Method and apparatus for evaluating trust and transitivity of trust of online services
US7249380B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 5, 2003 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0185
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A W3 Trust Model is described for evaluating trust and transitivity of trust of online services. By introducing a set of trust attributes for each web document, the W3 Trust Model combines a vertically trusted public key infrastructure with a horizontal referral web classification. It provides a mechanism to assess both the trust and the transitivity of trust of web contents in a heterogeneous environment. The trust attributes are categorized in three categories: a first category which relates to contents of the web document, a second category which relates to owner of the web document, and a third category which relates to relationships of the web document and certificate authorities. The method includes calculating a P value representing a standalone page trust assessment of the target web document based on trust attribute values in the first category, a Q value representing a standalone page trust assessment of the target web document based on trust attribute values in the second and third categories, and an S value representing a subordinate node assessment based on a total trust value and a relevance value R of each of a plurality of other web documents linked to the target we…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.