Web crawler scheduler that utilizes sitemaps from websites
US9355177B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2015 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Jan 27, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/951
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for scheduling documents for crawling are disclosed in which sitemap information is updated for a first website identified by a sitemap by downloading updated sitemap information for the first website and scheduling documents for crawling in accordance with the updated sitemap information for the first website. The sitemap information includes one or more sitemap indexes, where each respective sitemap index in the one or more sitemap indices includes a list of URLs corresponding to documents stored at a corresponding website in a plurality of websites, the plurality of websites including the first website, and each sitemap index in the one or more sitemap indexes includes information identifying one or more of: a last modification date of a URL in the list of URLs, a change frequency of a document specified by the URL, a document title, an authority of the document, and a priority of the document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.