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146
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MOBISYS
2011
ACM
14 years 7 months ago
2011
ACM
We introduce a new technique for determining a mobile phone’s indoor location even when Wi-Fi infrastructure is unavailable or sparse. Our technique is based on a new ambient so...
148
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MOBISYS
2011
ACM
14 years 7 months ago
2011
ACM
Operators of 3G data networks need to distinguish the performance of each geographic area in their 3G networks to detect and resolve local network problems. This is because the qu...
187
Voted
PLDI
2011
ACM
14 years 7 months ago
2011
ACM
Energy is increasingly a first-order concern in computer systems. Exploiting energy-accuracy trade-offs is an attractive choice in applications that can tolerate inaccuracies. Re...
182
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PLDI
2011
ACM
14 years 7 months ago
2011
ACM
Software modifications are often systematic—they consist of similar, but not identical, program changes to multiple contexts. Existing tools for systematic program transformati...
205
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SIGIR
2011
ACM
14 years 7 months ago
2011
ACM
As the Internet grows explosively, search engines play a more and more important role for users in effectively accessing online information. Recently, it has been recognized that ...