US10467256B2
patent
One general aspect is described that includes a computer implemented method for generating a pattern graph . The method may include accessing data pertaining to a corpus of web documents. The data may include a plurality of query document pairs. Themethod may also include identifying at least one query pattern in the plurality of query -document pairs and the query pattern may be associated with a portion of web documents in the corpus. The method may also include identifying a plurality of sub -phrases in the at least one query pattern , determining , in the corpus ofweb docu ments , a plurality ofother query patterns that include at least one of the plurality of sub -phrases, and assigning an clas sifier to the at least one query pattern and each of the plurality of other query patterns that include at least one of the sub - phrases . 20 Claims, 8 Drawing Sheets
16 claims. 98,872 characters of text.