Ali Alshowaish. Human nature Babies As we grow, we develop more sophisticated cognitive abilities...
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Transcript of Ali Alshowaish. Human nature Babies As we grow, we develop more sophisticated cognitive abilities...
Human nature Babies As we grow, we develop more sophisticated cognitive
abilities The need to organize Why do we organize? To understand the world around us We organize because we need to retrieve.
The explosion of information. Pre-Internet Post-Internet
Can you control the floods of information? Can you find what you need easily and precisely?
The word # of hits
book 1,020,000,000
Internet 1,490,000,000
YouTube 1,030,000,000
school 944,000,000
Try a word of your choice
1975 2001
Growth of Databases 301 12,417
Producers of Databases
200 3,674
Vendors of Databases
105 2,454
Number of Records 52 million 15 billion
Database Types: 66% text oriented (e. g., bibliographic, full text,
directories). 17% numbered oriented. 12% image or picture oriented. 30% audio or sound oriented. 2% other
Information Centers: Press clippings: 5,000,000 Images:
hardcopy: 1,000,000 digital: 150,000 Microfiche: 7,000,000 Total: 8,000,000
Try this: Go to Google, choose images search Choose three different images Save them in a separate folder, name the folder “images” Try to search that folder using windows search If you want to search for the first image, what words
would you use? Did you retrieve anything?
Search again for Title, author, topics Did you retrieve anything? compare the first situation with the second
situation. Tell me what do you think?
What does “Recorded Information” means? Recorded information includes more than just
text on papers. Video, audio, images, digital text files (word,
web pages), etc… The broad term that includes all of them is
“Information Recourse”
All information recourses have some basic attributes or properties in common, such as title, creator, type, topic.
These attributes are used to organize information. These attributes can be referred to as “metadata” Metadata needs an information retrieval tool. The tool (i.e. information system) help in
determining the value of an information resource without having to view the resource directly.