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241
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MM
2010
ACM
15 years 7 months ago
2010
ACM
TalkMiner is a search engine for lecture webcasts. Lecture videos are processed to recover a set of distinct slide images and OCR is used to generate a list of indexable terms fro...
217
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MM
2010
ACM
15 years 7 months ago
2010
ACM
Networked virtual environments like Second Life enable distant people to meet for leisure as well as work. But users are represented through avatars controlled by keyboards and mo...
197
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MOBICOM
2010
ACM
15 years 7 months ago
2010
ACM
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...
184
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MOBICOM
2010
ACM
15 years 7 months ago
2010
ACM
Short Messaging Service (SMS) based mobile information services have become increasingly common around the world, especially in emerging regions among users with low-end mobile de...
189
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MOBICOM
2010
ACM
15 years 7 months ago
2010
ACM
WiFi networks have enjoyed an unprecedent penetration rate in recent years. However, due to the limited coverage, existing WiFi infrastructure only provides intermittent connectiv...