id author title date pages extension mime words sentences flesch summary cache txt 5767 Bookstein, Abraham Statistical Behavior of Search Keys 1973-06-01 8 .pdf application/pdf 3379 283 73 to explain his observation; it is suggested that the gross features of the behavior are statistical in nature and not properties of specific search keys. of items having a given search key value will vary. the number of requests to use in a test of search key behavior in a given For a particular collection, letS denote the set of search key values fraction of the requests with search key values in S; if we do so, we will items arrive, they are randomly distributed among the search key values Nfpg(p)dp = Np as the expected number of items retrieved by a random request; since this is proportional toN, doubling the size of the collection will, in fact estimating f(p): if there ares search key values that retrieve n items as search key values are concerned, a particular library's collection can be "Title-Only Entries Retrieved by Use of Truncated Search Key," Journal of Library ./cache/5767.pdf ./txt/5767.txt