| 摘要 |
A data extracting unit extracts from a text fact data stipulated by a combination of a target object, an attribute name, and an attribute value. A data aggregating unit groups data similar to the extracted fact data throughout the text, and aggregates the number of occurrences. An inconsistency detecting unit detects an inconsistent data group which cannot be consistent by scanning a data set aggregated by the data aggregating unit. A correctness/incorrectness determining unit determines which data is correct within the inconsistent data group. A final data integrating unit integrates and outputs correct data. Additionally, the degree of reliability is assigned to fact data when the fact data is extracted from a text, and also a correctness/incorrectness determination of each data within a data group can be made by using the degree of reliability assigned to the fact data.
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