projects
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projects [2013/10/15 02:29] pszwed created |
projects [2013/10/15 02:53] pszwed [Fuzzy Semantic Petri Nets] |
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| + | ===== Fuzzy Semantic Petri Nets ===== | ||
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| + | Fuzzy Semantic Petri Nets (FSPN) are Petri nets coupled with an underlying fuzzy ontology. | ||
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| + | *The fuzzy ontology stores facts about a development of certain complex event (or process). They are expresses as fuzzy unary or binary relations between participating objects. The ontology ABox is updated with new observations. | ||
| + | *The Petri net defines a scenario of an event, its places correspond to the scenario steps | ||
| + | *Tokens in FSPN represent combinations of objects participating in the event. They are attributed with weights expressing likelihood of a scenario step occurrence | ||
| + | *Guards in FSPN are conjunctions of fuzzy predicates referencing the coupled ontology | ||
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| + | FSPN were applied to the problem of video event recognition. In the presented example an abandonned laguagge is correctly detected. | ||
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| + | <html> | ||
| + | <iframe width="560" height="315" src="//www.youtube.com/embed/_hArl9i20TY" frameborder="0" allowfullscreen></iframe> | ||
| + | </html> | ||
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projects.txt ยท Last modified: 2014/07/07 14:55 (external edit)
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