Keywords: Redundancy
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Journal Articles
International Journal of Web Information Systems (2018) 14 (3): 299–316.
Published: 20 August 2018
... are restricted to find answer trees having different root nodes and thus often generate a result consisting of answer trees with low relevance to the query or duplicate content nodes. The method allows limited redundancy in the root nodes of top-k answer trees to produce more effective query results...

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