Our experience... itc - itis Schio 2006 Our experience... itc - itis Schio 2006.
ITIS 1210 Introduction to Web-Based Information Systems Internet Research Four Finding Specialty...
-
Upload
britton-cox -
Category
Documents
-
view
213 -
download
0
Transcript of ITIS 1210 Introduction to Web-Based Information Systems Internet Research Four Finding Specialty...
ITIS 1210ITIS 1210Introduction to Web-Based Introduction to Web-Based
Information SystemsInformation Systems
Internet Research FourInternet Research FourFinding Specialty InformationFinding Specialty Information
IntroductionIntroduction
What if you need very specific What if you need very specific information?information? AddressesAddresses Telephone numbersTelephone numbers Definition of a wordDefinition of a word Web site for a businessWeb site for a business
IntroductionIntroduction
May be stored in an online databaseMay be stored in an online database Usually not indexed by search enginesUsually not indexed by search engines
Specialty Web sites includeSpecialty Web sites include Telephone directoriesTelephone directories MapsMaps PeriodicalsPeriodicals Government sitesGovernment sites Mailing lists/newsgroupsMailing lists/newsgroups
IntroductionIntroduction
Usually must visit each site independently Usually must visit each site independently to find informationto find information
Now can use intelligent agents to search Now can use intelligent agents to search for youfor you
Specialty InformationSpecialty Information
Search engines know about the visible Search engines know about the visible WebWeb
What about the invisible (deep) Web?What about the invisible (deep) Web? Online databases not indexed by search Online databases not indexed by search
enginesengines Usually require direct accessUsually require direct access
May require username/passwordMay require username/password May be dynamically generated based on a May be dynamically generated based on a
specific queryspecific query
Specialty InformationSpecialty Information
Deep Web
Visible Web
DatabasesPassword
protected files
Newsgroups
Dynamically generated pages
File formats (.pdf, .xls, .doc, .ppt
, …)
Specialty InformationSpecialty Information
How to find specialty information?How to find specialty information? Search via a specialty Web siteSearch via a specialty Web site May require subscriptionMay require subscription Libraries are good resourcesLibraries are good resources
ProQuestProQuest EBSCOHostEBSCOHost
Specialty InformationSpecialty Information
Scope or focusScope or focus Tends to be narrowTends to be narrow
Higher quality for specific purposeHigher quality for specific purpose
May find overlap with multiple sites on the May find overlap with multiple sites on the same general subjectsame general subject
Specialty InformationSpecialty Information
Free or pay?Free or pay? General information may be freeGeneral information may be free
Details you have to pay forDetails you have to pay for
May require registrationMay require registration Name, address, email, credit cardName, address, email, credit card Often a means to spam youOften a means to spam you
Current information may be freeCurrent information may be free Archived information requires subscription/feeArchived information requires subscription/fee
Review privacy policiesReview privacy policies
Specialty InformationSpecialty Information
Incomplete coverageIncomplete coverage Up-to-date information hard to come byUp-to-date information hard to come by ValuableValuable May have to pay for itMay have to pay for it Access may be restricted by ownerAccess may be restricted by owner
Corporate informationCorporate information Trade secretsTrade secrets Inventory databaseInventory database Employee directoriesEmployee directories
Finding People or PlacesFinding People or Places
Search bySearch by NameName Phone numberPhone number Street addressStreet address Email addressEmail address
Not necessarily comprehensiveNot necessarily comprehensive Individuals may opt outIndividuals may opt out People movePeople move
Finding People or PlacesFinding People or Places
Where to go for people?Where to go for people? Yahoo people search WhoWhere Switchboard WhitePages US Search
Finding People or PlacesFinding People or Places
Where to go for maps?Where to go for maps? MapQuest Yahoo Maps WhereIs EarthCam Google Maps
Strange mapStrange map Dig a Hole
Finding BusinessesFinding Businesses
Yellow PagesYellow Pages Yellow.com YellowPages.com InfoSpace.com AnyWho
InternationalInternational Europages
Finding BusinessesFinding Businesses
Reverse lookupsReverse lookups ReversePhoneDirectory.com AnyWho.com InfoSpace.com
Searching PeriodicalsSearching Periodicals
Periodical databases includePeriodical databases include Popular magazinesPopular magazines NewspapersNewspapers Scholarly journalsScholarly journals
Some may be online onlySome may be online only Salon.comSalon.com
May not carry same stories as print May not carry same stories as print versionversion
Searching PeriodicalsSearching Periodicals
Subscription databasesSubscription databases ProquestProquest InfoTracInfoTrac
SearchableSearchable MagPortal.comMagPortal.com FindArticles FindArticles
Government InformationGovernment Information
Portals are commonPortals are common FedWorld.gov FirstGov.gov Government Printing Office
Online ReferenceOnline Reference
Lots of kindsLots of kinds AlmanacsAlmanacs DictionariesDictionaries EncyclopediasEncyclopedias DirectoriesDirectories
May be licensed for patron use onlyMay be licensed for patron use only May be able to access from homeMay be able to access from home
Online ReferenceOnline Reference
ResourcesResources FILExt.com – File extensions – File extensions Netiquette – Online etiquette – Online etiquette Wikipedia.org – Encyclopedia – Encyclopedia Webopedia.com - Encyclopedia - Encyclopedia m-w.com – Dictionary – Dictionary
Mailing Lists & NewsgroupsMailing Lists & Newsgroups
Web is not just informationWeb is not just information Communication and InteractionCommunication and Interaction
Mailing lists (listserv)Mailing lists (listserv) Automatically email all subscribersAutomatically email all subscribers
Newsgroups (Usenet)Newsgroups (Usenet) Virtual bulletin boardsVirtual bulletin boards Messages postedMessages posted Can read and respondCan read and respond
Mailing Lists & NewsgroupsMailing Lists & Newsgroups
Mailing list resourcesMailing list resources LSoftLSoft coollistcoollist MailmanMailman
Newsgroup resourcesNewsgroup resources newzbot.comnewzbot.com Usenet PortalUsenet Portal Google GroupsGoogle Groups
Intelligent AgentsIntelligent Agents
As Internet grows, finding the right As Internet grows, finding the right information becomes harder and harderinformation becomes harder and harder
New tools evolving: intelligent search agentNew tools evolving: intelligent search agent Software that automates searchesSoftware that automates searches ““Knows” how to query parts of deep WebKnows” how to query parts of deep Web Can rank & sort resultsCan rank & sort results
Intelligent AgentsIntelligent Agents
ResourcesResources AgentLandAgentLand BotSpotBotSpot 123bots123bots Popup-bustersPopup-busters Intelligent AgentsIntelligent Agents