Action model learning has become a hot topic in knowledge engineering for automated planning.A key problem for learning action models is to analyze state changes before and after action executions from observed"p...Action model learning has become a hot topic in knowledge engineering for automated planning.A key problem for learning action models is to analyze state changes before and after action executions from observed"plan traces".To support such an analysis,a new approach is proposed to partition propositions of plan traces into states.First,vector representations of propositions and actions are obtained by training a neural network called Skip-Gram borrowed from the area of natural language processing(NLP).Then,a type of semantic distance among propositions and actions is defined based on their similarity measures in the vector space.Finally,k-means and k-nearest neighbor(kNN)algorithms are exploited to map propositions to states.This approach is called state partition by word vector(SPWV),which is implemented on top of a recent action model learning framework by Rao et al.Experimental results on the benchmark domains show that SPWV leads to a lower error rate of the learnt action model,compared to the probability based approach for state partition that was developed by Rao et al.展开更多
Xi Jinping Thought on Diplomacy,as an important integral part of Xi Jinping Thought on Socialism with Chinese Characteristics for the New Era,provides the fundamental rules and a guide to action for China’s dip...Xi Jinping Thought on Diplomacy,as an important integral part of Xi Jinping Thought on Socialism with Chinese Characteristics for the New Era,provides the fundamental rules and a guide to action for China’s diplomatic work in the new era.Coming into being and developed against the background of historic changes occurring to China’s relations with the rest of the world,Xi Jinping Thought on Diplomacy mainly includes a series of concepts,propositions and proposals on Chinese diplomacy.展开更多
In recent years,Tao Xingzhi’s education thoughts have received more and more attention.Tao Xingzhi’s education thoughts manifest his life education theory,and it mostly embodies his teaching thoughts with learner-or...In recent years,Tao Xingzhi’s education thoughts have received more and more attention.Tao Xingzhi’s education thoughts manifest his life education theory,and it mostly embodies his teaching thoughts with learner-oriented and unity of teaching,learning,and doing concluded.From Habermas’communication action theory,Tao Xingzhi’s education thoughts are of important contemporary social significance.Tao Xingzhi’s education thoughts enlighten us that education needs to achieve universal cultural identity,education needs to create a good social life order,and education needs to promote the perfect development of personality.展开更多
基金Supported by the National Natural Science Foundation of China(61103136,61370156,61503074)Open Research Foundation of Science and Technology on Aerospace Flight Dynamics Laboratory(2014afdl002)
文摘Action model learning has become a hot topic in knowledge engineering for automated planning.A key problem for learning action models is to analyze state changes before and after action executions from observed"plan traces".To support such an analysis,a new approach is proposed to partition propositions of plan traces into states.First,vector representations of propositions and actions are obtained by training a neural network called Skip-Gram borrowed from the area of natural language processing(NLP).Then,a type of semantic distance among propositions and actions is defined based on their similarity measures in the vector space.Finally,k-means and k-nearest neighbor(kNN)algorithms are exploited to map propositions to states.This approach is called state partition by word vector(SPWV),which is implemented on top of a recent action model learning framework by Rao et al.Experimental results on the benchmark domains show that SPWV leads to a lower error rate of the learnt action model,compared to the probability based approach for state partition that was developed by Rao et al.
文摘Xi Jinping Thought on Diplomacy,as an important integral part of Xi Jinping Thought on Socialism with Chinese Characteristics for the New Era,provides the fundamental rules and a guide to action for China’s diplomatic work in the new era.Coming into being and developed against the background of historic changes occurring to China’s relations with the rest of the world,Xi Jinping Thought on Diplomacy mainly includes a series of concepts,propositions and proposals on Chinese diplomacy.
文摘In recent years,Tao Xingzhi’s education thoughts have received more and more attention.Tao Xingzhi’s education thoughts manifest his life education theory,and it mostly embodies his teaching thoughts with learner-oriented and unity of teaching,learning,and doing concluded.From Habermas’communication action theory,Tao Xingzhi’s education thoughts are of important contemporary social significance.Tao Xingzhi’s education thoughts enlighten us that education needs to achieve universal cultural identity,education needs to create a good social life order,and education needs to promote the perfect development of personality.