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Recent blog posts on data

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Your network is secure. Not Really.

content discovered on Wednesday, July 23, 2014

Some time ago, I wrote an article talking about security on a network, and how most people, including IT people in the field believe that a firewall and good antivirus is what is needed for their networks. They think a good intrusion detection system added into the mix makes them pretty secure. I debated these beliefs, and even took [] read more »


content discovered on Wednesday, July 23, 2014

Step 1: Define Business Objectives- This step is similar to any information system project. First of all, determine whether a data mining solution is really needed. State the objectives. Are we looking to improve our direct marketing campaigns? Do we want to detect fraud in credit card usage? Are we looking for associations between products that sell together? In this step, define expectations. read more »


content discovered on Saturday, July 19, 2014

Professor Peter Drucker, the senior guru of management practice, has admonished IT executives to look outside their enterprises for information. He remarked that the single biggest challenge is to organize outside data because change occurs from the outside. He predicted that the obsession with internal data would lead to being blindsided by external forces.  The majority of data warehousing read more »

HP3000E Biometric Hand Punch Reader

content discovered on Friday, July 11, 2014

HP3000E Biometric Hand Punch Reader The HandPunch 3000E records and stores the three-dimensional shape of the human hand for comparison and identity verification. Upon verification, the HandPunch records the time, date, user ID number, and collected time and attendance data for collection by a host computer. The HandPunch3000E can communicate with a PayPunch Time and [] read more »

Facebook Manipulates Feed for Study, Angers Users

content discovered on Monday, June 30, 2014

Manipulation was done to facilitate research on how feeds affect users moods. read more »


content discovered on Sunday, June 22, 2014

One of the key questions to be answered by the database designer is: How can we design a database that allows unknown queries to be performant? This question encapsulates the differences between designing for a data warehouse and designing for an operational system. In a data warehouse one designs to support the business process rather than specific query requirements. In order to achieve this read more »


content discovered on Friday, June 20, 2014

To facilitate strategic decision-making, we need a new breed of information delivery environment, called a data warehouse. The concept of a data warehouse given by Bill Inmon, the father of data warehousing, is depicted in Figure-1.  Figure -1 : What is Data Warehousing ?   The defining characteristics of a data warehouse are: Subject-orientation: Data warehouse data are arranged read more »

AT&T Customer Data Accessed

content discovered on Monday, June 16, 2014

According to the California Department of Justice, ATT Mobility has reported a breach of customer data. Although ATT didnt release the number of how many customers were affected, the California DOJ requires companies to report the data breach of more than 500 people. The report states that employees of a third party inappropriately accessed data regarding [] read more »


content discovered on Saturday, June 14, 2014

All organizations need to store the information and this is done through database. Data models refer to the conceptual model of the data and the underlying relationships among them. DBMS abstract some generic structures to represent conceptually every possible file structure. Data models can be classified in two classes viz; Record-based logical Models and Object-based logical models. read more »


content discovered on Saturday, June 14, 2014

An organization must have accurate and reliable data for effective decision-making. For this, the organization maintains records by combining the data from different sources in an organization. Database is a collection of related information stored along with the details of interpretation of the data contained. For managing the data in the database we need a system called Database Management read more »

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