Geographic information system

A geographic information system comprising:

• a map database;
• a condition-input-device for inputting a search condition to search said map database;
• a search device for searching said map database based on the search condition;
• and
• a display device for displaying a result searched by said search device,
• wherein said map database stores object data associated with an object including a type of the object, a date of an occurrence and extinction of the object,
• wherein said object data are stored in descending order of respective occurrence.

A geographic information system comprising:

• a map database;
• a condition-input-device for inputting a search condition to search said map database;
• a search device for searching said map database following the search condition;
• and
• a display device for displaying a result searched by said search device,
• wherein said map database stores object data associated with an object including a type of the object, a date of an occurrence and extinction of the object,
• wherein said object data relates to the date of the occurrence and extinction of the object, and are grouped with regard to one of a season and weather.

A geographic information system comprising:

• a map database;
• a condition-input-device for inputting a search condition to search said map database;
• a search device for searching said map database following the search condition;
• and
• a display device for displaying a result searched by said search device,
• wherein said map database stores object data associated with an object including a type of the object, a date of an occurrence and extinction of the object,
• wherein said map database includes data related to a temporary traffic regulation to be carried out within a limited period.