… that affect the search time of a proximity query, if we assume the CPU time to be negligible; … In section 4.4 we develop algorithms for efficiently processing similarity queries using an R-…
D Rafiei, A Mendelzon - Proceedings of the 1997 ACM SIGMOD …, 1997 - dl.acm.org
… on a data set, we describe a fast query processing algorithm that uses the index to filter out … We have chosen the first k Fourier coefficient of a time series as our features. The reason for …
HV Sorensen, CS Burrus - ICASSP-88., International Conference on …, 1988 - computer.org
… This is a plot of thequery time bound we obtained and the p-stable LSHthat has query … points from all queries, we learnedthe best parameters for our algorithm, requestingthe same …
Y Mansour, S Sahar - Machine Learning, 2000 - Springer
… query model, in which the Fourier transform algorithm is set. In order to keep the algorithm run-time … coefficients, 2n, calculating this hypothesis would take exponential time, while our …
D Rafiei, AO Mendelzon - IEEE Transactions on Knowledge …, 2000 - ieeexplore.ieee.org
… We present a query processing algorithm that uses the underlying multidimensional index built … Since we use the Fourier series representation of time series data as our features, and a …
… an algorithm due to Kushilevitz and Mansour[16] can be used to weakly learn DNF using membership queries in polynomial time, … DNF expressions in polynomial time in any nontrivial …
L Hales, S Hallgren - Proceedings 41st Annual Symposium on …, 2000 - ieeexplore.ieee.org
… This algorithm compares favorably to [l 11 which requires time quadratic in n to achieve … tially close functions typically require exponentially many queries to the function's values. Thus …
WH Tsai, YM Tu - 2012 IEEE International Conference on …, 2012 - ieeexplore.ieee.org
… the frequency domain instead of time domain. Thanks to the merit of fast Fourier transform, we … distance directly, which avoids performing timeconsuming alignment between sequences. …
… time sequences for processing similarity queries. We use the Discrete Fourier Transform (DFT) to map time … DFT is the existence of a fast algorithm, the Fast Fourier Transform (FFT), that …