18. A computerized system for adapting an entity vector, comprising: a converter capable of converting an observed behavior of a user into a behavior vector; a profile adapter capable of modifying a profile vector indicative of the user based on the behavior vector; and an entity adapter capable of modifying an entity vector indicative of an item based on the profile vector or the behavior vector.
18. A computerized system for adapting an entity vector, comprising: a converter capable of converting an observed behavior of a user into a behavior vector; a profile adapter capable of modifying a profile vector indicative of the user based on the behavior vector; and an entity adapter capable of modifying an entity vector indicative of an item based on the profile vector or the behavior vector. 21. The system as defined in claim 18, wherein the computerized system is connected to a network, the network selected from the group consisting of: an intranet, a local area network, and the Internet.