The Crucial Problem of the NSS in the Ecommerce

Electronic negotiations are becoming an important research subject in the area of electronic commerce. Decision analysis and especially multiattributive utility theory play an important role for the support of electronic negotiations. Understanding and representing a user´s preferences accurately is a crucial element of most decision support systems, since users have a bounded rationality. Therefore, there are a number of challenges that NSS has to meet. This paper discusses the challenges and evaluates different methods for preference elicitation with respect to these challenges. To choice the appropriate preferences elicitation method and to guess the opponent´s preferences can overcome the specific challenges of preference elicitation in NSS which will be suitable for dynamic ecommerce.