Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Abstract This document describes an Exten...

The paper proposes a building equipment communications network based on a federation of existing standards and communications protocols. The proposed network concept provides a viable model for control manufacturers to provide advanced digital control of most building equipment. Keywordsbuilding equipment; lighting controls; networking; BACnet; IEEE P1451; IBECS; DALI; building controls; commun...

The paper presents an evaluation of a specification for metadata for learning objects and platforms developed for web, digital TV and mobile devices. For this, we present the two most widely used specifications, IEEE LOM and Dublin Core, and specification OBAA. The evaluation was divided into two stages, the first with expert and the second with professors. The results of the first are presente...

The agent technology provides a new way to design and engineer control solutions based on the decentralization of control over distributed structures, addressing the current requirements for modern control systems in industrial domains. This paper presents the current situation of the development and deployment of agent technology, discussing the initiatives and the current trends faced for a w...

Among 17786 karyotyres performed in our center,during 18 years (1357-1375),1300(7.3%) cases of chromosome 21 aberration,including 1284(98.77%) of Down syndrome have been detected.1191 of cases (92.76%) born free trisomy 21:61 cases (4.75%) revealed translocation and 32 cases (2.4%) showed mosaic pattern.among the pateints,59 had robertsonian translocation,2 had translocation between chromosome ...