Abstract: DOLTRI Agent is an Internet based information retrieval system. DOLTRI Agent discovers and gathers training resource information from Internet information space for courseware design in distance and open learning（DOL）. By adopting the multi agent architecture, DOLTRI Agent intelligently, autonomously, and collaboratively retrieves, filters, and fuses var ious information sources （i.e., database, WWW server, etc.） on the Internet according to the user’s need and the task model, and maintains and manages the training resource information discovered and gathered on Internet. Here discussed is the way of solution used in DOLTRI Agent system for the collaboration, interoperability, and executing environment.