Introducing to Datamining vs. OLAP - مقدمه و مقایسه ای بر داده کاوی و تحلیل روی خط
- 1. Yousef Asgari – DBM OLAP & Data Mining (DBM)
- 2. OLAP Data Mining OLAP Relationship
- 6. - - - - -
- 7. OLAP
- 10. (W. H. Inmon) Data warehousing: The process of constructing and using data warehouses Data Warehouse
- 13. Data Warehouse /Time Variant - - - - - -
- 15. OLAP
- 18. 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
- 20. OLAP
- 21. Yousef Asgari – DBM OLAP • • • 0-D
- 22. Yousef Asgari – DBM • OLAP (Region) Dimensions: Product, Location, Time Hierarchical summarization paths Industry Region Year Category Country Quarter Item City Month Week Office Day
- 23. Yousef Asgari – DBM OLAP
- 24. 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
- 25. OLAP Roll up(Drill-up): Summarize data Drill down (roll down): reverse of roll-up Slice and dice: project and select Pivot (rotate):
- 26. (DM vs. OLAP)
- 27. Broadcast and compress for seamless delivery
- 28. » » » OLAP & Data Mining
- 29. »(OLAP & DM) »OLAP » OLAP » OLAP OLAP & Data Mining
- 30. »OLAP(BI) » » »OLAP OLAP & Data Mining
- 31. »OLAP »OLAP »OLAP »OLAP OLAP & Data Mining
- 32. Yousef Asgari – DBM Record your presentation with Create a Video and capture narrations, animations, media, and much more. Upload, embed, and share away!
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