| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
Our aim is to develop fundamental technologies for utilizing an XML document conforming to a schema by transforming it to a document conforming to another schema. In this research, we have adopted XPath, a query language to XML documents, to represent a common structure of candidates for transformed XML documents, because such representation will be useful for query optimization. One of our contributions is several conditions where it can be decided efficiently whether a given XPath expression is really a common structure of a given set of candidate documents. We have also tackled other theoretical problems related to data exchange.
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