Digital Society - Data & 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 analyze; 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

quantitative data

data using numbers that can be computed

qualitative data

descriptive data such as customer feedback collected from a source like a survey

geospatial data

location data which refers to the positioning of an object in a geographic space, usually collected using GPS technologies

metadata

a set of data that describes and gives information about data that is being stored, such as author, size of the file, date, etc.

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

storage life of data

creation, storage, usage, preservation, destruction

data validation

designing your database so that only valid (suitable) data can be used

data verification

in databases, there are checks that the data entered is the actual data that you want, or that it matches the original source of the data

data visualization

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

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

query

a search within a database

encryption

the process of converting readable data into unreadable characters in order to prevent unauthorized access

Secure Socket Layer (SSL)

a protocol developed for sending information securely over the intenet by usng an encrypted link between a web server and a browser

Transport Layer Security (TLS)

an improved version of the SSL protocol which 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

public key encryption

used with SSL and TLS security protocols; uses 2 different keys to code and encode data; the http in the URL is replaced with https.

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 structured or unstructured