From Subject Directories to Subject Meta-directories via Declarative Programming

Authors:
Antonio Brogi;Gianluca Caruso
Affiliations:
-;-
Venue:
PADL '01 Proceedings of the Third International Symposium on Practical Aspects of Declarative Languages
Year:
2001

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Abstract

Subject directories and search engines are the most commonly used tools to search for information on the World Wide Web. We propose a novel notion of subject meta-directory on top of standard subject directories, which strongly resembles the way in which meta-search engines extend standard search engines. After analyzing the main choices arising in the design of subject meta-directories, we describe the implementation of WebGate, a subject meta-directory entirely written in Prolog.