METHOD, APPARATUS, SYSTEM AND STORAGE MEDIUM HAVING COMPUTER EXECUTABLE INSTRUTIONS FOR DETERMINATION OF A MEASURE OF SIMILARITY AND PROCESSING OF DOCUMENTS

摘要

A method determines a measure of similarity between a first document and a second document, in which a vector space model which takes into account word frequencies and coordinates is determined for the first document and for the second document. A measure of the similarity between the first document and the second document is determined using the vector space model. An apparatus, a computer program product and a storage medium are configured to execute the method.

主权项

1. A method for determining a measure of similarity between a first document and a second document, which comprises the steps of:
determining a vector space model which takes into account word frequencies and coordinates for the first document and for the second document; determining the measure of similarity between the first document and the second document using the vector space model; determining a respective word vector for the first document and for the second document, elements of word vectors indicating whether or not a word occurs in a respective document; determining a respective coordinate vector the first document and for the second document, elements of coordinate vectors indicating coordinates for words which occur together in the first and second documents; and comparing the words which repeatedly occur in both the first and second documents with one another in the respective coordinate vector.