A system for displaying, on a computer screen, information concerning the interrelationships of documents. A system employing the present invention also allows for the efficient research of documents that cite a document shown on the computer screen. In one embodiment, the present invention involves...http://www.google.com.tw/patents/US8032820?utm_source=gb-gplus-share專利 US8032820 - Efficiently displaying information about the interrelationships between documents
