Explanation services and request refinement in user friendly semantic-enabled B2C e-marketplaces

This paper presents an approach aimed at fully exploiting semantics of supply/demand descriptions in B2C and C2C e-marketplaces. Distinguishing aspects include logic-based explanation of request results, semantic ranking of matchmaking results, logic-based request refinement. The user interface has been designed and implemented to be immediate and simple, and it requires no knowledge of any logic principle to be fully used. © Springer-Verlag Berlin Heidelberg 2006