![[(Relevance Ranking for Vertical Search Engines)] [ By (author) Bo Long, By (author) Yi Chang ] [March, 2014]](https://m.media-amazon.com/images/I/51Rhh38zBVL.jpg)
[(Relevance Ranking for Vertical Search Engines)] [ By (author) Bo Long, By (author) Yi Chang ] [March, 2014]
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