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ITIS 1210 Introduction to Web-Based Information Systems

Introduction. What if you need very specific information?AddressesTelephone numbersDefinition of a wordWeb site for a business. Introduction. May be stored in an online databaseUsually not indexed by search enginesSpecialty Web sites includeTelephone directoriesMapsPeriodicalsGovernment si

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ITIS 1210 Introduction to Web-Based Information Systems

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    1. ITIS 1210 Introduction to Web-Based Information Systems Internet Research Four Finding Specialty Information

    2. Introduction What if you need very specific information? Addresses Telephone numbers Definition of a word Web site for a business

    3. Introduction May be stored in an online database Usually not indexed by search engines Specialty Web sites include Telephone directories Maps Periodicals Government sites Mailing lists/newsgroups

    4. Introduction Usually must visit each site independently to find information Now can use intelligent agents to search for you

    5. Specialty Information Search engines know about the visible Web What about the invisible (deep) Web? Online databases not indexed by search engines Usually require direct access May require username/password May be dynamically generated based on a specific query

    6. Specialty Information

    7. Specialty Information How to find specialty information? Search via a specialty Web site May require subscription Libraries are good resources ProQuest EBSCOHost

    8. Specialty Information Scope or focus Tends to be narrow Higher quality for specific purpose May find overlap with multiple sites on the same general subject

    9. Specialty Information Free or pay? General information may be free Details you have to pay for May require registration Name, address, email, credit card Often a means to spam you Current information may be free Archived information requires subscription/fee Review privacy policies

    10. Specialty Information Incomplete coverage Up-to-date information hard to come by Valuable May have to pay for it Access may be restricted by owner Corporate information Trade secrets Inventory database Employee directories

    11. Finding People or Places Search by Name Phone number Street address Email address Not necessarily comprehensive Individuals may opt out People move

    12. Finding People or Places Where to go for people? Yahoo people search WhoWhere Switchboard WhitePages US Search

    13. Finding People or Places Where to go for maps? MapQuest Yahoo Maps WhereIs EarthCam Google Maps Strange map Dig a Hole

    14. Finding Businesses Yellow Pages Yellow.com YellowPages.com InfoSpace.com AnyWho International Europages

    15. Finding Businesses Reverse lookups ReversePhoneDirectory.com AnyWho.com InfoSpace.com

    16. Searching Periodicals Periodical databases include Popular magazines Newspapers Scholarly journals Some may be online only Salon.com May not carry same stories as print version

    17. Searching Periodicals Subscription databases Proquest InfoTrac Searcahble MagPortal.com FindArticles

    18. Government Information Portals are common FedWorld.gov FirstGov.gov Government Printing Office

    19. Online Reference Lots of kinds Almanacs Dictionaries Encyclopedias Directories May be licensed for patron use only May be able to access from home

    20. Online Reference Resources FILExt.com – File extensions Netiquette – Online etiquette Wikipedia.org – Encyclopedia Webopedia.com - Encyclopedia m-w.com – Dictionary

    21. Mailing Lists & Newsgroups Web is not just information Communication and Interaction Mailing lists (listserv) Automatically email all subscribers Newsgroups (Usenet) Virtual bulletin boards Messages posted Can read and respond

    22. Mailing Lists & Newsgroups Mailing list resources LSoft coollist Mailman Newsgroup resources newzbot.com Usenet Portal Google Groups

    23. Intelligent Agents As Internet grows, finding the right information becomes harder and harder New tools evolving: intelligent search agent Software that automates searches “Knows” how to query parts of deep Web Can rank & sort results

    24. Intelligent Agents Resources AgentLand BotSpot 123bots Popup-busters Intelligent Agents

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