
16 years 1 months ago
2010
ACM
Microblogging is a recently popular phenomenon and with the increasing trend for video cameras to be built into mobile phones, a new type of microblogging has entered the arena of...
161
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TMRA
2007
Springer
16 years 9 days ago
2007
Springer
Fuzzzy.com, a social bookmarking website has been developed to study collaborative creation of semantics. In a shared online space, users of Fuzzzy continuously create metadata bot...
149
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ACMDIS
2000
ACM
15 years 10 months ago
2000
ACM
This paper presents the design of an interaction environment for fostering social interactions in electronic marketplaces. The environment incorporates a novel, spatially-organize...
134
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GIS
2010
ACM
15 years 4 months ago
2010
ACM
The growing popularity of online Earth visualization tools and geo-realistic games and the availability of high resolution terrain data have motivated a new class of queries to th...
174
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TMM
2010
15 years 27 days ago
2010
Based on the local keypoints extracted as salient image patches, an image can be described as a "bag-of-visualwords (BoW)" and this representation has appeared promising ...