الفهرس 
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Abstract
This research attempts to develop, examine and refine an analytical conceptual model for the most common intelligent building control systems, and set the relative importance for each critical selection criteria in order to choose the optimal decisions.
The rapid development of scientific and technological innovations presents a variety of intelligent building (IB) components in the market, decision makers are confronted by choosing the optimal components or products to fulfil the needs, because the wrong selection of building elements can cause serious problems associated with efficiency and building functionality which will not be easy to correct later on. Moreover, previous evaluation methods are limited to the assessment of the overall intelligence of the intelligent building, without examining the degree of intelligence of each element in the building control systems.
Therefore, ”the Analytical Hierarchy Process” assessment method offers a logical and practical framework to solve this problem; it aims at handling a large number of decision factors and providing a systematic procedure for ranking the alternatives from the best to the worst by performing two consecutive surveys. These surveys try to answer important questions; what the critical selection criteria intelligence indicators are? And how much strength these criteria and indicators have?
The study findings emphasize that the intelligent office building according to Egypt
. circumstances from the occupants vision and needs is ”The use of integrated & managed building systems, communications, access controls and infrastructure to create a building that ensures work efficiency, achieves safety, enhances user comfort, and cost effectiveness whether purely technological or not”.