Patent ID: 6338060
Filing Date: 2002-01-08
Classification: G06F,Y10S

Abstract:
A data processing apparatus for extracting a predetermined number of data elements having a high similarity based on an inner product with an inquiry vector from a set of data in a vector form, said data processing apparatus comprising:a database storing a set of data in a vector form; list creation means for creating a list of data such that the data of the database is arranged in a descending order of the intensity of each one component of a vector, respectively; input means for inputting an inquiry vector; score calculation means for adding with respect to each data, for each of the components, a score based on a numerical value given in a descending order to the place of the list for the respective component, and the component of said inquiry vector corresponding to the component of the data with regard to said inner product, and calculating a total score with respect to each data by adding up the scores for all the components; and output means for outputting said predetermined number of data elements on the basis of said total score of each data.