This paper describes an approach to solving a major problem in the information processing sciences— that of searching very large (5-50 billion characters) data bases of unstructured free-text for random queries within a reasonable time and at an affordable price. The need by information specialists and knowledge workers for large, fast low-cost text… (More)
This paper compares inversion of text files with inversion of more structured records. The unique characteristics of textual data which restrict the utility of inversion are identified and discussed. Inversion is shown to be useful only for small, static data bases, and when full text search is not required.
The Andrew Young School of Policy Studies was established at Georgia State University with the objective of promoting excellence in the design, implementation, and evaluation of public policy. In addition to two academic departments (economics and public administration), the Andrew Young School houses seven leading research centers and policy programs,… (More)