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Data Science Lecture Series. Speaker: David Tench

September 13 @ 10:30 am - 11:45 am

Title: Dynamic Graph Sketching: To Infinity And Beyond
Abstract: Existing graph stream processing systems must store the graph explicitly in RAM which limits the scale of graphs they can process. The graph semi-streaming literature offers algorithms which avoid this limitation via linear sketching data structures that use small (sublinear) space, but these algorithms have not seen use in practice to date. In this talk I will explore what is needed to make graph sketching algorithms practically useful, and as a case study present a sketching algorithm for connected components and a corresponding high-performance implementation. Finally, I will give an overview of the many open problems in this area, focusing on improving query performance of graph sketching algorithms.


September 13
10:30 am - 11:45 am


FASB 295