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STOC
2007
ACM
14 years 10 months ago
2007
ACM
We show that, assuming the Unique Games Conjecture, it is NPhard to approximate MAX 2-SAT within LLZ + , where 0.9401 < LLZ < 0.9402 is the believed approximation ratio of t...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Data fusion is the final step of a typical data integration process, after schematic conflicts have been overcome and after duplicates have been correctly identified. We present t...
ICIAP
2007
ACM
14 years 10 months ago
2007
ACM
In this paper, we propose a technique for detecting possible events in outdoor areas monitored by a video surveillance system. In particular, here we focus on the time spent by an...
ICIAP
2007
ACM
14 years 10 months ago
2007
ACM
In this paper, we propose novel blur and similarity transform (i.e. rotation, scaling and translation) invariant features for the recognition of objects in images. The features ar...
PERCOM
2007
ACM
14 years 9 months ago
2007
ACM
The imminent mass deployment of pervasive computing technologies such as sensor networks and RFID tags, together with the increasing participation of the Web community in feeding ...