Computers and Data Collection Module 5 Section 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
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
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 E-mail
Public records DMV Voter registration Birth and death certificates Marriage certificates Property records Court records Divorce records Arrest records Postal address records
Confidential Records Social welfare information Tax information School records Public library records Criminal history Health records
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, e-mail remains available for years
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
Acquisition of Data Census Surveillance Identification Networking
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
Data Mining Analyze to perform data profiles Create from customer files than matches are made Businesses and governments keep records and sell them
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
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
Data Mining Uses Target customers Advertise to current customers Manipulate markets Select, monitor, and control employees
Social Security Number Major use for identification Linked to Banking data Credit report Driving record Earnings history Work history .......