Q2. How are the short term deadlines calculated?
Since deadlines are short the number of messages exchanged to reach a deal will be small Consequently the system utility will be low and the cost adjusted utility will be highShort term deadlines are obtained by sampling a pair of values for tcmax t s max between a low range of values in this case between ticks of a discrete clock
Q3. what is the effect of a high value of ofa on the system?
The utility to the system will be high when tactics have long deadlines since large numbers of o ers will be exchanged Consequently the agents will gain relatively less cost adjusted utilityThe authors de ne an environment with long term deadlines as one in which the values of tcmax and t s max are sampled within ticks of a discrete clock Note that the authors allow tcmax t s max and t c max t s max Since high values ofa overconstrain the true behaviour of tactics the authors set for both agents
Q4. What is the effect of long term deadlines on the system?
In environments where the deadline for negotiation is large tactics which quickly approach their reservation values will make more deals than tactics which have a slower rate of approach
Q5. Why do the authors have to use a longer thread?
Because the length of the thread is independent of the time deadlines the resource dependent tactics cannot distinguish between short term and long term deadline
Q6. What is the name of the project?
This project has received the support of the DTI$EPSRC Intelligent Systems Integration Programme ISIP project ADEPT Nortel Technology and the Spanish Research project SMASH CICYT number TIC C
Q7. What are the two common tactics used in the experiment?
The authors replaced them with three additional time dependent tactics with f g f g and f g Boulware Boulware and Boulware respectively whose behaviour becomes progressively linear with increasing values for As gure B shows this did indeed reduce the di erences between the client and the serverHowever signi cant di erences remain between the client and the server for tactics which are conciliatory i e Conceder and Thread
Q8. how many times do resource dependent tactics gain utility?
The behaviour dependent tactics also gain relatively high utilities in both cases ranking approximately third and fourth for short and long term deadlines respectively
Q9. What is the reason for the reduction in the intrinsic utility of a tactic?
This reduction is due to tactics that are either insensitive to changes in their environment or have a slow rate of approach to reservation values i e Thread Thread and Boulware respectively see gure
Q10. what is the value of cprice c price gureC?
The execution control in their experimental procedure means that the client always starts the negotiation at t followed by the server at t and so on For the client the value of cprice c price gureC and section