A collaborative working system is broader in concept than a collaborative working environment.

America needs a collaborative system where health care professionals are used appropriately and cost effectively.

This informal collaborative system of tag creation and management has been called a folksonomy.

A collaborative filtering system doesn't automatically match content to one's preferences.

For a new item added, the collaborative filtering system would not be able to recommend it until it's rated by a substantial number of users.

We believe, long term, that a collaborative system is going to be a better formula for success.

This era has continued to develop into the 21st century with the expansion of Internet-based collaborative systems.

This is an example of the cold start problem, and is common in collaborative filtering systems.

Several commercial and non-commercial examples are listed in the article on collaborative filtering systems.

The vision that HistoAtlas wants to put forward is the one of a collaborative system.