This paper describes computer-based optical character recognition (OCR) systems, focusing on their components (the computer, the scanner, the OCR, and the output device); how the systems work; and features to consider in selecting a system. A list of 26 questions to ask to evaluate systems for potential purchase is included. (JDD)

The three articles in this special section on document image files discuss intelligent character recognition, including comparison with optical character recognition; selection of displays for document image processing, focusing on paperlike displays; and imaging hardware, software, and vendors, including guidelines for system selection. (MES)

Describes the development of the Online Contents Service at Tilburg University (Netherlands) that provides users with desktop microcomputer access to the contents of journals held at the university. The rationale, procedures, retrieval software, subject search capability, and future developments are discussed. (five references) (EA)