This thesis work is mainly focused on two problems related to improving accessibility of information graphics for visually impaired users. The first problem is automated analysis of information graphics for information extraction and the second problem is multi-modal representations for accessibility. Information graphics are graphical…

The goal of this project was to find ways of enhancing the efficiency of searching machine readable data bases. Ways are sought to transfer to the computer some of the tasks that are normally performed by the user, i.e., to further automate information retrieval. Four experiments were conducted to test the feasibility of a sequential processing…

Describes a systematic approach to the design of fixed-length, derived, truncated search keys for corporate author records; and a statistical method for predicting the performance of search keys for files of arbitrary size. (VT)

The compilation of a dictionary for automatic translation from Russian to English is described in detail. Emphasis is placed on: (1) morphological and functional classifications of Russian words, (2) dictionary compilation, (3) the structure of signs, (4) automatic information-processing machines, (5) from the automatic dictionary to the automatic…