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Constraint propagation
| Глоссарий по искусственному интеллекту |
Many systems have a series of constraints on the values or properties. if these can be represented by a network of relationships, the systems can propagate the local constraints throughout the system to achieve global consistency. generally, when a stable system is updated with new data or a query, the constraints can be iteratively fired to cascade through the system until the values of the system reach a stable state. see also: relaxation procedures.
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Constraint, английский
- Сдерживание (отношение события к последующей работе, из-за которого работа не может быть начата; отношение работы к последующему событию, из-за которого это событие не может совершиться)
- N 1 ограничение (син. restriction); 2 то же, что и cognitive principle functional head c~ уис один из принципов универсальной грамматики, согласно кото- рому фунциональная вершина требует нали- чия определенных признаков у своих ком- плементов 1 рассматриваемые в логике утвердительные выражения. mental ~s умственные ограничения
- The difference between a set and a subset indicating that the variety that exists under one condition is less than the variety that exists under another (after ashby). for an observer, constraints become apparent when he finds that a system can assume fewer states than are logically possible or hypothesised by him. within a cartesian product a constraint is the complement of a relation, the former contains all states excluded by the latter. information is a measure of the constraint imposed by a condition or message.
- A limitation or a restriction.
- Сдерживающий фактор
- Any restriction that occurs to the transverse contraction normally associated with a longitudinal tension, and that hence causes a secondary tension in the transverse direction.
Constraint analysis, английский
A formal method for decomposing the constraint within a whole system into several constraint within subsets of its variables, (i.e., of an ordinality lower than the original) so that the latter fully accounts for the former. constraint analysis thereby reveals the component structure of an observed system. the method, developed by ashby who stated it in set theoretical and hence qualitative terms, is now also known by the name reconstructability analysis and stated in probabilistic and hence quantitative terms (->information theory). 17
Constraint dates, английский
Constraint finish, английский
Constraint language, английский
Ограничительный язык
Constraint length, английский
Constraint logic grammar, английский
Constraint minimization, английский
Алгоритм условной минимизации
Constraint of variety, английский
Ограничение разнообразия
Constraint operator, английский
Ограничивающий оператор
Constraint reasoning, английский
See: constraint satisfaction.
Constraint satisfaction, английский
A general term for a variety of techniques used in ai and other areas of computation. constraint solving systems work with a knowledge base of constraints and include an engine to search for solutions that meet these constraints. a constraint solving system will cycle through the constraints, changing the free values in the system to meet some maximization or minimization criteria.
Constraint service, английский
A service responsible for answering hws constraints-related querying by evaluating constraint clauses that are based on facts provided by the fact store manager and the relevant fact retrievers.
Constraint shaping of the weld, английский
Constraint solving, английский
See: constraint satisfaction.
Constraint start, английский
Constraint violation, английский
- Невыполнение (заданного) ограничения (при адаптивном управлении станком, напр., превышение уставки силового параметра)
- A violation that occurs when the restriction criteria are not satisfied.
Constraint-based configuration, английский
A configuration technology that uses constraints to develop product masters and to configure distinct products.
Constraints, английский
Propagate, английский
To distribute an index from a content index server to one or more web servers for the purposes of providing search.
Properties, английский
- A dockable window that displays the properties that are set on the selected object. in most cases, the property values can be edited in the window.
- A ui element that users can click to display information about a selected object.
Relationships, английский
The lifestyle subcategory containing apps to help you with your personal relationships.
Throughout, английский
Consistency, английский
- The degree to which a semisolid material such as grease resists deformation. (see astm designation d 217.) sometimes used qualitatively to denote viscosity of liquids.
- That property of a liquid adhesive by virtue of which it tends to resist deformation
- Последовательность
- The ability of a transaction to change a system from one consistent state to another consistent state.
- The desirable property of an estimator whereby the calculated value of a parameter converges upon the true value as the sample size increases.
Relaxation, английский
- 1. the process of reducing strain in a muscle 2. the reduction of stress in a person
- Релаксация
- Stress relaxation is a gradual increase in deformation of an elastomer under constant load over time, accompanied by a corresponding reduction in stress level.
Procedures, английский
Standard, detailed steps that prescribe how to perform specific tasks.
Relationship, английский
- Отношение: соотношение; связь; взаимоотношение; взаимосвязь
- Отношение, степень родства
- A way in which someone or something is connected to another the incidence of the disease has a close relationship to the environment. he became withdrawn and broke off all relationships with his family.
- Зависимость, соотношение
- A connection between objects.
- A logical connection between entities.
- A smartart graphic layout type that includes layouts designed to illustrate connections.
- An association established between common fields (columns) in two tables. a relationship can be one-to-one, many-to-many, or one-to-many.
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Beam search, английский
Many search problems (e.g., a chess program or a planning program) can be represented by a search tree. a beam search evaluates the tree similarly to a breadth-first search, progressing level by level down the tree but only follows a best subset of nodes down the tree, prunpage 28 ing branches that do not have high scores based on their current state. a beam search that follows the best current node is also termed a best first search. see also: best first algorithm, breadth-first search.
Classification methods, английский
Methods used in data mining and related areas (statistics) to develop classification rules that can categorize data into one of several prespecified categories. a specialized form of regression, the output of the rules can be a form of membership function. it provides some measure of the likelihood that an observation belongs to each of the classes. the membership may be crisp or imprecise. an example of a crisp assignment would be a discriminant function that identifies the most likely class, implicitly setting the membership of that class to one and the others, too. an example of an imprecise membership function would be a multiple logistic regression or a classification and regression trees (cart) tree, which specifies a probability of membership for many classes. see also: data mining, knowledge discovery in databases.
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