1. Computers and Data Collection
Module 5
Section 2

2. Computers Have Facilitated....
The collection of data
Analysis of data
Storage of data
Access of data
Distribution of data
Reasons
Speed
Anonymity
Internet has broadened access to information

3. Database Program to help you store, manage, and analyze your data
Databases make it easier to:
Store large quantities of information
Retrieve information quickly and flexibly
Organize and reorganize information
Print and distribute information in a variety of ways

4. Other Databases Employee ID scanners Prescription drugs Bank machines
Cellular phone calls
Browsing on Net - cookies
Sweepstakes
Satellites
Credit cards
Supermarket scanners
Electronic tolls
Mail-order transactions

5. Public records DMV Voter registration Birth and death certificates
Marriage certificates
Property records
Court records
Divorce records
Arrest records
Postal address records

6. Confidential Records Social welfare information Tax information
School records
Public library records
Criminal history
Health records

7. Internet and data collection
Cookies
Search engines - quicker more available info
Open-ended nature of net - no rules to define what is personal info
Newsgroup, chat rooms, remains available for years

8. Purposes of Record Systems
Help agencies perform their functions efficiently
Determine eligibility for government job
Determine eligibility for benefits programs
Detect fraud
Recover payments of delinquent debt

9. Acquisition of Data
Census
Surveillance
Identification
Networking

10. Methods Used Computer matching Computer profiling
Combining and comparing information from different databases
Computer profiling
using data in computer files to determine characteristics of people most likely to engage in a certain behavior

11. Data Mining Analyze to perform data profiles
Create from customer files than matches are made
Businesses and governments keep records and sell them

12. Data Mining Results
Analysis of data for relationships that have not been discovered
Associations
One event can be correlated to another
Sequences
One event leads to another
Classification
Recognition of patterns resulting in new organizations

13. Data Mining Results Clustering Forecasting
Finding and visualizing groups of facts not previously known
Forecasting
Discovering patterns in the data that can lead to predictions about the future

14. Data Mining Uses Target customers Advertise to current customers
Manipulate markets
Select, monitor, and control employees

15. Social Security Number
Major use for identification
Linked to
Banking data
Credit report
Driving record
Earnings history
Work history