PURPOSE: constant sharing user's subscription group, which provides, checks an academic activities academic relevant through connection of group science portal website. ;CONSTITUTION: subscription information database (120) stores the group of subscription information, whereinUser is subscriber. Communication unit (110) passes through communication network and subscription group. It dispatches collector unit (130) and collects scheduling information from order group. The group that the scheduling information that control unit (140) control provides is collected. ;The 2012 of copyright KIPO submissions
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