SEMANTIC SEARCH APPARATUS AND METHOD USING MOBILE TERMINAL
First Claim
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1. A search apparatus using a mobile terminal, the search apparatus comprising:
- an ontology managing unit configured to manage ontology of data searchable by the mobile terminal; and
a semantic searching unit configured to receive a search query, generate a keyword graph, in which keywords included in the search query are connected, by analyzing a structure of the search query, generate a response graph corresponding to the keyword graph by searching for the keyword included in the keyword graph in the ontology, and search for data corresponding to the search query in a local database by using the response graph.
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Abstract
Disclosed are an apparatus and a method of searching for information by a mobile device. The present invention provides simplified ontology to be applicable to a mobile environment having a limited resource, and provides ontology capable of providing a combined search environment by combining DBs used by various applications within a mobile device, respectively. Further, the present invention provides a semantic search engine providing a function of searching a local database within a mobile device, and expanding a search to a web as necessary and performing the search.
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Citations
20 Claims
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1. A search apparatus using a mobile terminal, the search apparatus comprising:
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an ontology managing unit configured to manage ontology of data searchable by the mobile terminal; and a semantic searching unit configured to receive a search query, generate a keyword graph, in which keywords included in the search query are connected, by analyzing a structure of the search query, generate a response graph corresponding to the keyword graph by searching for the keyword included in the keyword graph in the ontology, and search for data corresponding to the search query in a local database by using the response graph. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A search apparatus using a mobile terminal, the search apparatus comprising:
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a query organizing unit configured to receive a search query, analyze a structure of the search query, and generate a keyword graph, in which keywords included in the search query are connected; a response graph generating unit configured to search for the keywords included in the keyword graph in the ontology for data stored in a local database and generate a response graph corresponding to the keyword graph; and a local data searching unit configured to search for data corresponding to the search query in the local database by using the response graph. - View Dependent Claims (19)
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20. A search method using a mobile terminal, the search method comprising:
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a query organizing step of receiving a search query, analyzing a structure of the search query, and generating a keyword graph, in which keywords included in the search query are connected; a response graph generating step of searching for the keywords included in the keyword graph in the ontology for data stored in a local database and generating a response graph corresponding to the keyword graph; and a local data searching step of searching for data corresponding to the search query in the local database by using the response graph.
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Specification