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Наименование:

A Memetic Algorithm for ILP Genetic Relational Search for Inductive Concept Learning.

Формат:      Страниц 192
     мягкая обложка
Автор:
Federico D.    
Издательство:
Книга по Требованию    
Год:2010
Цена:
2626 руб
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ECL relies on four greedy mutation operators for searching the hypothesis space, and employs an optimization phase that follows each mutation. When FOL hypotheses are used, this complexity is combined with the complexity of evaluating hypotheses. This problem is NP-hard even if the language to represent hypotheses is propositional logic. Experimental results show that ECL works well in practice. The algorithm, called ECL (for Evolutionary Concept Learner), evolves a population of Horn clauses by repeated selection, mutation and optimization of more fit clauses. Learning can be viewed as a search problem in the space of all possible hypotheses. This book describes an evolutionary algorithm for ILP. Given a background knowledge, a set of positive examples and a set of negative examples, expressed in First Order Logic, one has to find a hypothesis which covers all positive examples and none of the negative ones. Learning from examples in First Order Logic, also known as Inductive Logic Programming (ILP), constitutes a central topic in Machine Learning, with relevant applications to problems in complex domains, e. g. , natural language and computational biology.
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Шприц для печенья «Домашняя кондитерская» — инструмент, который облегчает и ускоряет процесс приготовления бисквитов, пряников и т. д. Он
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Мемо "Загадки дикой природы".
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Раздел: Внимание, память, логика

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Получив запрос, монитор обрабатывает его. Если не произошло ошибок, ждёт запроса от программы на отправку программе результата. На диске сервера хранится БД, модифицируемая по запросу клиента. Технический проект структуры ПО ПТК. Программа логически разделена на несколько модулей. Ниже приведено краткое описание модулей и функций, содержащихся в них. Модуль pi people. Основная часть программы. Этот модуль вызывается при начале работы. Доступ к нему разрешён всем пользователям. Содержит рад подпрограмм общего назначения: se up- функция первоначальной настройки. Определение, какой пользователь подключён и что разрешено ему видеть se mode- установка режима работы, т.е. что дальше будет делать программа - искать, модифицировать или удалять информацию из БД co ec db- подключение к нужной БД через монитор. В случае ошибки - аварийное завершение prepare sql- подготовка SQL- запроса к БД ha dler- обработчик аварийных сигналов Модуль h ml ou pu . Содержит подпрограммы вывода форм, форматирования и вывода результатов в формате H ML, приёма и обработки информации от пользователя. pri form- По установленному режиму вызвать функцию вывода той или иной формы search form- вывод формы для поиска modify form- вывод формы для модификации del form- вывод формы для удаления pri resul - выдача результата good bye- выдача сообщения об аварийном завершении программы Модуль Pg dbi.


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