Document retrieval apparatus
First Claim
1. A document retrieval apparatus for retrieving a retrieved document from a document database in which documents are registered, and displaying the retrieved document, the document retrieval apparatus comprising:
- a document retrieval unit for retrieving the retrieved document from the document database based on a retrieval keyword;
a keyword weight calculation unit for calculating a keyword weight of the retrieval keyword, which represents at least a degree of relevance between the retrieval keyword and contents of the retrieved document, the keyword weight calculation unit calculating the keyword weight of the retrieval keyword in part by multiplying both;
a number of occurrences of the retrieval keyword in the retrieved document, anda preset weight of the retrieval keyword, which is set before the document retrieval unit retrieves the retrieved document, and which represents a relative importance of the retrieval keyword with respect to other retrieval keywords in a same search query; and
a display process unit for displaying the retrieved document in a state where the retrieval keyword contained in the retrieved document is presented in a display aspect reflecting the keyword weight by changing a density of highlighting, changing a sort of meshing and changing a gradation of a background.
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Accused Products
Abstract
A document retrieval apparatus for retrieving documents from a document database in which documents are registered, and displaying the retrieved documents, the document retrieval apparatus includes: a keyword input unit for accepting input of a retrieval keyword for retrieving the documents; a document retrieval unit for retrieving the documents from the document database on the basis of the retrieval keyword; a keyword weight calculation unit for calculating those weights of the retrieval keyword which feature contents of the retrieved documents, as keyword weights; and a display process unit for displaying the retrieved documents in a state where the retrieval keyword contained in the retrieved documents is presented in display aspects conforming to the keyword weights.
6 Citations
10 Claims
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1. A document retrieval apparatus for retrieving a retrieved document from a document database in which documents are registered, and displaying the retrieved document, the document retrieval apparatus comprising:
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a document retrieval unit for retrieving the retrieved document from the document database based on a retrieval keyword; a keyword weight calculation unit for calculating a keyword weight of the retrieval keyword, which represents at least a degree of relevance between the retrieval keyword and contents of the retrieved document, the keyword weight calculation unit calculating the keyword weight of the retrieval keyword in part by multiplying both; a number of occurrences of the retrieval keyword in the retrieved document, and a preset weight of the retrieval keyword, which is set before the document retrieval unit retrieves the retrieved document, and which represents a relative importance of the retrieval keyword with respect to other retrieval keywords in a same search query; and a display process unit for displaying the retrieved document in a state where the retrieval keyword contained in the retrieved document is presented in a display aspect reflecting the keyword weight by changing a density of highlighting, changing a sort of meshing and changing a gradation of a background. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10)
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8. A computer-readable storage medium encoded with a computer program readable by a computer, the computer program instructing the computer to execute a method comprising:
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accepting input of a retrieval keyword for retrieving a document; retrieving the document from the document database based on the retrieval keyword; calculating a keyword weight of the retrieval keyword, which represents at least a degree of relevance between the retrieval keyword and contents of the retrieved document, the calculating of the keyword weight of the retrieval keyword being conducted in part by multiplying both; a number of occurrences of the retrieval keyword in the retrieved document, and a preset weight of the retrieval keyword, which is set before the document is retrieved, and which represents a relative importance of the retrieval keyword with respect to other retrieval keywords in a same search query; and displaying the retrieved document in a state where the retrieval keyword contained in the retrieved document is presented in a display aspect reflecting the keyword weight by changing a density of highlighting, changing a sort of meshing and changing a gradation of a background.
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9. A document retrieval method for retrieving a retrieved document from a document database in which documents are registered, and displaying the retrieved document, the document retrieval method comprising:
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inputting of a retrieval keyword for retrieving the retrieved document; retrieving the retrieved document from the document database based on the retrieval keyword; calculating a keyword weight of the retrieval keyword, which represents at least a degree of relevance between the retrieval keyword and contents of the retrieved document, the calculating of the keyword weight of the retrieval keyword being conducted in part by multiplying both; a number of occurrences of the retrieval keyword in the retrieved document, and a preset weight of the retrieval keyword, which is set before the document is retrieved, and which represents a relative importance of the retrieval keyword with respect to other retrieval keywords in a same search query; and displaying the retrieved document in a state where the retrieval keyword contained in the retrieved document is presented in a display aspect reflecting the keyword weight by changing a density of highlighting, changing a sort of meshing and changing a gradation of a background.
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Specification