Methods and systems are provided for leveraging markup language data applied to text or data for providing helpful actions on certain types of text or data such as names, addresses, dates, stock symbols, book titles, etc. As text or data is entered into a document, selected portions of the text or data,...http://www.google.com.hk/patents/US20040268237?utm_source=gb-gplus-share專利 US20040268237 - Leveraging markup language data for semantically labeling text strings and data and for providing actions based on semantically labeled text strings and data