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Maria R. Look-up and Access Control Issues. Context Aware Service Delivery: Incorporating Semantics-based Search and Policy-based Access Control Mechanism for Service Delivery in Context Aware Environments

Наименование:

Look-up and Access Control Issues. Context Aware Service Delivery: Incorporating Semantics-based Search and Policy-based Access Control Mechanism for Service Delivery in Context Aware Environments

Автор:

мягкая обложка
80 страниц
2010 год

Издательство:

Книга по Требованию

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2005 руб

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Описание:

Various attributes of a user’s context dictate the relevance of services that may belong to diverse domains. Due to the diversity, magnitude and nature of the contextual information, a context-based service delivery mechanism is required that not only identifies the most appropriately matching services for the interested clients in a given context, but can also ensure the confidentiality of contextual information by restricting access to unauthorized clients. Ignoring the semantics and context of the user' s query in the service-matching process can lead to low precision results with less or no relevance to the query at all. A context aware system can easily become invasive from pervasive if access to information is not closely monitored. The security requirements of the system are dynamic and change with the changing context. A two-pronged approach is proposed in this thesis to facilitate discovery of most relevant services without violating access restrictions (i) semantics-based search with context-based filtering for service look-up and (ii) dynamic policies and implicit context credentials for access control.

Orthomol Immun Junior Сила иммунитета на страже Вашего ребенка

Orthomol Immun Junior Сила иммунитета на страже Вашего ребенка

2990 руб
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Справочник по реестру Windows XP

Тип: REGDWORD; Значение: (по умолчанию = 100) HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters\\SampleRate Корректировка нормы регенерации порта мыши PS2. Вы когда-либо замечали, как курсор Вашей мыши иногда мерцает, или не работает так гладко как курсор мыши на Macintosh? Дело в том, что норма регенерации для порта установлена слишком низкая. Измените этот параметр, чтобы сделать перемещение Вашего курсора мыши более гладким. Тип: REGDWORD; Значение: (0 200; по умолчанию = 60, где большее число соответствует более гладкому курсору) HKEY_CURRENT_USER\Control Panel\Mouse\\SnapToDefaultButton Можно добиться автоматического перемещения курсора мыши на активную, по умолчанию кнопку, любого всплывающего диалогового окна. Тип:REG_SZ Значение: (0 = отключить; 1 = включить) HKEY_CURRENT_USER\Control Panel\Accessibility\HighContrast\\Flags Тип: REGSZ; Значение: (по умолчанию = 126) HKEY_CURRENT_USER\Control Panel\Accessibility\Keyboard Preference\\On Если пользователь работает только на клавиатуре, данный параметр позволяет включить показ быстрых клавиш в некоторых приложениях, которые могут быть скрыты ...»

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Look-up and Access Control Issues. Context Aware Service Delivery: Incorporating Semantics-based Search and Policy-based Access Control Mechanism for Service Delivery in Context Aware Environments Maria R. [url=http://www.booksiti.net.ru/books/14560075][img]http://www.booksiti.net.ru/books/14560075.jpg[/img][/url]

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Look-up and Access Control Issues. Context Aware Service Delivery: Incorporating Semantics-based Search and Policy-based Access Control Mechanism for Service Delivery in Context Aware Environments Maria R. http://www.booksiti.net.ru/books/14560075

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