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  const  = {\ text}
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}
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}
@Article{cattuto2007network,
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}
@Inproceedings{grahl2007clustering,
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  year   = {2007},
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}
@Article{journals/internet/HeymannKG07,
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}
@Inproceedings{jaschke07recommender,
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@Article{10.1109/WI.2007.108,
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}
@Article{sinclair:ftc,
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@Article{1276056,
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@Inproceedings{hotho2006information,
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  year   = {2006},
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@Inproceedings{trias2006jaeschke,
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  year   = {2006},
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}
@Inproceedings{schmitz2006mining,
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  year   = {2006},
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}