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ITIS 1210 Introduction to Web-Based Information Systems

ITIS 1210 Introduction to Web-Based Information Systems. Internet Research Four Finding Specialty Information. Introduction. What if you need very specific information? Addresses Telephone numbers Definition of a word Web site for a business. Introduction.

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ITIS 1210 Introduction to Web-Based Information Systems

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  1. ITIS 1210Introduction 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. Password protected files Dynamically generated pages Databases Newsgroups File formats (.pdf, .xls, .doc, .ppt, …) Visible Web Specialty Information Deep Web

  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 • Searchable • 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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