Today, Chris Nolan paid us a visit in our class. He mainly talked about the differences about the variety of search engines at our availability through the internet. By seeing so many of them everywhere, it's no wonder people get confused about the place where they should be looking for the information they need.
Before the class we had today, my mind could be represented as the picture shown. Nothing made sense! The only place I would look for everything was Google.
In this lecture I learned many different things, especially the difference between the search engines which categorize their information based on popularity and on scholarly sources.
Most of the search engines, that are not scholarly, are usually based on the frequency the key words you typed in appear in the page, links it has, reliability, and popularity. Another aspect that the search engines work by is the fact that they eliminate words such as: I, and, or, the, from what you type in the search bar.
I learned what makes scholarly search engines different from the normal search engines we usually use on our everyday life. But what really surprised me was the fact the one key factor of the order in which the sources are presented is the order of the words put in the search bar. I always thought that no matter what order you typed in the words, the result would be the same. Apparently it is not so.
Thanks Chris Nolan for a very informative lecture!
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