The interwebs!

Understanding

Internet

Searching

What information is

available online?

What is in the Invisible

or Deep Web?

Deep Web* resources may be classified into one or more of the following categories:

• Dynamic content
• Unlinked content
• Private Web
• Contextual Web
• Limited access content
• Scripted content
• Non-HTML/text content
• Pages outside of the HTTP protocol
• More info http://libguides.uta.edu/content.php?pid=22684&sid=2564117#8897074

Search Engines make the web searchable

• Google
• Bing
• Yahoo
• Alta Vista
• etc.

• Google bombing: falsely increse page ranking
• Google Washing: falsely decreasing page rankings

H-index

"The key was focusing not on where you published but on how many times other researchers cited your work. In practice, you take all the papers you've published and rank them by how many times each has been cited. Say paper number one has been cited 10,000 times. Paper number two, 8,000 cites. Paper number 32 has 33 citations, but number 33 has received just 28. You've published 32 papers with more than 32 citations—your h-index is 32.

Or to put it more technically, the h-index is the number n of a researcher's papers that have been cited by other papers at least n times. High numbers = important science = important scientist.

Thank you for your attention!

Any Questions?

Search for

"Digital Humanities"

Twitter

Tumblr

Worldcat

UTA Library

Google Scholar

Google

Bing

Internet Archive/Wayback Machine

What are you searching when you search the Internet?

You are searching the Surface Web - the part of the World Wide Web that is INDEXED by search engines

You are NOT searching the Invisible Web (aka Deep Web or Hidden Web) or the Dark Internet*

Keep in mind: Digital ≠ Online

* Dark internet refers to computers that cannot be reached by the WWW)

http://mind42.com/pub/mindmap?mid=1e245708-d02c-4a36-9c01-a49ff2f8171f&rel=url

* http://en.wikipedia.org/wiki/Deep_web

accessed 2/21/2012

Natural Language

Searching

How is the Surface

Web made searchable ?

Sample search:

What does digital humanities have to do with history?

The difference between these search engines is what they index and how they rank what they index.

What they index:

• Web page text (do they index all text, or are certain words (such as the, and excluded)
• Metatags: tags added by the web page creater that says how a page should be indexed.

boolean

operators

Indexing the WWW

• And
• Or
• Not

Each search engine sends out spiders* to crawl the web.

Spiders: look at web pages, index key words and meta tags* and decide what to priotize in search, based on frequency and location of keywords.

Used in literal searching, such as:

"digital humanities" AND history

* spiders= software

Different search engines algorithms prioritize differently.

* meta tags = tags assigned by webpage owner

http://www.internettutorials.net/boolean.asp

Searching

Google

Gaming Google

via http://en.wikipedia.org/wiki/H-index

via http://en.wikipedia.org/wiki/Google_bomb

http://www.wired.com/culture/geekipedia/magazine/17-06/mf_impactfactor

via http://mashable.com/2011/11/24/google-search-infographic/