Understanding Data Warehouses: Models, Design, and Usage

A decision support database that is maintained separately from the organization’s operational database

Support information processing by providing a solid platform of consolidated, historical data for analysis.

“A data warehouse is a subject-oriented, integrated, time-variant, and nonvolatile collection of data in support of management’s decision-making process

Subject-Oriented

Organized around major subjects, such as customer,

product, sales

Focusing on the modeling and analysis of data for

decision

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Understanding Cloud Computing: Types, Models, and Applications

CLOUD COMPUTING

The term cloud refers to a network or the internet. It is a technology that uses remote servers or the internet to store, manage, and access data online rather than local drivers. The data can be anything such as files, images, documents, audio, video, and more. There are several operations that we can do using cloud computing:

  • Develop new applications and services.
  • Store, backup, and recover data.
  • Develop software on demand.
  • Analyze data.
  • Stream videos and audio.

Characteristics of Cloud

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Understanding Electric Current and Circuits: A Comprehensive Guide

Electric current:

Is the continuous flow of electrons.

Conductors:

Materials that allow electric current to pass through them.

Insulators:

Materials that do not allow electric current to pass through them.

Static electricity:

Is the result of an imbalance between negative and positive charges in an object.

Electric circuit:

Is a set of connected components through which an electric current circulates.

Generators:

Provide the necessary energy to move the electrons. (Batteries: use chemical processes to generate

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SEO and Digital Marketing Glossary

Cookie

Cookie: packet of data that is sent from a server to your browser to identify and track the user to make the next visit more useful and personal. cookies in your browser are like a small snippet of text, and when you accept this one is when you send the data.

Page Visit

number of pages that the user visit or load on the same browser, in one session the user can include one or more pages of visit, this metric is important to analyst the strategies of SEO.

Browser

Informatic Program with a graphic

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IoT

IoT
Security Challenges
Chapter 8
Multiple Technologies:
Each
IoT
technology (e.G. Wireless sensor, RFID, cloud, virtualization)
has its own vulnerabilities. The chain of all of those technologies must be secured (
IoT
application will be judged based on its weakest point).
Multiple Verticals:
The
IoT
paradigm will have numerous verticals. The security requirements of
each vertical are quite different from the remaining verticals.
Scalability:
26.3 billion smart devices will be connected to the Internet
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Challenges and Strategies for Effective Web Data Mining

61) In what ways does the Web pose great challenges for effective and efficient knowledge discovery through data mining?

Answer:

  • The Web is too big for effective data mining. The Web is so large and growing so rapidly that it is difficult to even quantify its size. Because of the sheer size of the Web, it is not feasible to set up a data warehouse to replicate, store, and integrate all of the data on the Web, making data collection and integration a challenge.
  • The Web is too complex. The complexity
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