Although Web 2.0 technologies have been recognized as effective means of conducting group learning activities, a critical and challenging issue of Web 2.0-based learning is the lack of mechanisms for promoting information exchanges and sharing among participating students. To cope with this problem, an intelligent blog system is proposed in this article to assist teachers in conducting group learning activities on the Internet. In this system, a promotion mechanism is provided to encourage the exchanging and sharing of information and learning resources by collecting and analyzing the frequently asked questions and the historical contents selected from relevant discussion forums. On the basis of the experimental results, the system is proven to be able to fulfill the need of the students and the teachers and also very helpful for enhancing students' learning efficacy. (Contains 2 figures and 3 tables.)