Concepts and sources of big data.

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Concepts and sources of big data:

Demystifying Big Data: Concepts, Sources, and Characteristics

Imagine a world where every digital process and social media exchange produces data. Each byte of data forms part of an unimaginable amount of unstructured and structured data known as Big Data. But what exactly is Big Data, and why is it so crucial in today's digital era? Let's delve into it.

Unravelling the Concept of Big Data

In the simplest terms, Big Data refers to the massive amounts of data that inundates businesses daily. This data is so enormous that traditional data processing software can't manage it. But it's not the volume of data that's important. Rather, it's what companies do with the data that matters. Big Data can be analyzed for insights leading to better decisions and strategic business moves.

Let's consider a shopping mall during holiday season sales. The mall would be flooded with customers, just like businesses are with data. If the crowd is unmanaged, it results in chaos. However, if the mall authorities effectively manage the crowd, they can track customer preferences, peak shopping hours, most preferred stores, and so on. Similarly, if Big Data is managed efficiently, it can reap substantial benefits for businesses.

The Wellspring of Big Data: Its Sources

The world is a playground for Big Data, as it can come from anywhere. Let's look at some common sources:

  1. Social Media: The digital footprints left behind by billions of social media users generate a significant amount of data. For instance, Facebook, with its 2.8 billion active users, contributes substantially to Big Data.

  2. Sensors: The Internet of Things (IoT) is another significant source of Big Data. Devices like fitness trackers, home automation systems, and industrial sensors generate large volumes of data incessantly.

  3. Transactional Data: Each time a transaction is made, data is generated. This could be from online purchases, credit card swipes, or even a simple grocery receipt.

The Four Vs That Define Big Data

Big Data often gets defined by four Vs: Volume, Variety, Velocity, and Veracity.

Volume 📊: The name Big Data itself suggests that the data is big, or voluminous. Businesses collect data from various sources like business transactions, social media, and information from sensors or machine-to-machine data.

Variety 🌈: Data comes in all types of formats – from structured, numeric data in traditional databases to unstructured text documents, emails, videos, audios, stock ticker data, and financial transactions.

Velocity 🚀: With the growth in the Internet of Things, data streams in at an unprecedented speed and must be dealt with in a timely manner.

Veracity 🎯: Veracity refers to the quality or trustworthiness of the data. For instance, is the data that is being stored, and mined meaningful to the problem being analyzed?

Unveiling the world of Big Data is like going on an adventurous exploration. It's vast, varied, fast, and can be uncertain. However, if managed and analyzed effectively, the insights it provides can lead to unprecedented business advantages.

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1- Introduction 2- Models of data communication and computer networks: Analyse the models used in data communication and computer networks. 3- Hierarchical computer networks: Analyse the different layers in hierarchical computer networks. 4- IP addressing in computer networks: Set up IP addressing in a computer network. 5- Static and dynamic routing: Set up static and dynamic routing in a computer network. 6- Network traffic management and control: Manage and control network traffic in a computer network. 7- Network troubleshooting: Diagnose and fix network problems. 8- Introduction 9- Concepts and sources of big data. 10- Recommendation systems, sentiment analysis, and computational advertising. 11- Big data types: streaming data, unstructured data, large textual data. 12- Techniques in data analytics. 13- Problems associated with large data sets used in applied analytical models. 14- Approaches to visualize the output from an enforced analytical model. 15- Big data processing platforms and tools. 16- Performing simple data processing tasks on a big data set using tools 17- Introduction 18- Relational Database Management Systems: Analyze the concepts and architecture of a relational database management system. 19- Entity Relationship Model: Analyze the components of an entity relationship model. 20- Relational Model: Analyze relation, record, field, and keys in a relational model. 21- ER to Relational Model Conversion: Perform a conversion from an ER model to the relational model. 22- Functional Dependency: Analyze the concepts of closure sets, closure operation, trivial, non-trivial, and semi-trivial functional dependencies. 23- Normal Forms: Analyze the concepts of lossless, attribute-preserving, and functional-dependency-preserving decomposition, and first normal form. 24- Installation of Programming Languages and Databases: Install MySQL and phpMyAdmin and install Java and Python programming languages. 25- CRUD Operations: Perform create, read, update, delete (CRUD) operations in MySQL. 26- MySQL Operations: Perform MySQL operations using CONCAT, SUBSTRING, REPLACE, REVERSE, CHAR LENGTH, UPPER, and LOWER commands. 27- Aggregate Functions: Perform MySQL operations using count, group by, min, max, sum, and average functions. 28- Conditional Statements and Operators: Perform MySQL operations using not equal, not like, greater than, less than, logical AND, logical OR. 29- Join Operations: Perform MySQL operation. 30- Introduction 31- Historical development of databases: Analyze the evolution of technological infrastructures in relation to the development of databases. 32- Impact of the internet, the world-wide web, cloud computing, and e-commerce: Analyze the impact of these technologies on modern organizations. 33- Strategic management information system (MIS): Analyze the characteristics and impact of a strategic MIS. 34- Information systems for value-added change: Analyze how information systems can support value-added change in organizations. 35- Functionality of information communication technology: Analyze the functionality offered by information communication technology and its implications. 36- International, ethical, and social problems of managing information systems: Define the international, ethical, and social problems associated. 37- Security and legislative issues in building management information systems: Define the security and legislative issues related to building MIS. 38- Security and legislative issues in implementing management information systems: Define the security and legislative issues related to implementing MIS. 39- Security and legislative issues in maintenance. 40- Introduction 41- Ethical concepts in computing: Analyse common ethical concepts and theories in computing. 42- Laws and social issues in information technology: Analyse laws and social issues in areas including privacy, encryption, and freedom of speech. 43- Intellectual property and computer crime: Analyse the laws relating to trade secrets, patents, copyright, fair use and restrictions, peer-to-peer. 44- Data privacy: Define data privacy and analyse the types of data included in data privacy. 45- Ethical theories and the U.S. legal system: Analyse philosophical perspectives such as utilitarianism versus deontological ethics and the basics. 46- Ethical dilemmas in information technology: Apply ethical concepts and an analytical process to common dilemmas found in the information technology. 47- Impacts of intellectual property theft and computer crime: Analyse the impacts of intellectual property theft and computer crime. 48- Ethics in artificial intelligence (AI): Analyse the ethics in AI, including autonomous vehicles and autonomous weapon systems. 49- Ethics in robotics: Analyse the ethics in robotics, including robots in healthcare. 50- Introduction 51- Technologies involved in building a secure e-commerce site. 52- Common problems faced by e-commerce sites. 53- Requirements analysis and specification for an e-commerce project. 54- Writing a project proposal and creating a presentation. 55- Front-end development tools, frameworks, and languages. 56- Back-end development languages, frameworks, and databases. 57- Application of software development methodologies. 58- Creating a project report and user documentation. 59- Delivering structured presentations on the software solution.
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