A method of collecting learning materials for informal learning may include detecting an addition of an item to a curation. The method may include extracting one or more links in a page referenced by the item. The method may include downloading pages corresponding to the one or more links. The method may include filtering the downloaded pages to generate candidate index pages. The method may also include identifying an appropriate index page from the candidate index pages. The method may further include locating a primary information block in the appropriate index page. The method may also include generating an automated extraction rule configured to direct a system to the primary information block of the appropriate index page.