IRS13 Appendix A: Recall-Precision Tables appendix Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. A-2 The results are divided for the collections as follows: A. IRE-3, Computer Science. B. CRAN-l, AerodynanLics. C. ADI, Documentation (Requests searched as received). D. ADI, Documentation (Requests selectively hand modified by increasing weight of important words, as specified in Section x) All results based on Phrases, Hierarchy and Stem Concon use a weight of 1.0 when the new identifiers formed by these dictionaries are added to the documents, and these expansions are in all cases applied to both the docu- ments and requests.