US8719293B2
patent
A server system accesses, respectively, historical query infor mation for queries that have search results corresponding to classification data of the first information items. Initially, the
3 claims. 105,752 characters of text.
patent
A server system accesses, respectively, historical query infor mation for queries that have search results corresponding to classification data of the first information items. Initially, the
3 claims. 105,752 characters of text.