An implementation of a group buying support system based on buyers´ preference

Group buying is seen as an effective form of electronic commerce and a promising field for applying agent technologies. When buyers cooperate with each other, a seller can discount the price of goods. In existing group buying sites, each buyer´s preference may not be reflected effectively. Furthermore, when there are several identical goods in the same category, buyers are often distributed into several different coalitions. Each buyer cannot expect much discount. We propose a decision support system for group buying based on buyers´ preferences. In our system, each buyer´s preference is reflected effectively by integrating member preferences by using AHP.