Argues that the best strategy for building integrated, personalized information systems consists of linguistically oriented knowledge and inference, rather than artificial intelligence techniques. The discussion addresses difficulties in the evaluation of such systems and strategies for devising performance studies. (five references) (CLB)

Describes information system being developed by Unesco's General Information Program and Brazilian Institute for Information Science and Technology to overcome lack of timely, relevant data to support national information decision making. Principles and examples of practical applications of the system are presented. Prospects and requirements for…