User guide method, guide retrieval device, and guide retrieval method

A guide retrieval device, comprising:

• a processor having an acquisition section, a chronological correlation determination section, and a retrieval section, wherein
• the acquisition section acquires distribution information of target events within a specified area that has been generated a plurality of different times;
• the chronological correlation determination section determines chronological correlations based on time change of patterns of distribution of the target events and/or continuity of trend of movement of a distribution pattern, using distribution information of target events within a specified area that has been acquired by the acquisition section;
• and
• the retrieval section retrieves guide information from a chronological correlation database that was obtained using determination results for the chronological correlation.

A guide retrieval method, comprising:

• acquiring distribution information of target events in a specified position range that have been acquired in time series;
• determining chronological correlations of distribution information of the target events that have been acquired;
• and
• retrieving guide information from a chronological correlation database that was obtained using determination results for the chronological correlations.