Patent Number: 8,880,504

Title: Tag management device, system and recording medium

Abstract: A tag management device executes a process including adding, to data received, sort-free identifiers that identifies receiving order, and are monotonically increasing or monotonically decreasing numbers or character strings arranged in alphabetical order or a combination thereof; storing, sequentially in a first storing unit associated with a tag that is added to the received data, the identifiers added at the adding; storing, sequentially in a second storing unit in an associated manner, the received data and the identifiers added at the adding; and searching, when a storing unit associated with a tag to be searched for is the first storing unit, data associated with the tag to be searched for by joining, using an inner join or an outer join, information stored in the first storing unit and information stored in the second storing unit.

Inventors: Saeki; Toshiaki (Kawasaki, JP)

Assignee: Fujitsu Limited

International Classification: G06F 17/30 (20060101)

Expiration Date: 2019-11-04 0:00:00