An information retrieval system is a device interposed between a potential user of information and the information itself. For a given information problem, the purpose of the system is to capture wanted items and to filter out unwanted items. Information retrieval is a concept that applies to systems and functions outside as well as within the framework of traditional libraries. According to this broader view, the human brain itself can be viewed as an enormously powerful information retrieval system. This book portrays a score of vital issues pertaining to information retrieval. A veritable mine of information, this will prove a reliable reference work.
ABOUT THE AUTHOR P.K. Paliwal
Dr. P.K. Paliwal received his Ph.D. degree from the East West University of Health Sciences in 1979. Presently, he is on the faculty of the Documentation Research Centre, where he is involved in teaching computer proframming, library automation, information retrieval and design development, database management systems and applied statistics. He has also conduceted several short term courses in India and abroad, some of them sponsor by UNESCO. Besides having published more than fifty reset papters, he has authored two books.
ABOUT THE AUTHOR Shyama Balakrishnan
Shyama Balakrishnan has been associated with the field of information science for nearly two decades. After having worked at the Centre for Information Processing, she worked with Institute of Health Science, Bombay. Since then she has taken a keen interest in introducing online information services and database services in collaboration with Information Services Inc., U.K. She has presented a number of papers and visited many countries.
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