Glossary index

Technology, science and the universe

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Dailynew terms from the radar
Physical and Earth sciences

Exothermic

An exothermic reaction is a chemical process that releases energy in the form of heat to the environment. This type of reaction is characterized by a decrease in the internal energy of the system…

Life sciences

Exotic Species

Exotic species are those that are not native to a specific place but have been introduced into a new environment, either intentionally or accidentally. These species can be animals, plants, or…

Data and analytics

Exp

The 'exp' function is a mathematical operation that calculates the exponential of all elements in an input array. In more technical terms, 'exp' refers to the exponential function, which is defined…

Operating systems

expand

The 'expand' command in Unix-like operating systems, including Linux, is a tool used to convert tabs into spaces in text files. This command is particularly useful in programming and text editing…

Physical and Earth sciences

Expansion

Expansion refers to the increase in the volume of a material when heated. This physical phenomenon is fundamental in various disciplines, including engineering, physics, and chemistry. Thermal…

Hardware, electronics and robotics

Expansion card

An expansion card is a circuit board that is inserted into a computer to add additional functionality. These cards connect to the motherboard through specific slots, such as PCI, PCIe, or AGP…

Operating systems

Expansion Card Driver

An expansion card driver is essential software that allows an operating system to communicate with and manage additional hardware installed in a computer. These expansion cards, which can include…

Operating systems

expect

The 'wait' command in Linux Bash is a fundamental tool used to automate interactions with programs and scripts. Its main function is to pause the execution of a script until a specific process has…

Software development

Expectation

An expectation in testing is a condition that must be met for the test to pass. In the context of test-driven development (TDD), expectations are fundamental to defining the expected behavior of a…

Artificial intelligence

Expectation-based Generative Models

Expectation-Based Generative Models are a type of statistical model that generates data based on expected outcomes from a given distribution. These models focus on the ability to predict and simulate…

Mathematics and statistics

Expectation-Maximization

Expectation Maximization (EM) is a fundamental statistical technique used to find maximum likelihood estimates of parameters in probabilistic models. This method is based on an iterative approach…

Software development

Expectation adjustment

Expectation adjustment in the context of Scrum and agile methodologies refers to the practice of managing and aligning stakeholder expectations regarding project outcomes. This concept is fundamental…

Artificial intelligence

Expected Improvement

The 'Expected Improvement' is a fundamental concept in Bayesian optimization, used to guide the sampling process in the search for the best hyperparameters for machine learning models. This criterion…

Software development

Expected Outcome

The 'Expected Outcome' in the context of Scrum refers to the goal or target anticipated to be achieved at the end of a sprint or project. This outcome is fundamental for guiding the team's work, as…

Artificial intelligence

Expected Reward

Expected reward is a fundamental concept in reinforcement learning, referring to the anticipation of the reward that can be obtained by performing a specific action within a given environment, based…

Mathematics and statistics

Expected Value

The expected value is a fundamental concept in probability theory and statistics, representing the average value of a random variable, weighted by the probability of each of its possible outcomes. In…

Space and astronomy

Expedition

The expedition is a journey undertaken by a group of people with a specific purpose, especially for exploration. This term evokes the idea of adventure and discovery, where participants embark on a…

Cloud and infrastructure

Expenditure

Cloud spending refers to the total amount of money an organization allocates to the acquisition and use of cloud-based resources and services over a specific period. This spending can include costs…

Business and technology management

Expense Management

Expense management refers to the process of tracking, categorizing, and analyzing business expenses. This process is fundamental for organizations as it allows for clear control over how financial…

Society and culture

Expenses

Expenses refer to the costs incurred in the process of conducting commercial or personal transactions. These costs can include processing fees, transaction commissions, currency conversion costs, and…

Graphics, games and extended reality

Experience

Experience refers to the practical contact with and observation of facts or events, allowing individuals to acquire knowledge and skills through direct interaction. In the context of technology…

Graphics, games and extended reality

Experience Design

Experience design in virtual reality (VR) and augmented reality (AR) refers to the process of creating interactive environments and elements that are not only functional but also engaging and…

Web and e-commerce

Experience Economy

The Experience Economy is an economic concept that focuses on creating memorable events for customers, elevating the offering of products and services to a level where the consumer experience becomes…

Graphics, games and extended reality

Experience Layer

The experience layer in augmented reality refers to the overlay of digital elements onto the physical world, creating an interactive interface that enriches the perception of the environment. This…

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