Monday 29 June 2015

Introduction to BigData: purposes

Big Data and Analytics Introduction:
Types of Data:
Relational Data [Structured Data]
Text Data [Web: Comments, tweets, etc]
Semi Structured Data [XML]
Graph Data [Social Networks]
Streaming Data [This type of data available only once for scan.]

Operations of Data:
Aggregation and Statistics :
Data Warehouse and OLAP [Online Analytic Processing]
Indexing Searching and Querying:
Keyword based search
pattern matching
Knowledge Discovery:
Data Mining
Statistical Modeling

The 4th V in the previous 3V model of bigdata is Veracity which the handling of data uncertainty due to inconsistancy and incompleteness.

Business Intelligence:
Data Mining [Knowledge, Patterns, classification, Estimation]

Expert Systems

Types of Analytics:
Quantitive
Data Science
Operational
Business intelligence

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