4110 search results - page 680 / 822 » Efficient algorithms for the 2-gathering problem |
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
226
Voted
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
156
Voted
EDBT
2004
ACM
16 years 4 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
264
Voted
Publication
We propose a fast and robust CV-SLAM (Ceiling Vision –based Simultaneous Localization and Mapping) technique using a single ceiling vision sensor. The proposed algorithm is suita...
VTC
2007
IEEE
15 years 11 months ago
2007
IEEE
Abstract – One of the major drawbacks of OFDM is high Peakto-Average Power Ratio (PAPR) which can result in poor power efficiency and serious distortion in the transmitter amplif...