Answer Set Programming for the Semantic Web. Building the Next-Generation Internet

The difference is profound. The three following situations are ones in which customers and programmers might magnify their differences and create a hostile XP: · The customers are not quite sure what they want. The programmers insist, "Tell us what to build," so the customers say something The programmers build exactly that and then ask, "Tell us what to build next." In this situation, neither group is really sure what is the correct thing build next. The programmers escape the pressure of the situation by shifting the burden over to the customers (which they are allowed to do). The customer experiences the situation as unsettling: there is little time to reflect, examine, experiment, and sort out options. As a result, the customer's instructions over succeeding iterations conflict with each other ("Build this... No, now build this... No, try building that, now"). Both parties become depressed about the lack of clear progress. · The programmers do whatever the customer says, even if they are sure it is a silly idea ...»