When the user makes an application data entry, such as a calendar entry for a meeting with a customer, the mashup uses rules and data patterns that have been defined by the user to query other relevant information sources to collect related information about the customer or the meeting, and to cache the collected information on {HEAD ~ the device} for {TAIL ~ the user} 
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When the user makes an application data entry , such as a calendar entry for a meeting with a customer , the mashup uses rules and data patterns that have been defined by the user to query other relevant information sources to collect related information about the customer or the meeting , and to cache the collected information on { HEAD ~ the device } for { TAIL ~ the user }
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