Training a search query intent classifier using wiki article titles and a search click log

A method comprising:

• determining a category to which a first wiki article is assigned, the first wiki article including a first title associated with a designated query intent and a first body, wherein the first wiki article is included in an initial key term set;
• retrieving a plurality of second wiki articles that are assigned to the category;
• extracting a plurality of second titles of the plurality of respective second wiki articles, wherein each of the second wiki articles includes a different title and a different body, and wherein the initial key term set includes the first title and the plurality of second titles;
• correlating each of the first title and the plurality of second titles with at least one respective clicked uniform resource identifier based on a search click log, wherein the search click log comprises a record of historical search queries provided by users and documents clicked by the users from search results retrieved in response to the search queries, and wherein each of the documents has a respective uniform resource identifier;
• generating an expanded key term set to include the initial key term set expanded to further include search terms correlated to the at least one respective clicked uniform resource identifier;
• training a search query intent classifier to classify search queries with respect to the designated query intent based on the expanded key term set;
• obtaining the designated query intent from a subsequent search query;
• and
• in response to obtaining the subsequent search query corresponding to the designated query intent, controlling the trained search query intent classifier to select advertisement data based on the expanded key term set.

A system comprising:

• a processor coupled to memory and configured to obtain a designated query intent from a search query;
• wherein the processor is configured to control an extraction module to:
• in response to obtaining the designated query intent from the search query, obtain a second wiki article corresponding to the designated query intent, wherein the second wiki article includes a second title, a second body, and a plurality of respective links;
• obtain a plurality of first wiki articles that correspond to the plurality of respective links included in the second wiki article;
• configured to extract a plurality of first titles of the plurality of respective first wiki articles and a second title of the second wiki article, wherein each of the first wiki articles has a different title and a different body;
• and
• generate an initial key term including the plurality of first titles and the second title;
• wherein the processor is configured to control a correlation module to correlate each of the plurality of first titles and the second title with at least one respective clicked uniform resource identifier using a search click log, wherein the search click log comprises a record of historical search queries provided by users and documents clicked by the users from search results retrieved in response to the historical search queries, and wherein each of the documents has a respective uniform resource identifier;
• wherein the processor is configured to further control the expansion module to generate an expanded key term set to include the initial key term set expanded to include search terms correlated to the at least one respective clicked uniform resource identifier;
• wherein the processor is configured to control a training module to:
• train a search query intent classifier to classify search queries with respect to the designated query intent based on the expanded key term set;
• and
• control the trained search query intent classifier to select advertisement data based on the expanded key term set for a subsequent search query determined to correspond to the designated query intent.

A system comprising:

• a determination module configured to determine a category to which a first wiki article is assigned, the first wiki article including a first title associated with a designated query intent and a first body, wherein the first wiki article is included in an initial key term set;
• an extraction module configured to:
• retrieve a plurality of second wiki articles that are assigned to the category,
• extract a plurality of second titles of the plurality of respective second wiki articles, and
• obtain an initial key term set including the first title and the plurality of second titles wherein each of the second wiki articles includes a different title and a different body, and wherein the initial key term set includes the first title and the plurality of second titles;
• a correlation module configured to correlate each of the first title and the plurality of second titles with at least one respective clicked uniform resource identifier based on a search click log, wherein the search click log comprises a record of historical search queries provided by users and documents clicked by the users from search results retrieved in response to the historical search queries, and wherein each of the documents has a respective uniform resource identifier;
• an expansion module configured to generate an expanded key term set to include the initial key term set expanded to further include search terms correlated to the at least one respective clicked uniform resource identifier;
• a training module configured to:
• train a search query intent classifier to classify search queries with respect to the designated query intent based on the expanded key term set;
• and
• control the trained search query intent classifier to select advertisement data based on the expanded key term set for a subsequent search query determined to correspond to the designated query intent.