Repository of the final project of my degree. This repository contain implemantation of the Symbolic Behavior Recognition based on "Fast and Complete Symbolic Plan Recognition. Dorit Avrahami-Zilberbrand and Gal A. Kaminka. (IJCAI-05)" and "Fast and Complete Symbolic Plan Recognition: Allowing for Duration, Interleaved Execution, and Lossy Observations. Dorit Avrahami-Zilberbrand and Gal A. Kaminka and Hila Zarosim.(MOO-05)"