نتایج جستجو برای: webcrawler

تعداد نتایج: 35  

Journal: :Library Trends 1999
Gobinda G. Chowdhury

WITHT H E RAPID GROWTH OF DIGITAL INFORMATION RESOURCES, information extraction (1E)-the process of automatically extracting information from natural language texts-is becoming more important. A number of IE systems, particularly in the areas of news/fact retrieval and in domain-specific areas, such as in chemical and patent information retrieval, have been developed in the recent past using th...

Journal: :D-Lib Magazine 1997
Ben Shneiderman Donald Byrd W. Bruce Croft

Current user interfaces for textual database searching leave much to be desired: individually, they are often confusing, and as a group, they are seriously inconsistent. We propose a fourphase framework for user-interface design: the framework provides common structure and terminology for searching while preserving the distinct features of individual collections and search mechanisms. Users wil...

2000
Eric A. Zimmer Christopher D. Hunter

This chapter addresses the differences between the perception of encountering objectionable material on the World Wide Web and the actual percentage of such material. The authors outline the interconnected history of new communication technologies and potentially offensive material and then discuss current public perceptions of such material on the Web. They present the results from a content a...

2013
Ritika Hans Gaurav Garg

In large distributed hypertext system like the World-Wide Web; users find resources by following hypertext links. As the size of the system increases the users must traverse increasingly more links to find what they are looking for, until precise navigation becomes impractical. The WebCrawler is a tool that solves these problems by indexing and automatically navigating the Web. This paper descr...

Journal: :Library Trends 1996
Jack T. Smith

META-ANALYSIS IS A quantitative statistical tool for combining research studies with a small study population to achieve a larger effect in size. It combines the talents of subject experts, statisticians, meta-analytic specialists, information management professionals, and librarians, creating a multidisciplinary team. This article will explore the interdisciplinary nature of interdisciplinary ...

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