Full-Text Searching on Major Supermarket Systems: Dialog, Data-Star, and Nexis.
Carol Tenopir, S. Berglund · 1993
Searchers need to compare and select which is the best source when each offers the same texts, and also how to change a successful search strategy when going from system to system for unique offerings. The similarities, differences, and full-text features of the three most used supermarket systems for full text are examined here