PROVIDING AN ON-LINE COMPUTER DATABASE IN THE FIELD OF NETWORKS, RINGS OF LINKED HYPER-MEDIA FILES, WEB SITES OF RELATED SUBJECT MATTER, AND CATEGORIZED WEB SITE ADDRESSES; COMPUTER SERVICES, NAMELY, PROVIDING ON-LINE MAGAZINES, NEWSPAPERS, AND JOURNAL REPORTS IN THE FIELD OF THE INTERNET, INTRANETS, NETWORKS, WEB SITES OF RELATED SUBJECT MATTER, AND CATEGORIZED WEB SITE ADDRESSES, EACH OFFERED OVER A GLOBAL COMMUNICATION NETWORK; PROVIDING INFORMATION IN THE FIELD OF NETWORKS, NETWORK INDEXI...