Patent · US Expired

Relational database system containing a multidimensional hierachical model of interrelated subject categories with recognition capabilities

US5721910A · kind A · utility

172Cited by
9References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1996
Grant dateFeb 24, 1998
Priority date
Expiry dateJun 4, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99945
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present invention is a database and a method of producing that database which can be used to determine the meaning of scientific or technical documents, such as patents and/or technical or scientific publications and/or abstracts of these patents or publications, and to assign the technical documents to one or more scientific or technical categories within a multidimensional hierarchical model which reflects the business, scientific or technical interests of a business, scientific or technical entity or specialty.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.