| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Research Abstract |
For the purpose of clarifying differences in regulations among municipalities, we studied methods to automatically sample similar rules by computer and to automatically generate the clause-correspondence table between two municipalities. We initially converted codes of all Japanese prefectural governments, which are open on Website, into XML documents and demonstrated that TF-IDF method is effective to automatically generate the clause-correspondence table. However, the TF-IDF method requires too long. We investigated alternative methods with shorter computational time and identified that the length of longest common subsequence (LCS) among clause-headings is the most effective with the shortest time. We also clarified that the length of LCS is effective to automatically extract similar regulations from other prefectural governments. Thus, we concluded that our study should contribute to reducing workloads of legal sections of municipalities, especially when they would merge.
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