The second example is about my advisor, Dr. Dongwon Lee’s publications in DBLP.
	Because “Dongwon Lee” is one of common names, there are another author with the same name in digital libraries. In addition, DBLP does not have any unique identifier corresponding to each author name. Therefore, the citations by another scholar with the same name spelling can be merged into a single collection.
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	In fact, citation 22 and citation 24 really belong to another “Dongwon Lee” at University of Minnesota.