Reliability of a distributed search engine for fresh information retrieval in large-scale intranet

Nobuyoshi Sato, Minoru Udagawa, Minoru Uehara, Yoshifumi Sakai

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    We have developed distributed search engine, called Cooperative Search Engine (CSE), in order to retrieve fresh information. In CSE, a local search engine located in each Web server makes an index of local pages. And, a meta search server integrates these local search engines in order to realize a global search engine. However, in such a way, the communication delay occurs at retrieval time. So, it is thought to be difficult to search fast. However, we have developed several speedup techniques in order to realize real time retrieval. By the way, distributed search engines such as CSE are essentially fault tolerant. However, the meta server is single point of failure in CSE. So, we propose redundancy of meta search servers in order to increase availability of CSE. In this paper, we describe reliability of CSE and their evaluations.

    Original languageEnglish
    Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
    EditorsMinyi Guo, Laurence Tianruo Yang
    PublisherSpringer Verlag
    Pages14-27
    Number of pages14
    ISBN (Print)9783540376194
    DOIs
    Publication statusPublished - 2003

    Publication series

    NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
    Volume2745
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349

    ASJC Scopus subject areas

    • Theoretical Computer Science
    • Computer Science(all)

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