# of records = 8
homepages/74/5768 conf/iccpol/KimJNLL09 conf/iccpol/LeeKL09 conf/iccpol/NamNKLL09 conf/sigir/NaKKL08 conf/trec/LeeNKNJL08 journals/ipm/KangNKL07 conf/iccpol/KimKL06
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