The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2010
Filed:
Aug. 13, 2004
Raymond P. Stata, Palo Alto, CA (US);
Patrick David Hunt, Palo Alto, CA (US);
Raymond P. Stata, Palo Alto, CA (US);
Patrick David Hunt, Palo Alto, CA (US);
Yahoo! Inc., Sunnyvale, CA (US);
Abstract
Systems and methods for automatically updating queries on a data store, such as a personal content database (PCDB), are provided. A query engine runs queries against two indexes: a first index that represents a previous state of documents and a second index that represents a current state of documents. The query is run twice and a delta analysis is performed, i.e., a determination is made as to which documents have changed in some respect from the previous state to the current state, and a view or a count associated with at least one query changes in accordance with the delta analysis. Transactions may be batched dynamically by a transaction manager until an optimal number of documents have changed or a certain amount of time has passed prior to re-running the query and performing the delta analysis.