total fertility rate relates to the number of children that a woman bears in the fertility period of her life. fertility function is one of the most important health and population indicators. this indicator affects social, health, economic and cultural factors. this study is an ecological or correlative one. factors affecting total fertility rate in iran in the year 2000 are studied in this pa...

Manually assigned keywords provide a valuable means for accessing large document collections. They can serve as a shallow document summary and enable more efficient retrieval and aggregation of information. In this paper we investigate keywords in the context of the Dutch Folktale Database, a large collection of stories including fairy tales, jokes and urban legends. We carry out a quantitative...

Computer programming today is far too dependent on one particular natural language, namely English. Mathematics is not dependent on English, and programming should not be, either. In order to eliminate the dependence of programming on English, we have constructed a programming language in which the keywords are replaced by symbols available on standard keyboards. Each of these symbols is chosen...

The article focuses on the role of keywords, their statistical data for determining thematic dominance when working with large arrays texts. description is based materials a typological linguistic study texts military songs, period 1939-1945, in English and Russian. selection keywords was carried out basis semantic, lexical-syntactic, morphological analysis, taking into account frequency use. u...

or Introduction Details of a planning study for USAF computer security requirements are presented. An Advanced development and Engineering program to obtain an open-use, multilevel secure computing capability is described. Plans are also presented for the related developments of communications security products and the interim solution to present secure computing problems. Finally a Exploratory...

Private information retrieval (PIR) schemes enable a user to access one or more servers that hold copies of a database and privately retrieve parts of the n bits of data stored in the database. This means that the queries give each individual database no partial information (in the information theoretic or computational sense) on the identity of the item retrieved by the user. All known PIR sch...