111 search results - page 3 / 23 » An Information Retrieval Model Based on Discrete Fourier Tra... |
SPEECH
1998
13 years 5 months ago
1998
This paper illustrates the advantages of using the Discrete Cosine Transform (DCT) as compared to the standard Discrete Fourier Transform (DFT) for the purpose of removing noise e...
CORR
2007
Springer
13 years 6 months ago
2007
Springer
Abstract—This paper presents a systematic methodology to derive and classify fast algorithms for linear transforms. The approach is based on the algebraic signal processing theor...
CIKM
2005
Springer
13 years 11 months ago
2005
Springer
We approached the problem as learning how to order documents by estimated relevance with respect to a user query. Our support vector machines based classifier learns from the rele...
ICDE
1999
IEEE
14 years 7 months ago
1999
IEEE
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...
AUSDM
2008
Springer
13 years 8 months ago
2008
Springer
Term signal is an existing text representation that depicts a term as a vector of frequencies of occurrences in a number of user-defined partitions of a document. Although term si...