Method for matching place name and address in news event based on geographical feature hierarchical segmented words
A geographic feature and address matching technology, applied in geographic information databases, electronic digital data processing, special data processing applications, etc., can solve the problems of lack of grasp of the surrounding environment, lack of information acquisition methods, lack of understanding of geographic location, etc.
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[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0040] Such as figure 1 Shown, the present invention comprises the following steps:
[0041] (1) Construct Chinese word segmentation database, place name address database and geographic feature word database.
[0042] Apply the word combination granularity reduction / expansion method of the Chinese dictionary to establish the Chinese word segmentation database DB1; combine the addresses of provinces, cities, counties, communities, streets or village groups to establish the place name address database DB2; measure, and establish the geographic feature word database DB3.
[0043] The specific establishment steps of the geographic feature word database DB3 are as follows: for a certain word word, its probability of belonging to DB3 is set as p, and the geographic correlation degree and semantic similarity measurement model is established:
[0044] p(word...
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