| 摘要 |
PROBLEM TO BE SOLVED: To provide a map display device with which a related suitable map can be displayed when referring to nodes. SOLUTION: When contents 3 of the node presented by a hyper text document presenting means 2 for presenting any arbitrary designated node in any arbitrary hyper text document 1 include a keyword classified as a phrase expressing only a spot in a correspondence table 4, a keyword for map retrieval in the correspondence table 4 is extracted. Then, a correspondent spot generating means 5 generates a keyword correspondent spot cluster 6 and based on this cluster, a related map extracting means 8 extracts the related map out of map data 7 for display and displays it on a map display means 9. Thus, since the map area related to the contents of the node is extracted out of plural keywords in the node, the suitable map can be displayed. |
