[1]	Kotagiri Ramamohanarao and Laurence A. F. Park. Broadening vector space schemes for improving the quality of information retrieval. In The Proceedings of the Seventh Asia Pacific Web Conference, pages 15--26, March 2005. [ bib | DOI | Abstract ]
[2]	Laurence A. F. Park, Kotagiri Ramamohanarao, and Marimuthu Palaniswami. A novel document retrieval method using the discrete wavelet transform. ACM Transactions on Information Systems, 23(3):267--298, 2005. [ bib | DOI | Abstract ]
[3]	Laurence A. F. Park, Marimuthu Palaniswami, and Kotagiri Ramamohanarao. A novel document ranking method using the discrete cosine transform. IEEE Transactions on Pattern Analysis and Machine Intelligence, 27(1):130--135, January 2005. [ bib | DOI | Abstract ]