ABSTRACT
Road maps are utilized by many people with different aims. These emphasize some locations that are well known and often used by them. The locations are used as guides, which are referred to as landmarks, for accomplishing their aims.
This paper presents a new method for directly selecting landmarks from the road maps. One of the advantages is to identify landmarks according to the name and road frequencies. The name frequency shows the number of maps in which a location name is drawn. The road frequency shows the number of maps in which a road is drawn. These are used for judging whether locations are emphasized in the maps. Thus, the method finds landmarks from many cities because some road maps cover the cities.
An experiment was conducted using 149 subjects to examine the effectiveness of the method. According to the results, the method found 80% of the subjects' landmarks. It also found 30% more landmarks than a conventional method.
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Index Terms
- Landmark Information Retrieval Based on Name and Road Frequencies in Digital Road Maps
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