7. The method of claim 4 , wherein matching target concepts to relevant offer concepts comprises: identifying concepts representing unique combinations of category names and attribute values within the taxonomy using the campaign creation server system; and predicting keywords that are relevant to the identified concepts using the campaign creation server system.
7. The method of claim 4 , wherein matching target concepts to relevant offer concepts comprises: identifying concepts representing unique combinations of category names and attribute values within the taxonomy using the campaign creation server system; and predicting keywords that are relevant to the identified concepts using the campaign creation server system. 8. The method of claim 7 , wherein: identifying concepts representing unique combinations of category names and attribute values comprises: identifying surface concepts using unique combinations of category names and attribute values; and identifying deep concepts to which at least one surface concept is subordinate; and predicting keywords that are relevant to the identified concepts comprises predicting keywords that are relevant to the identified deep concepts.