- Procedural knowledge
Procedural knowledge is the knowledge exercised in the performance of some task. See below for the specific meaning of this term in
cognitive psychologyand intellectual propertylaw.
Procedural knowledge is different from other kinds of
knowledge, such as declarative knowledge, in that it can be directly applied to a task. For instance, the procedural knowledge one uses to solve problems differs from the declarative knowledge one possesses about problem solving. In some legal systems, such procedural knowledge has been considered the intellectual propertyof a company, and can be transferred when that company is purchased.
One limitation of procedural knowledge is its job-dependence; thus it tends to be less general than declarative knowledge. For example, a computer expert might have
knowledgeabout a computer algorithm in multiple languages, or in pseudo-code, whereas a Visual Basic programmer might only know about a specific implementation of that algorithm, written in Visual Basic. Thus the 'hands-on' expertise and experience of the Visual Basic programmer might be of commercial value only to Microsoft job-shops, for example.
One advantage of procedural knowledge is that it can involve more
senses, such as hands-on experience, practice at solving problems, understanding of the limitations of a specific solution, etc. Thus procedural knowledge can frequently eclipse theory.
artificial intelligence, procedural knowledge is one type of knowledge that can be possessed by an intelligent agent. Such knowledge is often represented as a partial or complete finite-state machineor computer program. A well-known example is the Procedural Reasoning System, which might, in the case of a mobile robot that navigates in a building, contain procedures such as "navigate to a room" or "plan a path". In contrast, an AI system based on declarative knowledgemight just contain a map of the building, together with information about the basic actions that can be done by the robot (like moving forward, turning, and stopping), and leave it to a domain-independent planning algorithm to discover how to use those actions to achieve the agent's goals.
cognitive psychology, procedural knowledge is the knowledge exercised in the accomplishment of a task, and thus includes knowledge which, unlike declarative knowledge, cannot be easily articulated by the individual, since it is typically nonconscious (or tacit). For example, most individuals can easily recognize a specific face as "attractive" or a specific joke as "funny," but they cannot explain how exactly they arrived at that conclusion or they cannot provide a working definition of "attractiveness" or being "funny." This example illustrates the difference between procedural knowledge and the ordinary notion of knowing how, a distinction which is acknowledged by many cognitive psychologists (Stillings, et al. Cognitive Science: An Introduction, 2nd edition, Cambridge, MA: MIT Press, 1995, p. 396). Ordinarily, we would not say that one who is able to recognize a face as attractive is one who knows how to recognize a face as attractive. One knows how to recognize faces as attractive no more than one knows how to recognize certain arrangements of leptons, quarks, etc. as tables. Recognizing faces as attractive, like recognizing certain arrangements of leptons, quarks, etc. as tables, is simply something that one does, or is able to do. It is, therefore, an instance of procedural knowledge, though it is not an instance of know-how. Of course, both forms of knowledge are, in many cases, nonconscious. For instance, research by a cognitive psychologist Pawel Lewickihas demonstrated that procedural knowledge can be acquired by nonconscious processing of information about covariations.
Intellectual property law
intellectual propertylaw, procedural knowledge is a parcel of closely-held information relating to industrial technology, sometimes also referred to as a trade secretwhich enables its user to derive commercial benefit from it. It is a component of the intellectual property rights on its own merits in most legislations but most often accompanies the license to the right-of-use of patents or trademarks owned by the party releasing it for circumscribed use. Procedural knowledge is not however solely composed of secret information that is not in the public domain; it is a "bundled" parcel of secret and related non-secret information which would be novel to an expert in the field of its usage.
Trial and error
* [http://en.howto.wikicities.com/wiki/Main_Page Wikihowto] - a proposed Wikimedia project
* [http://www2.iro.umontreal.ca/~paquetse/cgi-bin/wiki.cgi?Help_Desk_For_Know-How_Wiki FAQ of the Know-how Wiki] for "
How to Solve It"
* [http://video.google.com/videoplay?docid=-262774490184348066 Google Video] - Will Wright's
Games Developers Conferencesenimar/lecture in March 2006about procedure vs. data, featuring his upcoming game Spore
Wikimedia Foundation. 2010.
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