1 / 11

Search Engines

Search Engines. Google and Others. How search engines work. What’s the problem with search engines. Results can be manipulated Google personalization – web history SEO – Search engine optimizations Privacy concerns Search results don’t always give you specific enough results

sen
Download Presentation

Search Engines

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Search Engines Google and Others

  2. How search engines work

  3. What’s the problem with search engines • Results can be manipulated • Google personalization – web history • SEO – Search engine optimizations • Privacy concerns • Search results don’t always give you specific enough results • Both Bing and Google usually return WikiPedia entries in the top 10 – Bing does it more often

  4. The problem with Google • Google Web History • Mostly a problem if you are logged into your Google account (or Gmail) • Tailors results based upon your search habits • Can produce bias in searches • You have to opt-out of web history – most students don’t know this • Privacy of your data • Almost all students start searches using Google

  5. Some Alternatives to Google • General Web • DuckDuckGo • Blekko • Dogpile • Specialized • WolframAlpha • Pipl • Blinkx • Healthline • Technorati

  6. General Web • DuckDuckGo.com • Anonymous Searching • Bang searching - !yt 18th century theatre • Allows you to search within a web site • Blekko.com • Narrows down your search on its own • Filters out sites that seem to exist mostly to capture traffic • Dogpile.com • Meta search engine that searches other search engines

  7. More Alternatives • Specialized • WolframAlpha.com • Ask questions, get data and answers • Pipl.com – people search • Blinkx.com – media search • Healthline.com – health search • Technorati.com – blog search

  8. The Deep Web • The part of the internet that is not indexed by the spiders. • May be specialized databases • Not searchable by normal means using spiders

  9. Deep Web assignment • Break out into groups of 3-4 • Find at least three deep web sites that provide information related to your discipline

  10. Deep Web portals • http://infomine.ucr.edu/ • http://vlib.org/ • http://www.intute.ac.uk/ • http://aip.completeplanet.com • http://www.infoplease.com/index.html • http://oedb.org/library/college-basics/research-beyond-google#deep • http://www.baylor.edu/lib/electrres/index.php?id=31361 • http://www.dmoz.org/Computers/Internet/Searching/Search_Engines/Specialized/

  11. Martin Luther King Jr. • Do a Google search for Martin Luther King Jr. • On the first page of results you will see http://www.martinlutherking.org • Go to this site • Is this a credible site? • How do we know? How do our students know?

More Related