Patent ID: 7401287
Filing Date: 2008-07-15
Classification: G06F

Abstract:
1. A method for generating link structure information indicating a link structure formed by web documents, comprising: (a) collecting link information indicating a link between a first web document and a second web document by repeating a process for detecting a link description in the first web document and a retrieval process for retrieving the second web document at a link destination indicated in the link description from a web server; (b) detecting redirection from the second web document on a link destination indicated in the link description in a web document to a third web document during the retrieval process; (c) generating, for each redirection detected in step (b), virtual link information indicating a link from the first web document including a link description having, as the link destination, the web document of the source of the redirection directly to the third web document of the destination of the redirection; and (d) generating link structure information indicating a link structure among web documents based on link information collected in step (a) and the virtual link information generated in step (c), generating image data representing the generated data structure information, and outputting the generated image data, wherein the link information and the virtual link information are displayed in different manners from each other in the generated image data.