Frequent item set tracking

US11620344B2 · kind B2 · utility

Assignee

• HONEYWELL INTERNATIONAL INC. · US

Inventors

• Peng Hui Jiang · Beijing, CN
• Yan Zhang · Auburn Hills, US
• ZhenJun Mei · Morristown, US
• Nan Li · Nanhu, CN
• Muli Liu · Beijing, CN
• Yan Xia · Haines, US
• Xin Zhang · Shanghai, CN
• Yi Sun · Tangxia, CN

Key dates

• Filing date: Mar 4, 2020
• Grant date: Apr 4, 2023
• Expiry date: Aug 17, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G08B29/188
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A new transaction set is compared to a plurality of transaction sets represented in a Compressed Frequent Item Set (CFIS), wherein the CFIS maintains a count for each transaction set represented in the CFIS. When the new transaction set matches a transaction set represented in the CFIS, the count for the matching transaction set in the CFIS is incremented. When the new transaction set does not match any transaction sets represented in the CFIS, the new transaction set is added to the CFIS. If there are intersections between two or more events of the new transaction set and the events of the plurality of transaction sets represented in the CFIS, the count for the transaction sets in the CFIS that intersect with two or more of the events of the new transaction set is incremented.