CIS 430Data Mining and Knowledge

DiscoveryDr. Iren Valova

CIS 430Data Mining and Knowledge

DiscoveryDr. Iren Valova

What’s it all about???What’s it all about???

What is Data Mining?What is Data Mining?

extracting relevant information from large extracting relevant information from large sets of datasets of data

a predictive and proactive approach to dataa predictive and proactive approach to data necessary for necessary for understandingunderstanding the the

information that is actually in large sets of information that is actually in large sets of datadata

Data Mining is not:Data Mining is not:

data warehousingdata warehousing data visualizationdata visualization software agentssoftware agents SQL queries / reportingSQL queries / reporting on-line analytical processing (OLAP)on-line analytical processing (OLAP)

In Plain English Now...In Plain English Now...

All that aside, Data Mining, or Knowledge All that aside, Data Mining, or Knowledge Discovery in Databases, is really extracting Discovery in Databases, is really extracting some useful knowledge out of a large store some useful knowledge out of a large store of data for the purpose of making more of data for the purpose of making more informed decisions or even for prediction.informed decisions or even for prediction.

Lots of useless Data can be turned into useful knowledge, which makes cats happy.Lots of useless Data can be turned into useful knowledge, which makes cats happy.

In Plain English Now...In Plain English Now...

This is achieved by finding the driving This is achieved by finding the driving forces behind the data.forces behind the data.

Given a set of rules and associations, the Given a set of rules and associations, the data can be used to make inferences about data can be used to make inferences about the causes behind the data with a variable the causes behind the data with a variable level of certainty.level of certainty.

Some Uses for Data Mining...Some Uses for Data Mining...

Turnover ManagementTurnover Management Claims ProcessingClaims Processing Credit Risk AnalysisCredit Risk Analysis Electronic CommerceElectronic Commerce Food-Service Menu analysisFood-Service Menu analysis Fraud DetectionFraud Detection Government Policy SettingGovernment Policy Setting Hiring ProfilesHiring Profiles Medical ManagementMedical Management Pharmaceutical ResearchPharmaceutical Research Process ControlProcess Control

Quality ControlQuality Control Student RecruitingStudent Recruiting Web CachingWeb Caching Warranty AnalysisWarranty Analysis Anything you choose to use it forAnything you choose to use it for