A new implementation technique for fast Spectral based document retrieval systems

Authors:
Laurence A. F. Park;Marimuthu Palaniswami;Kotagiri Ramamohanarao
Affiliations:
-;-;-
Venue:
ICDM '02 Proceedings of the 2002 IEEE International Conference on Data Mining
Year:
2002

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Abstract

The traditional methods of spectral text retrieval(FDS,CDS) create an index of spatial data and convert thedata to its spectral form at query time. We present a newmethod of implementing and querying an index containingspectral data which will conserve the high precision performanceof the spectral methods, reduce the time needed toresolve the query, and maintain an acceptable size for theindex. This is done by taking advantage of the propertiesof the discrete cosine transform and by applying ideas fromvector space document ranking methods.