| 摘要 |
PROBLEM TO BE SOLVED: To provide a graph retrieving device for quickly retrieving a sub-graph in which the relationship of mutual sub-graphs to be retrieved from each keyword is clarified. SOLUTION: This graph retrieving device is provided with a pattern retrieving part 16 for retrieving a first pattern being a pattern whose one terminal position has a node having an instance equal to a first keyword, and whose other terminal position has a node where a designated class is defined and a second pattern being a pattern whose one terminal position has a node having an instance equal to a second keyword and whose other terminal position has a node where a designated class is defined from a pattern database 15, a pattern merge part 17 for merging the first pattern and the second pattern with the node at the other terminal position and a graph retrieving part 18 for retrieving a sub-graph matched with the merged pattern. COPYRIGHT: (C)2007,JPO&INPIT
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