There have been many attempts to study the content of the web, either through human or automatic agents. Five different previously used web survey methodologies are described and ...
A large amount of research, technical and professional documents are available today in digital formats. Digital libraries are created to facilitate search and retrieval of inform...
Estimating the rate of Web page updates helps in improving the Web crawler’s scheduling policy. But, most of the Web sources are autonomous and updated independently. Clients li...
The web crawler space is often delimited into two general areas: full-web crawling and focused crawling. We present netSifter, a crawler system which integrates features from thes...
—We present an intelligent agent crawler designed to collect user-generated content in Second Life and related virtual worlds. The agents navigate autonomously through the world ...