Digital Society 3.1 - Data and Data Analysis

Data

Raw and unorganized facts and figures, which may be in the form of numbers, letters, characters or images

Information

The output after data has been processed, organized or structured, to convert it into something that is ready to visualize or analyse; it provides context for the data

Knowledge

Meaning can be derived from information and applied to achieve a set goal

Wisdom

The application of knowledge

Metadata

A set of data that describes and gives information about other data

Data mining

The process of finding patterns and correlations, as well as anomalies, within large sets of data

Data matching

The process of comparing two different sets of data with the aim of finding data about the same entity

Primary data

Original data collected for the first time for a specific purpose

Secondary data

Data that has already been collected by someone else for a different purpose

Relational database

A database that has more than one table

Validation

In databases, this means that only valid (suitable) data can be entered

Verification

In databases, these are checks that the data entered is the actual data that you want, or that the data entered matches the original source of data

Data visualization

The process of converting large sets of data into charts, graphs or other visual presentations

Infographics

An alternative way to provide an easy-to-understand overview of a topic

Encryption

Process of converting readable data into unreadable characters to prevent unauthorized access.

Secure Socket Layer (SSL)

A protocol developed for sending information securely over the Internet by using an encrypted link between a web server and a browser

Transport Layer Security

An improved version of SSL and is a protocol that provides security between client and server applications communicating over the Internet

Data masking

The process of replacing confidential data with functional fictitious data, ultimately anonymizing the data

Data erasure

The destruction of data at the end of the data life cycle

Data deletion

The sending of the file to the recycle bin, which removes the file icon and pathway of its location

Blockchain

A digital ledger of transactions that is duplicated and distributed across a network of computers

Big data

Term used to describe large volumes of data, which may be both structured and unstructured

Real-time

Happening now or live

Data privacy

The ability for individuals to control their personal information

Data reliability

Refers to data that is complete and accurate

Data integrity

Refers to the trustworthiness of the data and whether it has been compromised

Cyberbullying

Bullying carried out online eg: on social media

GDPR (General Data Protection Regulation)

Legislation designed to harmonize data privacy laws across the EU