The last installment in a three part series compares commands and features for accessing and manipulating the results obtained from the DIALOG and QUESTEL information systems. Highlights include enhancements to syntax and defaults, options for output arrangement and retrieval, reformatting of selected data, memory, unique features, and examples.…

Second article in a three-part series focuses on enhancements of search commands and features in the DIALOG and QUESTEL information systems. Highlights include system responses and capacities (aids to searching); search commands and features (proximity searching, field specification, limits); concatenating complex requests; and saving search…

First of a three-part series provides an overview of pre-enhancement DIALOG and QUESTEL information systems including their histories, databases, query languages, and services. Description of implementation of DIALOG Version 2 and QUESTEL PLUS and a general comparison of system features provide a preview of specific comparisons in part 2. (EJS)

Trends in online searching are discussed in terms of how end users continue to change role of the librarian and information specialist. Identification and description of end users, user-friendly information retrieval systems, front-end software packages, and current and potential developments in end user searching are covered. Ten readings are…