URL Parser plugin will be responsible for fetching meta information along with 330 characters from the supplied website url.
Query : When does the table get created ? Ans : url_parse_table.php is responsible for creating the table when you upload the php files. A hook has been registered and some initial data is also added.
Query : How do i add data in the table for my web page/ url ? Ans : For example,If the url = http://timesofindia.indiatimes.com/india/Italy-regrets-killing-of-Indian-fishermen/articleshow/11990083.cms and if the text is actually under the tag "div class=Normal" then the shortcode can be used as follows: [url_parse url='http://timesofindia.indiatimes.com/abc/xyz/def/content.cms' tag = 'div class=Normal'] and next time when one uses any URL under the domain 'timesofindia.indiatimes.com' then one need not supply the 'tag' as it will be stored in the database.