Image Number 4 for United States Patent #8442987.
An example of a method includes identifying a formulated query and at least one past query associated with an input query. The method also includes determining a first similarity score between the input query and the formulated query. Further, the method includes updating the first similarity score based on a second similarity score between the input query and the at least one past query, and based on a third similarity score between the formulated query and the at least one past query. Moreover, the method includes extracting one or more contents based on the formulated query if updated first similarity score is greater than a first threshold. The method also includes providing the one or more contents.