6. A computer implemented method comprising: storing, at a network entity, a first taxonomy associated with at least one content publisher, for classifying content for use in delivering advertisements from said network entity, said first taxonomy comprising a plurality of nodes arranged in at least one hierarchical structure, said plurality of nodes corresponding to a plurality of categories associated with said content; storing, at said network entity, a second taxonomy associated with at least one advertiser entity, for classifying advertisements delivered from said network entity, said second taxonomy comprising a plurality of nodes arranged in at least one hierarchical structure, said plurality of nodes corresponding to a plurality of categories associated with said advertisements; associating, using a computer, each of the categories of the nodes of the first taxonomy with a plurality of content themes; generating mapping information, in a computer, correlating a node of said first taxonomy to a plurality of nodes of said second taxonomy, wherein a first category corresponding to said node of said first taxonomy is related to a plurality of second categories corresponding to said nodes of said second taxonomy based on a logical association between content themes of said first category and said second categories.
6. A computer implemented method comprising: storing, at a network entity, a first taxonomy associated with at least one content publisher, for classifying content for use in delivering advertisements from said network entity, said first taxonomy comprising a plurality of nodes arranged in at least one hierarchical structure, said plurality of nodes corresponding to a plurality of categories associated with said content; storing, at said network entity, a second taxonomy associated with at least one advertiser entity, for classifying advertisements delivered from said network entity, said second taxonomy comprising a plurality of nodes arranged in at least one hierarchical structure, said plurality of nodes corresponding to a plurality of categories associated with said advertisements; associating, using a computer, each of the categories of the nodes of the first taxonomy with a plurality of content themes; generating mapping information, in a computer, correlating a node of said first taxonomy to a plurality of nodes of said second taxonomy, wherein a first category corresponding to said node of said first taxonomy is related to a plurality of second categories corresponding to said nodes of said second taxonomy based on a logical association between content themes of said first category and said second categories. 9. The computer implemented method according to claim 6 , further comprising: appending said content and said associated categories to current data stored within said second taxonomy.