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WebDia is a service manual, a help desk and a diagnostic tool on the Web. Technically, it consists of a Web server and a PC or hand-held computer with an Internet connection, or a WAP mobile phone. The idea is that the server computer shares its resources and knowledge with the user. Diagnostic decisions suggested by the server are based on observations(More)
Diagnosing a heating system may turn out to be necessary even for an ordinary customer, like a residential building owner or a facility manager. The need is usually triggered by a technical problem in the system. The customer wants to know how to solve or handle the problem. This paper presents a Web-based information system, called WebDia, which is(More)
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