INFORMATION PROCESSOR, PROCESSING METHOD IN INFORMATION PROCESSOR, AND PROGRAM FOR MAKING COMPUTER PERFORM PROCESSING IN INFORMATION PROCESSOR

摘要

PROBLEM TO BE SOLVED: To provide an "information processor" capable of outputting a plurality of messages such that a user can easily acquire a series of information when the series of information is represented by the plurality of messages represented by a plurality of pieces of message information from the same sender.SOLUTION: An information processor has: retrieval means (S13) retrieving message information provided from a designated sender from a plurality of pieces of message information provided in a prescribed time range; determination means (S15) determining a situation of presence/absence of a predetermined determination character string as a character string meaning continuity with another message in a message represented by each of the plurality of pieces of message information related to a retrieval result thereof; message extraction means (S18) extracting a plurality of messages constituting a series of messages on the basis of a determination result thereof; and output message generation means (S19) generating an output message by use of the plurality of extracted messages.