A rival of the developer Bruce C. Ratner submitted a competing bid yesterday to buy and develop the site of a proposed Nets basketball arena in Brooklyn , throwing up the first significant obstacle to Mr. Ratner 's ambitious plan to create a dense urban hub at the eastern edge of Downtown Brooklyn .
Downtown Brooklyn /location/neighborhood/neighborhood_of Brooklyn
Brooklyn /location/location/contains Downtown Brooklyn
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Downtown Brooklyn
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Brooklyn
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/location/neighborhood/neighborhood_of
Brooklyn
LOCATION
Downtown Brooklyn
LOCATION
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