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Concept
Concept map
Summary
A concept map or conceptual diagram is a diagram that depicts suggested relationships between concepts. Concept maps may be used by instructional designers, engineers, technical writers, and others to organize and structure knowledge.
A concept map typically represents ideas and information as boxes or circles, which it connects with labeled arrows, often in a downward-branching hierarchical structure but also in free-form maps. The relationship between concepts can be articulated in linking phrases such as "causes", "requires", "such as" or "contributes to".
The technique for visualizing these relationships among different concepts is called concept mapping. Concept maps have been used to define the ontology of computer systems, for example with the object-role modeling or Unified Modeling Language formalism.
Topic maps: Both concept maps and topic maps are kinds of knowledge graph, but topic maps were developed by information management professionals for semantic interoperability of data (originally for book indices), whereas concept maps were developed by education professionals to support people's learning. In the words of concept-map researchers Joseph D. Novak and Bob Gowin, their approach to concept mapping is based on a "learning theory that focuses on concept and propositional learning as the basis on which individuals construct their own idiosyncratic meanings".
Mind maps: Both concept maps and topic maps can be contrasted with mind mapping, which is restricted to a tree structure. Concept maps can be more free-form, as multiple hubs and clusters can be created, unlike mind maps, which emerge from a single center.
Concept mapping was developed by the professor of education Joseph D. Novak and his research team at Cornell University in the 1970s as a means of representing the emerging science knowledge of students. It has subsequently been used as a way to increase meaningful learning in the sciences and other subjects as well as to represent the expert knowledge of individuals and teams in education, government and business.
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