Sistemas de gestión de bibliotecas
Durante los cinco últimos años se ha producido un impresionante dador de bases de datos (información científica y técnica, económica, cede los usuarios de microordenadores. Dos de estos distribuidores, DIALOG ceso (Knowledge Index de DIALOG y BRET HRV de BRS) a sus bases de datos, que utilizan lenguajes de interrogación simplificados y son facturados con tarifas reducidas.
Over the past five years there has been an impressive expansion of database distributors offering scientific, technical, economic, and business information to microcomputer users. Two of these distributors, DIALOG (through its Knowledge Index) and BRS (through BRS/SEARCH), provide access to their databases using simplified query languages and reduced-rate billing.
We omit their discussion here because it has already been developed elsewhere in this book.









