Fraudulent page detection
US8806622B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2009 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Jul 28, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/212
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of determining whether a page is a fraudulent page comprising the steps of: extracting a plurality of tokens from the page, (403) for each token, calculating a token probability being the probability of the token being in a fraudulent page (404), using the calculated token probabilities, calculating a page probability being the probability of the page being a fraudulent page (405), wherein the token probability of a token being in a fraudulent page is calculated based on a number of fraudulent pages and a number of non-fraudulent pages which contain the token from a training corpus of fraudulent pages and non-fraudulent pages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.