Vlachos, M., Gunopulos, D., Kollios, G.: Robust Similarity Measures for Mobile Object Trajectories. Proc. of DEXA Workshops. (2002) 721-728 Home/Search Document Details and Download
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Learning Similarity with Fuzzy Functions of Adaptable.. - Mountrakis, Agouris (2003) (Correct)
....similarity relations between a query and a stored metric attribute we use a modified sigmoidal fuzzy relationship function. Sigmoidal functions are popular in the neural network community and have been used in the GIS field as predefined similarity functions for spatiotemporal trajectory matching [17]. Our similarity function is composed by two separate sigmoidal functions to compensate for asymmetrical cases. The similarity function Sim( for a database value X DB compared to a query value X Q is: L L DB Q L L DB Q L DB Q X a R R DB Q R R DB Q R DB Q ....
Vlachos, M., Gunopulos, D., Kollios, G.: Robust Similarity Measures for Mobile Object Trajectories. Proc. of DEXA Workshops. (2002) 721-728
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