Based on the defined searching space for the probability in regard to {TAIL ~ position}, location, and time, it can be seen, for example, that the client C 400 penetrates the searching space and that there is a high probability for a call for {HEAD ~ help} 
Based on the defined searching space for the probability in regard to { TAIL ~ position } , location , and time , it can be seen , for example , that the client C 400 penetrates the searching space and that there is a high probability for a call for { HEAD ~ help }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD