1. A computer-implemented method for analyzing search query relationships, the method comprising: receiving, over an electronic network, log data relating to a plurality of search queries received from users; generating, with at least one processor, a click graph representing a relationship between at least one pair of the plurality of queries; identifying, with the at least one processor, temporal similarities between the at least one pair of the plurality of queries; and evaluating the at least one pair of queries based on the generated click graph and the identified temporal similarities to determine whether the at least one pair of queries are related.