URL is the URL for mixi access point of the group. If URL is friend's, get
his/her diaries as article. If community's, get its BBSes. If diary's or
BBS's, get its comments.
URL is the URL for mixi access point of the group. If URL is friend's, get
his/her diaries as article. If community's, get its BBSes. If diary's or
BBS's, get its comments.