 12-21-2003, 02:21 PM | #1 |
| Administrator Join Date: Dec 2003 Posts: 134 | The Changing nature of Search Engines
Quote: | Search engines are the browser-oriented programs, which help the user to find web pages or documents that are similar to the key words supplied by the user. Basically, the user can find any Internet location by using key words. After September eleven attacks in USA, most of the companies are much more concerned about the security, because of the terrorist threats; face recognition software has been used in all the major airports in the world to identify terrorists. Video cameras at the immigration check and the main doors scan the visitors face and looks for the land marks (such as cheeks, forehead, etc.), search process will be carried out basing on these land marks, if these land marks match the existing records (images) in database then the inspectors will be alarmed. Similarly, many companies in developed countries started utilizing voice recognition software; more over it has become the most common feature in mobile phones. So far finding documents or web pages through search engines are limited to keywords. What if, the search engines are programmed to find the documents or images basing on the picture or voice instead of key words. Of course, it is possible to implement, but there are specific advantages and disadvantages. At present, many number of search engines are providing special features like image search, group search, directory, news, etc., to increase the accuracy of search, but all these are limited to keywords. Through image search a user can find the image file names matching the key words supplied by the user, so, the user is limited to find the image files matching the key words, which is not truly an image search. With the image input, the user can narrow down the search process, for example, the user wanted to find “world maps” on the web, then the user might paste the sample image, then the search engine returns all the image files matching the user’s input.... | Read more: http://physicspost.com/articles.php?articleId=154 |
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