8060 search results - page 1201 / 1612 » Adaptive BICM-OFDM Systems |
181
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PERCOM
2009
ACM
16 years 8 months ago
2009
ACM
This paper examines the recovery of user context in indoor environments with existing wireless infrastructures to enable assistive systems. We present a novel approach to the extra...
191
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MOBIHOC
2009
ACM
16 years 8 months ago
2009
ACM
Finding data items is one of the most basic services of any distributed system. It is particular challenging in ad-hoc networks, due to their inherent decentralized nature and lac...
203
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KDD
2007
ACM
16 years 8 months ago
2007
ACM
In many practical applications, one is interested in generating a ranked list of items using information mined from continuous streams of data. For example, in the context of comp...
227
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KDD
2002
ACM
16 years 8 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...
211
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CHI
2008
ACM
16 years 8 months ago
2008
ACM
Temporal trajectories can represent the complex mappings between story time and clock time that are to be found in shared interactive narratives such as computer games and interac...