Scientific Report No. IRS-13 Information Storage and Retrieval

IRS13 Scientific Report No. IRS-13 Information Storage and Retrieval Document Length chapter E. M. Keen Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. V-5 *AVERAGE (MEAN) CONCEPTS PER SUBJECT FIELD COLLECTION DOCUMENT USING INPUT TEXT TYPE OF COLLECTION NAME SUFFIX `5' DICTIONARY Abstract Computer Science IRE-3 [OCRerr]O Title Computer Science IRE-3 5 Abstract Aerodynamics CRAN-l 65 Indexing ?1 CRAN-l 33 Title II CRAN-l 9 Full Text Documentation ADI 369 Abstract tt ADI 25 Title `V ADI 6 * Averages are based on 10% random saz[OCRerr]ip1ee Average lengths of documents using titles, abstracts, indexing and full text as used in the SMART experiments on three document collectionse Figure 1.