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<item>
  <id>05755074</id>
  <dt>j</dt>
  <an>05755074</an>
  <augroup>
    <au>Romero, Daniel M.</au>
    <au>Kleinberg, Jon M.</au>
  </augroup>
  <ti>The directed closure process in hybrid social-information networks, with an analysis of link formation on twitter.</ti>
  <so>Comput. Res. Repos. 2010, Article No. 1003.2469 (2010).</so>
  <py>2010</py>
  <pu>Association for Computing Machinery, New York, NY; Cornell University, Ithaka, NY</pu>
  <lagroup>
    <la>EN</la>
  </lagroup>
  <ccgroup>
  </ccgroup>
  <utgroup>
  </utgroup>
  <cigroup>
  </cigroup>
  <ligroup>
    <li>arXiv:1003.2469</li>
  </ligroup>
</item>