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<p>Creating course page via bot</p> <p><b>New page</b></p><div>{{Infobox Course<br /> | code = ELL886<br /> | name = Big Data Systems<br /> | credits = 3<br /> | credit_structure = 3-0-0<br /> | pre_requisites = <br /> | overlaps = <br /> }}<br /> <br /> == ELL886 : Big Data Systems ==<br /> Introduction; Hadoop, Map-Reduce, GFS/HDFS, Bigtable/HBASE; Extension of Map-Reduce: iMap-reduce (iterative), incremental map-reduce. SQL and Data-parallel programming, DryadLINQ. Data-flow parallelism vs. message passing. Data locality. Memory hierarchies. Sequential versus random access to secondary storage. NoSQL systems. NewSQL systems. Finding similar items and LSH; Search Technology: link analysis and Page-rank algorithm; Large Scale Graph Processing; Mining Streaming Data and Realtime analytics: Window semantics and window joins. Sampling and approximating aggregates (no joins). Querying histograms. Maintaining histograms of streams. Use of Haar wavelets. Incremental and online query processing: online aggregation.</div>

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