8. The method according to claim 7 , wherein the determination of semantically closeness of the page content and the seed comprises mapping the page content and the seed to vectors V[page] and V[seed], respectively, and measuring the degree of relatedness between said two vectors by a similarity function mathematically defined as a mapping of said two vectors to a real number.
12. The method according to claim 8 , wherein the similarity function similarity is calculated by normalizing each of the vectors by its norm value, denoted respectively as Vn[page] and Vn[seed], and subsequently calculating an inner product of Vn[page] and Vn[seed].