| 摘要 |
FIELD: information technology. ^ SUBSTANCE: in accordance with certain versions, requests to collect structured data from a web page and to subscribe to that structured data are received. This structured data is stored in a data store to allow offline use of the structured data by the user. In accordance with other versions, a computing device displays multiple links, each of which identifies one of multiple web pages. Additionally, the multiple pages include structured data. The display of these multiple links is altered as the computing device detects changes to the structured data in the web pages. In accordance with other versions, a web page includes structured data that has been subscribed to. The computing device detects changes to the web page, and notifies the user of a change to the web page only if the change is a change to the structured data and not a change to other parts of the web page. ^ EFFECT: high efficiency of notifying users of changes to web pages. ^ 20 cl, 9 dwg |
