random model - определение. Что такое random model
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Что (кто) такое random model - определение

ORACLE THAT RESPONDS TO EVERY UNIQUE QUERY WITH A (TRULY) RANDOM RESPONSE CHOSEN UNIFORMLY FROM ITS OUTPUT DOMAIN
Random oracle model
Найдено результатов: 3760
Random effects model         
TYPE OF STATISTICAL MODEL
Random effects estimation; Random effects estimator; Random-effects models; Random-effect model; Random effect model; Variance components model; Variance components; Random effects; Random effect; Variance component; Random-effects meta-analysis
In statistics, a random effects model, also called a variance components model, is a statistical model where the model parameters are random variables. It is a kind of hierarchical linear model, which assumes that the data being analysed are drawn from a hierarchy of different populations whose differences relate to that hierarchy.
Random waypoint model         
Random direction model
In mobility management, the random waypoint model is a random model for the movement of mobile users, and how their location, velocity and acceleration change over time. Mobility models are used for simulation purposes when new network protocols are evaluated.
Random energy model         
Random Energy Model
In the statistical physics of disordered systems, the random energy model is a toy model of a system with quenched disorder, such as a spin glass, having a first-order phase transition.Marc Mezard, Andrea Montanari, Chapter 5, The Random Energy Model, Information, Physics, Computation, (2009) Oxford University Press.
Random surfing model         
GRAPH MODEL OF WEB PAGES SIMILAR TO MARKOV CHAINS
Draft:Random Surfing Model; Random Surfing Model
The random surfing model is a graph model which describes the probability of a random user visiting a web page. The model attempts to predict the chance that a random internet surfer will arrive at a page by either clicking a link or by accessing the site directly, for example by directly entering the website's URL in the address bar.
Random oracle         
In cryptography, a random oracle is an oracle (a theoretical black box) that responds to every unique query with a (truly) random response chosen uniformly from its output domain. If a query is repeated, it responds the same way every time that query is submitted.
Maximum-entropy random graph model         
Draft:Maximum-entropy random graph model
Maximum-entropy random graph models are random graph models used to study complex networks subject to the principle of maximum entropy under a set of structural constraints, which may be global, distributional, or local.
Restricted random waypoint model         
SIMULATION OF WIRELESS NETWORK USERS
Draft:Restricted Random Waypoint
In mobility management, the restricted random waypoint model is a random model for the movement of mobile users, similar to the random waypoint model, but where the waypoints are restricted to fall within one of a finite set of sub-domains. It was originally introduced by Blaževic et al.
Exponential family random graph models         
STATISTICAL MODELS FOR NETWORK ANALYSIS
Exponential random graph model; Exponential random graph models
Exponential family random graph models (ERGMs) are a family of statistical models for analyzing data from social and other networks. Examples of networks examined using ERGM include knowledge networks, organizational networks, colleague networks, social media networks, networks of scientific development, and others.
Filters, random fields, and maximum entropy model         
Draft:FRAME (Filters, Random fields, And Maximum Entropy) model; FRAME model
In the domain of physics and probability, the filters, random fields, and maximum entropy (FRAME) model is a Markov random field model (or a Gibbs distribution) of stationary spatial processes, in which the energy function is the sum of translation-invariant potential functions that are one-dimensional non-linear transformations of linear filter responses. The FRAME model was originally developed by Song-Chun Zhu, Ying Nian Wu, and David Mumford for modeling stochastic texture patterns, such as grasses, tree leaves, brick walls, water waves, etc.
Random algebra         
MATHEMATICAL THEORY
Random forcing; Random real algebra; Random real
In set theory, the random algebra or random real algebra is the Boolean algebra of Borel sets of the unit interval modulo the ideal of measure zero sets. It is used in random forcing to add random reals to a model of set theory.

Википедия

Random oracle

In cryptography, a random oracle is an oracle (a theoretical black box) that responds to every unique query with a (truly) random response chosen uniformly from its output domain. If a query is repeated, it responds the same way every time that query is submitted.

Stated differently, a random oracle is a mathematical function chosen uniformly at random, that is, a function mapping each possible query to a (fixed) random response from its output domain.

Random oracles as a mathematical abstraction were first used in rigorous cryptographic proofs in the 1993 publication by Mihir Bellare and Phillip Rogaway (1993). They are typically used when the proof cannot be carried out using weaker assumptions on the cryptographic hash function. A system that is proven secure when every hash function is replaced by a random oracle is described as being secure in the random oracle model, as opposed to secure in the standard model of cryptography.