منابع مشابه
Indexing in Hypertext Databases
WHAT IS HYPERTEXT? As Franklin puts it, "defining hypertext is much like describing beauty: part of it is inherent in the eye of the beholder" (1). Nevertheless, hypertext can be defined as "non-sequential reading and writing." Hypertext systems contain frames of text, pictures, sound, and animation that are organized non-linearly in a network of linked frames. From any frame, users can access ...
متن کاملIndexing in a Hypertext Database
Database indexing is a well studied problem. However, the advent of Hypertext databases opens new questions in indexing. Searches are often demarcated by pointers between text items. Thus the scope of the search may change dynamically, whereas traditional indexes cover a statically defined region such as a relation. We present techniques for indexing in hypertext databases and compare their per...
متن کاملIn search of the unknown user: indexing, hypertext and the world wide web
For the purposes of this article, the indexing of information is interpreted as the pre-processing of information in order to enable its retrieval. This definition thus spans a dimension extending from classification-based approaches (pre-co-ordinate) to keyword searching (post-co-ordinate). In the first section we clarify our use of terminology, by briefly describing a framework for modelling ...
متن کاملHypertext for Hypertext: a Figured Thesaurus
On the basis of a heraldic encyclopedia, a hypertext has been built. The existence of an exact heraldic grammar allows a classification of the coats-of-arms, but it is not easy to be used from not skillful users, and it makes particularly critic the user interface. The constitution of a figured thesaurus, hypertext structured, allowed the realization of a concept browsing interface, which accom...
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ژورنال
عنوان ژورنال: Journal of Discrete Algorithms
سال: 2013
ISSN: 1570-8667
DOI: 10.1016/j.jda.2012.10.001