Papers
1
Total Citations
150
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1
About
Sanghoo Park is a leading figure in discrete event systems and operations research, best known for pioneering the modeling of time window constraints through an innovative extension of Petri nets. His seminal 2005 work, “An Extended Event Graph With Negative Places and Tokens for Time Window Constraints,” has garnered over 150 citations, establishing a foundational framework for analyzing systems where timing restrictions are critical. In this research, Park introduced the concept of a negative event graph (NEG), incorporating places with negative holding times and tokens with negative counts, along with revised enabling and firing rules. This breakthrough allows for the precise representation and analysis of time window constraints—a challenge previously difficult to address in conventional timed event graphs. His contributions have had a lasting impact on fields such as manufacturing scheduling, transportation logistics, and real-time computing, where strict temporal deadlines are essential. Park’s work is widely recognized for bridging theoretical rigor with practical applicability, making him a key reference for researchers and students exploring advanced modeling techniques in discrete event dynamics.
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Top Papers
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