A tutoring request and fulfillment method and system based on a service-oriented bidding process is disclosed. The system employs a system of user-centric calendars to determine initial combinability of knowledge recipient with knowledge providers. Knowledge providers may bid for or be directly selected for knowledge requests. Out of a plurality of knowledge providers who bid for a request, the system provides open and validated information on the providers that enable the knowledge recipient or their agent to select a provider. Such information may include qualifications, experience, fee or rates, knowledge delivery history, and score or rating of the provider based on a scoring process within the system. The system also makes provision for knowledge delivery as well as for recording knowledge delivery sessions.