Info Guru SSD – Summer Tech Institute July 12 & 13, 2010 Facilitator: Kathy Vetter kvetter@sau56.org www.somersworthhslmc.wikispaces.com Info Guru Search Engines Search tips and tools Website evaluation Organizing information Browsers Read web files differently Have different add-ons and options Browsers Internet Explorer Firefox Safari Google Chrome Search Engines and Subject Directories Individual Search Engines Meta-Search Engines Subject Directories Individual Search Engines “Spiders” or “robots” scan web pages and index words. Rank pages Frequency of keywords and phrases Popularity (# links pointing to the sites) Individual Search Engines Google Yahoo Bing Exalead How does Google Work? http://www.youtube.com/watch?v=BNHR6IQJGZs&fea ture=related Individual Search Engines Huge amount of web files are indexed so chances of finding something obscure is good . More relevant pages often moved to the top of the result list. Difficult to weed through huge amount of results Good search strategy skills needed. Meta-Search Engines Do not create their own databases “Crawl” other individual search engines and compile results Meta-Search Engines Yippy.com Dogpile.com Monstercrawler.com Mamma.com For a List of metasearch engines visit http://www.pandia.com/powersearch/ Meta-Search Engines Fast results Get an overview of several search engine results. May show results from search engines you don’t normally use. Limited results Many don’t query Google which has largest database. Search Engine Links Recommended Search Engines – U.C. Berkeley http://www.lib.berkeley.edu/TeachingLib/Guides/ Internet/SearchEngines.html Search Poster – Joyce Valenza, Springfield Township High School Librarian http://springfieldlibrary.wikispaces.com/Search+P oster Subject Directories, Portals, Vortals, & Databases Maintained by humans Content is selected for inclusion by humans Content usually annotated with descriptions Subject Directories Yahoo http://dir.yahoo.com/?skw=yahoo+subject+directory MSN http://specials.msn.com/ Pandia http://www.pandia.com/plus/ ipl http://ipl.org The Open Directory http://www.dmoz.org/ Beaucoup http://www.beaucoup.com/ For a list of directories go to http://www.bestdirs.com/sitemap.php It’s a little overwhelming - try clicking on Popular Directories Portals (gateways) Academic Information Digital Librarian Infomine Internet Public Library Lakes Region NH http://www.lakesregion-nh.com/ www.virtual Library Vortals (subject specific) Educator's Reference Desk http://www.eduref.org/ Expedia Encyclopedia of Life http://www.eol.org/ Internet Movie Database http://us.imdb.com Kelley Blue Book http://www.kbb.com Monster Motley Fool http://www.fool.com MySimon Voice of the Shuttle http://vos.ucsb.edu WebMD http://www.webmd.com Roller Coaster Database http://www.rcdb.com/ Directories, Databases, Portals and Vortals Organization of material may be easier to navigate/search. Dead links Human touch- higher quality results. Could be outdated Points to resources on the Invisible Web e-commerce bias? Limited results Search Tips Advanced Search Boolean Operators Google tips Advanced Search Most search engines and databases have options for advanced search. Use them! Boolean Operators AND, OR, NOT +- Boolean Operators Strawberry OR Vanilla OR Chocolate Boolean Operators Strawberry AND Vanilla AND Chocolate Boolean Operators Strawberry AND Vanilla NOT Chocolate Boolean Operators Boolean Searching http://www.ithacalibrary.com/sp/s ubjects/guide.php?subject=boolean Boolify http://www.boolify.org Boolean Searching Salamanders not newt Colleges or Universities Safari not apple Bass not music Martin luther not king More Search Tips Parenthesis “to be or not to be” Stop words - and or not is the Use * to truncate Control F or Edit>Find Link: Site: Define: Google Tips More Google tips @ http://springfieldlibrary.wikispaces .com/Google+Search+Options http://web.appstorm.net/roundups /tips-tricks/25-awesome-googlesearch-tips-and-tricks Invisible Web Information in database files that are not indexed by search engines. Most subscription databases Google Scholar is able to search some of the invisible web. Invisible Web Use subject directories like Internet Public Library Use “database” as a search term Invisible Web tools http://incywincy.com http://oalster.worldcat.org Open archive digital resources http://www.somersworthhslmc.wiki spaces.com/Research+Databases Website Evaluation Using CARRDSS to Evaluate Sources Credibility/Authority Accuracy Reliability Relevance Date Sources behind the text Scope Website Evaluation Using CARRDSS to Evaluate Sources Credibility/Authority Who wrote/created it? What are the author(s) credentials? Education? Area of expertise? Look for - about us, contact us, FAQ, site map. Is there a way to contact the creator of the website? Do other sites link to this site. Try doing a Google search preceding the URL with link: Example link:http://www.eol.org) Website Evaluation Using CARRDSS to Evaluate Sources Accuracy – Based on your knowledge, is the information accurate? Can you verify the information in other sources? Do you notice any spelling or grammatical errors? Website Evaluation Using CARRDSS to Evaluate Sources Reliability/objectivityWhat is the PURPOSE of the publication? Does it try to persuade, sell, inform? Does it present a particular point of view or bias? Website Evaluation Using CARRDSS to Evaluate Sources Relevance Does the information directly support my hypothesis/thesis or help to answer my question? Website Evaluation Using CARRDSS to Evaluate Sources Date (currency) When was the website last created? When was it updated or revised? Depending on the subject matter maybe it doesn’t matter. Website Evaluation Using CARRDSS to Evaluate Sources Sources behind the text. What sources did the author rely on? Are the sources reliable and credible? Tip: Try linking to or searching for sources listed. Website Evaluation Sites to Evaluate http://www.weathergraphics.com/t im/fisher http://nytimes-se.com http://martinlutherking.org More Website Evaluation Tips Paste the URL into the search box of http://www.alexa.com and click “get details” Use the Wayback Machine to see what the website looked like in the past. http://web.archive.org/collections/web.html Look up the authors name in a search engine. Don’t forget to use quotes, i.e. “John Smith” Also try “John * Smith” - the * will stand for the middle name or initial. Organizing Web Resources Social Bookmarking Diigo.com Delicious.com Wikis pbworks wikispaces Credits "Finding Information on the Internet." The Library-University of California, Berkeley. Web. 11 July 2010. <http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/FindInf o.html>. Hanes-Ramoms, Melanie. "Bare Bones 101: A Basic Tutorial on Searching the Web." University of South Carolina. Web. 11 July 2010. <http://www.sc.edu/beaufort/library/pages/bones/bones.shtml>. Henderson, John, and Jennifer Strickland. "Research Guides - Boolean Logic." Ithica College - Research Guides-Boolean Logic. Ithica College Library. Web. 11 July 2010. <http://www.ithacalibrary.com/sp/subjects/guide.php?subject=bool ean>. Valenza, Joyce Kasman., Emily Valenza, and Joyce Kasman. Valenza. Power Tools Recharged: 125+ Essential Forms and Presentations for Your School Library Information Program. Chicago: American Library Association, 2004. Print.