International Business Machines Corporation

Ewan Victor Withers

Mark Allman

John Anthony Davies

Brian John Venn

Andrew Paul Waters

Gerald Reilly

In a messaging system, pruning messages from a data store according to similarity of topics and the number of requests for the individual messages and the time intervals between requests of messages of similar topic.

Pruning method

Disclosed is a method, apparatus and computer program for sampling a data feed of messages at regular time intervals. A current sample point is identified. A time interval is also identified which is defined by the current sample point and at least one of the previous sample point and the subsequent sample point. At least one message is selected to associate with the current sample point. The selection is made from the identified time interval. The selected message(s) is then associated with the current sample point.

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Bishops Waltham, United Kingdom

Ewan Victor Withers