List of Articles الگوریتمهای گروهبندی Open Access Article Abstract Page Full-Text 1 - A New Approach to Extract and Utilize Learners Social Relationships through Analyzing Forums Structure and Contents Somayeh Ahari Open Access Article Abstract Page Full-Text 2 - Content and structural analysis of online forums in order to extract users' social relationships and use them in grouping mechanisms. Fatemeh Orojie fataneh taghiyareh