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Agrawal, Rakesh; Gollapudi, Sreenivas; Kannan, Anitha; Kenthapadi, Krishnaram – Journal of Educational Data Mining, 2014
We present "study navigator," an algorithmically-generated aid for enhancing the experience of studying from electronic textbooks. The study navigator for a section of the book consists of helpful "concept references" for understanding this section. Each concept reference is a pair consisting of a concept phrase explained…
Descriptors: Electronic Publishing, Textbooks, Navigation, Hypermedia
Patrick, Timothy B.; Sievert, MaryEllen C.; Popescu, Mihail – Proceedings of the ASIS Annual Meeting, 1999
Describes an alternative method for indexing images in an image database. The method consists of manually indexing a selected reference image, and then using retrieval by graphical content to automatically transfer the manually assigned index terms from the reference image to the images to be indexed. (AEF)
Descriptors: Automation, Classification, Computer Graphics, Databases

Bookstein, Abraham; And Others – Information Processing and Management, 1992
Discusses the problems of compressing a large textual database for storage on CD-ROM. A text-compression algorithm is presented, new algorithms for compression of indices are described, and the ARTFL (American and French Research on the Treasury of the French Language) database is used as an example. (14 references) (LRW)
Descriptors: Algorithms, Coding, Full Text Databases, Indexes
Hamilton, G. E.; Smart, K. I. – 1974
The aims of the first phase of the Statistics Indexing and Retrieval (STIR) Project have been: (1) to define the types and sources of statistics which should be within the scope of an operational indexing system for statistical sources; (2) to analyze the use made of statistical sources; and (3) to consider the intellectual, structural, and…
Descriptors: Computer Programs, Databases, Feasibility Studies, Indexes
Geffet, Maayan; Feitelson, Dror G. – 2001
An obvious and natural approach to organizing a large corpus of data is a hierarchical index--akin to a book's table of contents. The type of corpus dealt with here is a bibliographical repository, with entries form a limited domain. Given such an index, it is desirable that search results point to relevant locations in the hierarchy, rather than…
Descriptors: Bibliographic Databases, Bibliographic Records, Indexes, Information Processing

Mazur, Zygmunt – Information Processing and Management, 1979
Examines through a series of mathematical models (theorems, descriptions, and examples), properties and operations on inverted files, which are used in an information retrieval system based on thesaurus with weighted descriptors. (CWM)
Descriptors: Algorithms, Indexes, Information Processing, Information Retrieval
Rorvig, Mark; Smith, Michael M.; Uemura, Aya – Proceedings of the ASIS Annual Meeting, 1999
Shape Recovery Analysis (SHERA), a new visual analytical technique, is applied to the N-Gram hypothesis on matched Japanese-English technical documents. Results reveal compaction in the translation of Japanese subject terms to English subject terms. The biagram approach to the Japanese data yields a remarkable similarity to the matching visualized…
Descriptors: Authority Control (Information), Data Analysis, Electronic Text, Indexes
Eichman, Thomas Lee – 1979
An adaptation of Heilprin's model of the path of propagation of human messages is used to explore the truism that more experienced academic researchers tend to go directly to the published literature, while less experienced researchers may rely more on such secondary sources as indexes and other library reference and bibliographic services. The…
Descriptors: Academic Libraries, Citation Indexes, Comparative Analysis, Content Analysis