However, knowing that m 1 is very important does not allow us to conclude that m 2 is, since the importance value of m 1 might also stem from Beijing.
we can infer that, considering a microblog m i of M tr and a microblog m j of M te , if the term set of m j contains a large proportion of terms in m i , then V I (m i ) is transferred to V I (m j ) with high confidence.