Collaboration for one relies on interaction between people, whether intentional, tangential, or incidental, and sometime a combination of any of these.

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The next step, according to Nick Jennings of the University of Southampton, who is one of the project's leaders, is to examine more closely the interaction between people and agents.

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Imagine if you had a video camera in every bar and you could observe every interaction between two people and see the success rate of that interaction.

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Now we can look at the actual patterns of interaction, of exchange between people.

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An IPCC spokesman said it would examine the stopping of the Seat, the interaction between officers and the people in the car and the following attempted police pursuit.

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He added: "There appears to have been some interaction between the boat and the group of people in the water, which has resulted in a number of serious injuries".

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