LOCATION BASED SYSTEM UTILIZING GEOGRAPHICAL INFORMATION FROM DOCUMENTS IN NATURAL LANGUAGE
First Claim
1. A method of operating a location-based system, wherein the location-based system performs the steps of:
- identifying geographic information within unstructured electronic text, the geographic information including at least one of street information, address information, and a name of a location;
extracting the identified geographic information; and
determining candidate geographic locations to which the identified geographic information may refer.
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Accused Products
Abstract
A method of operating a location-based system includes identifying geographic information within unstructured electronic text. The identified geographic information, which includes street information, address information, or names of locations is extracted. Candidate geographic locations to which the identified geographic information may refer are determined. One of the candidate geographic locations is selected. An alphanumeric representation of the selected geographic location is utilized in a location-based service. The invented system performs each of the preceding steps. The system supports the extraction of all locations mentioned in the unstructured text, applying the steps mentioned above.
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Citations
25 Claims
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1. A method of operating a location-based system, wherein the location-based system performs the steps of:
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identifying geographic information within unstructured electronic text, the geographic information including at least one of street information, address information, and a name of a location; extracting the identified geographic information; and determining candidate geographic locations to which the identified geographic information may refer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of operating a location-based system, comprising the steps of:
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manually selecting an internet web page; identifying geographic information within the web page, the geographic information including at least one of address information and a reference to a point of interest; extracting the identified geographic information from the web page; and utilizing the extracted geographic information in at least one of a navigation service and a map service, wherein the steps of identifying, extracting and utilizing are performed automatically by the location-based system. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method of operating a location-based system, wherein the location-based system performs the steps of:
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identifying a plurality of portions of geographic information within unstructured electronic text; extracting the identified portions of geographic information from the text; and determining candidate geographic locations to which one of the identified portions of geographic information may refer. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification