Patent Document ID: 8676568
Application ID: 13868374

Base Claim:
1. An information processing apparatus for obtaining a plurality of messages and extracting one or more messages from the plurality of messages, the information processing apparatus comprising: a memory configured to store first filter information specifying formats of messages and second filter information specifying weights for words or phrases; and a processor configured to perform a procedure including: selecting, from the plurality of messages, messages matching the formats specified by the first filter information as messages to be extracted; calculating an importance level of each message that has not been selected based on the first filter information, based on words or phrases included in said each message and the second filter information; and selecting messages to be extracted, according to calculated importance levels from messages that have not been selected based on the first filter information.

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Claim 5:
5. The information processing apparatus according to claim 1 , wherein: the second filter information includes information specifying at least weights for phrases; and the calculating includes calculating a matching ratio between each phrase included in said each message and a phrase indicated by the second filter information, and calculating the importance level based on the matching ratio and the weights for the phrases specified by the second filter information.