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Internet Power Searching: Finding Pearls in a Zillion Grains of Sand

Internet Power Searching: Finding Pearls in a Zillion Grains of Sand. By Daniel Arze. Growth. During the past two years Web content has expanded enormously. Internet explosion caused. Access to vast amount of information from many different sources not available in the past. Search Engine.

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Internet Power Searching: Finding Pearls in a Zillion Grains of Sand

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  1. Internet Power Searching:Finding Pearls in a Zillion Grains of Sand By Daniel Arze

  2. Growth • During the past two years Web content has expanded enormously. • Internet explosion caused. • Access to vast amount of information from many different sources not available in the past.

  3. Search Engine • The major research tool. • Over 380 million pages.(1998) • Hundred of databases.

  4. Downside • Many hours can be wasted searching with out results. • Documents no longer exist. • Most Engines cannot index frames or image maps. • Engines do no index information from complex databases like Amazon.com • Sites requiring passwords are not returned. • Large portion of the web not searchable.

  5. Major Engines • AltaVista (1995) • HotBot (1997) • Excite • Northern Light • Yahoo (Oldest Web directory)

  6. Alta Vista • Good for specific searches. • Offers advanced query feature. • Allows natural language query. • Provides translation between English and five different languages. • Boolean searching. • Filed searching. • Not user-friendly.

  7. Excite • Good for broad topics. • Simultaneous search. • NewsTracker (300 news sources). • User-friendly travel site. • Boolean search.

  8. HotBot • User-friendly interface. • Results appear quickly. • Can review 100 results at the time. • Optional boolean searching. • Search by continents. • Field searching.

  9. Northern Light • Web and Northern Light collections (available for $1.00-$4.00 each). • Advanced power and industry searches. • Automatically refines searches. • Enterprise accounts (corporations and Organizations).

  10. Yahoo! • Good for broad topics. • Contains 750,000 sites. • World Yahoo! (Country versions). • Inclusion/exclusion. • Phrases. • Wildcards, Title, URL limiters.

  11. DejaNews and Reference.com • Newsgroups. • Mailing lists. • Identifying experts.

  12. Where to start • Depends on research goals and needs. • Become familiar with major search engines. • Plan your search (unique words, phrases, and synonyms). • Don’t spend too much time on one engine move to the next one.

  13. Hint & Tips • Boolean searching. • Quotations around Phrases. • Field searching (Date, title, URL, sound, video, etc.) • Words such as Internet, Web, as, the, a, etc. are excluded.

  14. Metasearch Engines • Websites that search in several engines at once. • DogPile • (Yahoo!, Lycos, Excite, GoTo, Planetsearch, Thunderstone, WebCrawler, Infoseek) • Reference.com, Dejanews, AltaVista. • Two dozen online news services. • Internet Sleuth • 3,000 strong collections of specialized online databases. • Linked to popular Net search engines. • Sorts results.

  15. Metasearch Engines con’t • ProFussion • Lets you select what engines to use. • Filters results to remove duplicate and broken links.

  16. Intelligent Agents • Outcome might be incomplete • Intelligent Software programs (BullsEye) • Analyze • Filter • Delete Duplicates • Select by number of hits. • Track & update searches hourly, daily, weekly, and e-mail updates.

  17. Hard to find Information • Information from government agencies & professional and trade associations. • Direct Search • Links to resources not easily searchable on the web • Library catalogs, books, news, sources and ready reference

  18. Conclusion Search engines are still the best way and source to find information on the Web. It’s easy to use and easy to access. There is still room to incorporate all the Web-pages that are still not accessible through the Search Engines.

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