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Hidden Web and Online Learning Hidden Web and Online Learning ResourcesResources
Aim of the session
Accessing “good” information for academic / research / educational
purposes not accessible via standard search engines
TAFE NSW – Sydney InstituteTAFE NSW – Sydney Institute
Ultimo College LibraryUltimo College Library
Presenters:Presenters:
Beatriz ArocheR/Educational Services LibrarianUltimo College Library9217 4689
Diana KhabbazA/Manager Staff LearningLearning & Innovation9217 4211
Hidden Web and Online Learning Resources
End of the session End of the session Understand what constitutes the Understand what constitutes the
“hidden web” or “invisible web”“hidden web” or “invisible web” Learn ways of accessing that Learn ways of accessing that
information (with particular ref to information (with particular ref to Online Learning Resources) using Online Learning Resources) using directories, databases and search directories, databases and search enginesengines
Understand how to use search Understand how to use search engines more effectivelyengines more effectively
TAFE NSW – Sydney Institute, Ultimo College Library
The numbers of documents that remain unindexed?
around 550 billionaround 550 billion
TAFE NSW – Sydney Institute, Ultimo College Library
The Deep WebThe Deep Web
What is the visible web?
Content that can be indexed and Content that can be indexed and searched by ordinary search searched by ordinary search engines.engines.
TAFE NSW – Sydney Institute, Ultimo College Library
What is the invisible (hidden / deep) web?
Files, images, and web sites, Files, images, and web sites, that for a variety of reasons, that for a variety of reasons, cannot be indexed by popular cannot be indexed by popular search engines like Google. search engines like Google.
TAFE NSW – Sydney Institute, Ultimo College Library
Why don’t search engines index this stuff?
Search engine results are found by computer Search engine results are found by computer programs called spiders or robots and generally programs called spiders or robots and generally exclude:exclude:
Specialised databases (e.g. ANZRC, Factiva) where a Specialised databases (e.g. ANZRC, Factiva) where a username and password is required. username and password is required.
Searchable databases where the pages generated Searchable databases where the pages generated are dynamic (e.g. library catalogues, white pages) are dynamic (e.g. library catalogues, white pages) Pages containing a “?” in the URL.Pages containing a “?” in the URL.
TAFE NSW – Sydney Institute, Ultimo College Library
So…how do we find these wonderful “hidden” sites?
Directories (general or subject specific)Directories (general or subject specific)
Specialised Databases (subscribed to by Specialised Databases (subscribed to by your library or freely available)your library or freely available)
Effective use of search enginesEffective use of search engines
TAFE NSW – Sydney Institute, Ultimo College Library
General or subject specificGeneral or subject specific Indexed by real peopleIndexed by real people Expensive to createExpensive to create High relevancy, low recallHigh relevancy, low recall Can be indiscriminate in quality or Can be indiscriminate in quality or
expert createdexpert created
Directories
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Online Learning Directories / DatabasesOnline Learning Directories / Databases
TALETALE
Flexible Learning ToolboxesFlexible Learning Toolboxes
EdNaEdNa
ProveITProveIT
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TaleTaleTeaching & Learning ExchangeTeaching & Learning Exchange
DET NSW schools & TAFE statewide DET NSW schools & TAFE statewide resourcesresources
Access to quality teaching & learning Access to quality teaching & learning resources resources
Professional Learning Communities PLCs Professional Learning Communities PLCs www.tale.edu.auwww.tale.edu.au DET User ID & passwordDET User ID & password
TAFE NSW – Sydney Institute, Ultimo College Library
Flexible Learning ToolboxesFlexible Learning Toolboxes
Australian Flexible Learning FrameworkAustralian Flexible Learning Framework Competency based national resources Competency based national resources
available in CD Rom formatavailable in CD Rom format http://toolboxes.flexiblelearning.net.au/http://toolboxes.flexiblelearning.net.au/
TAFE NSW – Sydney Institute, Ultimo College Library
EdNAEdNAEducationEducation NetworkNetwork AustraliaAustralia
A directory about education and training in A directory about education and training in Australia (DEST) Australia (DEST)
A database of web-based resources useful A database of web-based resources useful for teaching and learningfor teaching and learning
http://www.edna.edu.auhttp://www.edna.edu.au
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ProveITProveIT
DET quick and easy toolkit for collecting DET quick and easy toolkit for collecting evidence for assessment and recognitionevidence for assessment and recognition
Currently a limited list of coursesCurrently a limited list of courses http://proveit.tafensw.edu.au/http://proveit.tafensw.edu.au/
TAFE NSW – Sydney Institute, Ultimo College Library
Other freely available course Other freely available course resourcesresources
Curriki (new) Curriki (new) www.curriki.orgwww.curriki.org
Open source curriculaOpen source curricula
High quality educational resourcesHigh quality educational resources
OER CommonsOER Commonswww.oercommons.orgwww.oercommons.org
Teaching and learning network offering a broad Teaching and learning network offering a broad selection of materials for freeselection of materials for free
DMOZ– General Open directory (DMOZ): maintained by volunteers and in partnership with Google.http://dmoz.org/
INTUTE – Web resources across subject areas. http://www.intute.ac.uk
PINAKES – Directory of directories / gateways.http://www.hw.ac.uk/libWWW/irn/pinakes/pinakes.html
INFOMINE – compiled by librarians for university students and staff.http://infomine.ucr.edu/
Other directories - Examples
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e.g. How to find directories when you know the name but not the URL
TAFE NSW – Sydney Institute, Ultimo College Library
Specialised Databases, examples…Specialised Databases, examples…
Specialised databases - no subscription needede.g. EDNA , ERIC (education)
http://www.eric.ed.gov/
Specialised databases - subscription needed e.g. Factiva, ANZRC, AST-FT, Australian Standards, MasterFile Premier,Infotrac, Proquest,
Subject specific search engines e.g. SCIRUS (Science), MedHunt, OSTI
TAFE NSW – Sydney Institute, Ultimo College Library
Specialised DatabasesSpecialised DatabasesHow to find them…How to find them…
Using search enginese.g. type Science database or “Australian art” database, education database
Using subject specific directories of gatewayse.g. BUBL, http://bubl.ac.uk/
Librarian’s index to the Internet www.lii.org ,Pinakes
Using Invisible web directoriese.g Complete Planet www.completeplanet.com
Using the subscribed specialised databases available in your librarye.g. Factiva, ANZRC, Australian Standards, MasterFile,Infotrac, Proquest
TAFE NSW – Sydney Institute, Ultimo College Library
Search Engines
General:General: Google http://www.google.com Google http://www.google.com
Yahoo http://www.yahoo.com Yahoo http://www.yahoo.com Ask.com http://www.ask.com Ask.com http://www.ask.com Live.com http://www.live.com Live.com http://www.live.com
Exalead.com http://www.exalead.com Exalead.com http://www.exalead.com
Australian:Australian: Sensis – www.sensis.com.au Sensis – www.sensis.com.au
TAFE NSW – Sydney Institute, Ultimo College Library
Source: Source: NetRatingsforSearchengineWatch.comNetRatingsforSearchengineWatch.com
e.g. General search engine - ask.come.g. General search engine - ask.com
Suggestions to narrow
search
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e.g. Google - Cheat Sheet
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e.g. Google - Cheat Sheet…. Continued …
Comparison: Yahoo vs Googlehttp://ranking.thumbshots.com
TAFE NSW – Sydney Institute, Ultimo College Library
Effective Use of Search Engines
Use ADVANCED SEARCH and search tipsUse ADVANCED SEARCH and search tips Use more than one word – make it as Use more than one word – make it as
specific as possiblespecific as possible Use synonyms, and try different spellingsUse synonyms, and try different spellings Use “ ” for phrase searchingUse “ ” for phrase searching Use a minus sign to excluded a word or Use a minus sign to excluded a word or
term e.g. “Aboriginal art” –galleriesterm e.g. “Aboriginal art” –galleries Use -.com to excluded commercial sites, Use -.com to excluded commercial sites,
etc. etc.
TAFE NSW – Sydney Institute, Ultimo College Library
MetaSearch Engines
Metasearch engines search more than one Metasearch engines search more than one search engine at a timesearch engine at a time
ExamplesExamples Dogpile Dogpile http://dogpile.comhttp://dogpile.com Clusty Clusty http://clusty.comhttp://clusty.com Metacrawler Metacrawler http://metacrawler.comhttp://metacrawler.com Jux2 Jux2 http://jux2.comhttp://jux2.com
TAFE NSW – Sydney Institute, Ultimo College Library
Search Engines - AcademicSearch Engines - Academic
Google Scholar Google Scholar http://www.googlescholar.comhttp://www.googlescholar.com
Yahoo mindset Yahoo mindset http://mindset.research.yahoo.comhttp://mindset.research.yahoo.com
Live.com academic Live.com academic http://www.live.com http://www.live.com
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Best method for searching? (General)
Define your needsDefine your needs Choose the best starting point – Choose the best starting point –
search or browse?search or browse? Re-assess your strategyRe-assess your strategy
Useful GuideUseful Guide Noodle Tools – Choose the Best Noodle Tools – Choose the Best
SearchSearch
TAFE NSW – Sydney Institute, Ultimo College Library
e.g. Noodle Tools – help for online research
http://www.noodletools.com/
e.g. Noodle Tools … continued….
WEB 2.0WEB 2.0
What is web 2.0?What is web 2.0?
The technical heart The technical heart of Web 2.0 is the of Web 2.0 is the two-way link: ie, two-way link: ie,
the RSS link.the RSS link.
The Social aspect is The Social aspect is the two-way flow of the two-way flow of
information…information…
Web1Web1 Web2Web2
Banner adsBanner ads Google adsGoogle ads
Brittanica Brittanica OnlineOnline
WickipediaWickipedia
Personal Personal websiteswebsites
Blogs - Blogs - etcetc
publishingpublishing participatingparticipating
stickinessstickiness syndicatingsyndicating
directoriesdirectories taggingtagging
Source: O’reillySource: O’reilly
Consider these web features:Consider these web features:
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RSSRSS TaggingTagging Social sites Blogs and wikisSocial sites Blogs and wikis Podcasts, webcasts,vodcasts, etcPodcasts, webcasts,vodcasts, etc Specialised search engines: Specialised search engines:
http://crossengine.com http://crossengine.com
WEB 2.0WEB 2.0
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Alert Services
Google NewsGoogle Newsalso – note the personalization features of Google also – note the personalization features of Google and live.com – and live.com – Google's is shown belowGoogle's is shown below
ANZRCANZRC ProquestProquest FactivaFactiva RSS FeedsRSS Feeds BlogsBlogs
TAFE NSW – Sydney Institute, Ultimo College Library