Graph sketches: sparsification, spanners, and subgraphs

  title={Graph sketches: sparsification, spanners, and subgraphs},
  author={Kook Jin Ahn and Sudipto Guha and Andrew McGregor},
When processing massive data sets, a core task is to construct synopses of the data. To be useful, a synopsis data structure should be easy to construct while also yielding good approximations of the relevant properties of the data set. A particularly useful class of synopses are sketches, i.e., those based on linear projections of the data. These are applicable in many models including various parallel, stream, and compressed sensing settings. A rich body of analytic and empirical work exists… CONTINUE READING
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