1. A system for determining information trustworthiness, the system comprising: at least one terminal; and at least one ratings server, wherein, the at least one terminal and the at least one rating server are in communication via at least one network to: (a) receive a trust rating request for a website URL from a user, (b) generate the trust rating for the a website URL or another website URL based on collaborative filtering with user profile data and trust ratings provided by the user, wherein the user's provided trust rating for one or more website URLs is used to modify the trust rating for the requested website URL and at least one stored logical relationship between the requested website URL and at least one other website URL, wherein the logical relationship comprises at least one of the following: logically consistent, logically inconsistent and logically identical, and wherein if the logical relationship is logically inconsistent and the user trusts the at least one other website URL, then the generated trust rating will be lower than if the user did not trust the at least one other website URL; and (c) display the generated trust rating to the user.
1. A system for determining information trustworthiness, the system comprising: at least one terminal; and at least one ratings server, wherein, the at least one terminal and the at least one rating server are in communication via at least one network to: (a) receive a trust rating request for a website URL from a user, (b) generate the trust rating for the a website URL or another website URL based on collaborative filtering with user profile data and trust ratings provided by the user, wherein the user's provided trust rating for one or more website URLs is used to modify the trust rating for the requested website URL and at least one stored logical relationship between the requested website URL and at least one other website URL, wherein the logical relationship comprises at least one of the following: logically consistent, logically inconsistent and logically identical, and wherein if the logical relationship is logically inconsistent and the user trusts the at least one other website URL, then the generated trust rating will be lower than if the user did not trust the at least one other website URL; and (c) display the generated trust rating to the user. 13. The system of claim 1 , wherein the user's provided tag for the information unit is used to at least partially determine a second trust rating for the information unit for another user.