(2010), where a set of important keyphrases is extracted first from the citation contexts in which the paper to be summarized is cited by other papers and then the "best" subset of sentences that contain such keyphrases is returned as the summary.
keyphrases in (Qazvinian et al., 2010) are extracted using frequent n-grams in a language model framework, whereas in our work, we propose a supervised approach to a different task: keyphrase extraction.