In recent Japanese news Yahoo has launched a full fledged investigation to pinpoint who, what, where, when, and how students were able to cheat during a college entrance examination earlier in the year at Kyoto University. The Japanese times has a great article explaining the incident The Japanese times article.
The alleged cheater is believed to have posted questions from various tests on Yahoo with a mobile phone while taking the exams. A portal is a discussion forum where anyone can ask or discuss questions on any topic sort of like a chat room. Portals connect people to the information thier seeking with the people who know it; A portal normally features a search engine which provides a pathway to useful content from several independent sources. It normally features a search engine which provides a pathway to other content. that is connected to the searched subject, anyone can easily post links or start discussions which all in all allows users a unrestricted experience where as a traditional website has one author.