Data Mining utilizes different methodologies
(automatic learning, statistical analysis, information theory, etc.)
to reveal hidden behavioral patterns, trends, and relations in data.
Data Mining extracts and transforms data expressed in “gigabytes”
into useful information that is required for decision making.
Rules of Association
Rules of association identify
patterns in data, associations, correlations, and causal
structures among sets of items in databases. These rules
are used in basket analyses, cross marketing, catalogue
design, etc. A practical example is the proposal to group
product packages that are likely to sell as a combo. A
simple rule of association could be:
Clients who purchase product “A” or “B” and
are between ages 20 and 40 = >
Will buy product “C” (probability of 70%).
The
algorithms to discover rules of association are capable of analyzing hundreds of parameters from millions of cases in just a few seconds time.
Classification Models
These models describe and distinguish
classes or concepts in databases according to their profile
or behavior. The process is done with a classification
algorithm that examines data to identify the common patterns
that allow the data to be grouped. In this way, individuals
with the highest probability of responding to a specific
stimulus can be identified, thus improving marketing campaigns,
reducing costs and increasing efficiency.
Clustering
Clustering is a way to group
observations in clusters, based on the similarities among
the observations. Clusters are created without the need
to pre-define them; they represent the information discovered
automatically by the algorithm. This methodology is utilized
for tasks in which there is no classification information.
One of its uses includes classifying clients according
to their buying preferences.
Web-farming
Web farming is based on systematic
use of a content present on the Internet in order to keep
a company informed about topics essential to its business.
The Internet is increasingly used as a source for information.
Web-farming identifies information relevant to the firm’s
business, connecting this information to the firm’s database
and delivering the processed information to the people
or departments indicated by the organization.
Website Data Mining
Automatic analysis of website
visits can provide extremely valuable information. This
kind of analysis offers much more than a simple count
of hits. Website data mining can help clients identify
the profiles and preferences of visitors by utilizing
behavioral models (page jumps, amount of time spent in
each page or entry and exit pages, etc.). Website Data
Mining offers information on the products attractiveness
and suggests better ways of presenting services to satisfy
a client’s needs.
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