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ch8_doc_management

ch8_doc_management - Chapter 8 Document and Knowledge...

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Chapter 8 Document and Knowledge Management Objectives: • Students will understand the fundamentals and examples of document and knowledge management in construction. 1
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1.1 What is Knowledge? There are many definitions of ‘ knowledge ’. Some have broad coverage with vague sociological definitions while others are very restrictive. Note that dictionary definitions may not be completely compatible with the definitions. 1. Data Æ Information (processed data) Æ Knowledge (evolution / know-how based on our experience, jurisdiction, judgment; a result of learning) 2. Knowledge is part of information. Information is a “class” that includes data and knowledge. Data are facts about something. For example, this car is red; that building has five stories; the temperature is 20°C; his name is Paul, etc. These are attribute-value pairs. 2
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1.1 What is Knowledge? (Definition 2) Knowledge is created by expressing relationships between data. Following are examples of possible links. classification (this car is a kind of vehicle) compositional (this building is part of a school) empirical (the exchange rate is HKD $0.129/USD$) physical principles (F=m·a) Knowledge can also be semantic (Paul is the name of a boy) heuristic (very long bridges are suspension bridges) causal (if the temperature is 100°C then water boils) 3
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