A body of legend which may be based upon certain objectively true information.

Or the service could "target" specific individuals "based upon information received from other Government agencies or intelligence sources."

Please note that this paragraph's information is based upon speculation and information found throughout the stories.

"I wouldn't have felt comfortable choosing a school based entirely upon information found on its home page," he says.

The message from our competitors is that effectiveness is based upon (but not limited to) hard information about performance.

The e-mail claims to be based upon information from Microsoft and Norton.

The disease entry is based upon medical information available through the date at the end of the topic.

Many of these stories later turned out to have been based upon faulty information.

Conjecture is the formation of a judgment based upon incomplete information.

Basing access rights upon scientific information is fundamental to good management, so I do not believe this is very responsible.