Discusses information retrieval and the use of binary trees as a fast access method for search strategies such as hashing. Proposes new methods based on compact binary trees that provide faster access and more compact storage, explains the theoretical basis, and confirms the validity of the methods through empirical observations. (LRW)

Discussion of language barriers when using multilingual digital library collections on the Internet focuses on query translation and document translation in a Chinese-English information retrieval system called MTIR. Highlights include a bilingual dictionary; machine transliteration algorithm; design issues for document translation; HTML tags; and…

Describes an algorithm for computer generation of hierarchical indexes for document collections. The resulting index, when presented with a graphical interface, provides users with a view of a document collection that permits general browsing and informal search activities via an access method that requires no keyboard entry or prior knowledge of…