Introducing to Datamining vs. OLAP -  مقدمه و مقایسه ای بر داده کاوی و تحلیل روی خط
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Introducing to Datamining vs. OLAP - مقدمه و مقایسه ای بر داده کاوی و تحلیل روی خط

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این فایل مقدمه ای بر شناسائی و مقایسه میان داده کاوی و تحلیل روی خط است که با شناسائی وجوه تشابه و تناظر میان ...

این فایل مقدمه ای بر شناسائی و مقایسه میان داده کاوی و تحلیل روی خط است که با شناسائی وجوه تشابه و تناظر میان این دو ابزار به رابطه تکمیل کننده این دو دانش و تکنیک می پردازد.

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Introducing to Datamining vs. OLAP -  مقدمه و مقایسه ای بر داده کاوی و تحلیل روی خط Introducing to Datamining vs. OLAP - مقدمه و مقایسه ای بر داده کاوی و تحلیل روی خط Presentation Transcript

  • Yousef Asgari – DBM OLAP & Data Mining (DBM)
  • OLAP Data Mining OLAP Relationship
  • Data Mining Engine
  • DataMiningLifeCycle - - - - -
  • - - - - -
  • OLAP
  • Introduction -(Data Warehouse) -(OLTP) -(OLAP) -(BI)
  • Data Warehouse - - - -
  • (W. H. Inmon) Data warehousing: The process of constructing and using data warehouses Data Warehouse
  • Data Warehouse /Subject-Oriented - - -
  • Data Warehouse /Integrated - - - - -
  • Data Warehouse /Time Variant - - - - - -
  • Data Warehouse /Nonvolatile - - - -
  •   OLAP 
  • •(OLTP) – – •(OLAP) – – •(OLTP vs. OLAP) – – – – –
  • OLAPOLTP OLTP OLAP users clerk, IT professional knowledge worker function day to day operations decision support DB design application-oriented subject-oriented data current, up-to-date detailed, flat relational isolated historical, summarized, multidimensional integrated, consolidated usage repetitive ad-hoc access read/write index/hash on prim. key lots of scans unit of work short, simple transaction complex query # records accessed tens millions #users thousands hundreds DB size 100MB-GB 100GB-TB metric transaction throughput query throughput, response
  • OLAP OLAP OLAP OLAP
  •     OLAP
  • Yousef Asgari – DBM OLAP • • • 0-D
  • Yousef Asgari – DBM • OLAP (Region) Dimensions: Product, Location, Time Hierarchical summarization paths Industry Region Year Category Country Quarter Item City Month Week Office Day
  • Yousef Asgari – DBM OLAP
  • Yousef Asgari – DBM OLAP time,product time,product,location time, product, location, supplier all time product location supplier time,location time,supplier product, location product,supplier location,supplier time,product,supplier time,location,supplier product,location,supplier 0-D(apex) cuboid 1-D cuboids 2-D cuboids 3-D cuboids 4-D(base) cuboid
  • OLAP  Roll up(Drill-up): Summarize data  Drill down (roll down): reverse of roll-up  Slice and dice: project and select  Pivot (rotate):
  • (DM vs. OLAP)
  • Broadcast and compress for seamless delivery
  • » » » OLAP & Data Mining
  • »(OLAP & DM) »OLAP » OLAP » OLAP OLAP & Data Mining
  • »OLAP(BI) » » »OLAP OLAP & Data Mining
  • »OLAP »OLAP »OLAP »OLAP OLAP & Data Mining
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