The introduction of new technologies has increased communication network coverage and the number of associating nodes in dynamic communication networks(DCN).As the network has the characteristics like decentralized an...The introduction of new technologies has increased communication network coverage and the number of associating nodes in dynamic communication networks(DCN).As the network has the characteristics like decentralized and dynamic,few nodes in the network may not associate with other nodes.These uncooperative nodes also known as selfish nodes corrupt the performance of the cooperative nodes.Namely,the nodes cause congestion,high delay,security concerns,and resource depletion.This study presents an effective selfish node detection method to address these problems.The Price of Anarchy(PoA)and the Price of Stability(PoS)in Game Theory with the Presence of Nash Equilibrium(NE)are discussed for the Selfish Node Detection.This is a novel experiment to detect selfish nodes in a network using PoA.Moreover,the least response dynamic-based Capacitated Selfish Resource Allocation(CSRA)game is introduced to improve resource usage among the nodes.The suggested strategy is simulated using the Solar Winds simulator,and the simulation results show that,when compared to earlier methods,the new scheme offers promising performance in terms of delivery rate,delay,and throughput.展开更多
The potential energy curves （PECs） of X2∑ and A2П states of the CN molecule have been calculated with the multi- reference configuration interaction method and the aug-cc-pwCVSZ basis set. Based on the PECs, all o...The potential energy curves （PECs） of X2∑ and A2П states of the CN molecule have been calculated with the multi- reference configuration interaction method and the aug-cc-pwCVSZ basis set. Based on the PECs, all of the vibrational and rotational levels of the 13C14N molecule are obtained by solving the Schrrdinger equation of the molecular nuclear motion. The spectroscopic parameters are determined by fitting the Dunham coefficients with the levels. Both the levels and the spectroscopic parameters are in good qualitative agreement with the experimental data available. The analytical potential energy functions are also deduced from the calculated PECs. The present results can provide a helpful reference for future spectroscopy experiments or dynamical calculations of the molecule.展开更多
[目的]研究无监督词性标注模型在低资源语言上的性能表现.[方法]尝试利用无监督词性标注模型,包括高斯隐马尔科夫模型(Gaussian HMM,GHMM)、最大化互信息模型(mutual information maximization, MIM)与条件随机场自编码器(conditional r...[目的]研究无监督词性标注模型在低资源语言上的性能表现.[方法]尝试利用无监督词性标注模型,包括高斯隐马尔科夫模型(Gaussian HMM,GHMM)、最大化互信息模型(mutual information maximization, MIM)与条件随机场自编码器(conditional random filed autoencoder, CRF-AE),展开低资源词性标注实验.基于对前人工作的凝练,在英文宾州树库上设置了少样本和词典标注两种低资源场景.[结果]无监督词性标注模型能够在少样本场景中超越条件随机场模型,但在词典标注场景中却始终逊色于条件随机场模型.[结论]无监督损失更加擅长对高频词进行建模,使得模型在少样本场景下获得更好的性能表现;同时无监督损失倾向于生成更加均匀的词性分布,从而降低模型在词典标注场景下的性能.展开更多
文摘The introduction of new technologies has increased communication network coverage and the number of associating nodes in dynamic communication networks(DCN).As the network has the characteristics like decentralized and dynamic,few nodes in the network may not associate with other nodes.These uncooperative nodes also known as selfish nodes corrupt the performance of the cooperative nodes.Namely,the nodes cause congestion,high delay,security concerns,and resource depletion.This study presents an effective selfish node detection method to address these problems.The Price of Anarchy(PoA)and the Price of Stability(PoS)in Game Theory with the Presence of Nash Equilibrium(NE)are discussed for the Selfish Node Detection.This is a novel experiment to detect selfish nodes in a network using PoA.Moreover,the least response dynamic-based Capacitated Selfish Resource Allocation(CSRA)game is introduced to improve resource usage among the nodes.The suggested strategy is simulated using the Solar Winds simulator,and the simulation results show that,when compared to earlier methods,the new scheme offers promising performance in terms of delivery rate,delay,and throughput.
基金supported by the National Natural Science Foundation of China(Grant Nos.11174117 and 11374132)the Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province,China
文摘The potential energy curves （PECs） of X2∑ and A2П states of the CN molecule have been calculated with the multi- reference configuration interaction method and the aug-cc-pwCVSZ basis set. Based on the PECs, all of the vibrational and rotational levels of the 13C14N molecule are obtained by solving the Schrrdinger equation of the molecular nuclear motion. The spectroscopic parameters are determined by fitting the Dunham coefficients with the levels. Both the levels and the spectroscopic parameters are in good qualitative agreement with the experimental data available. The analytical potential energy functions are also deduced from the calculated PECs. The present results can provide a helpful reference for future spectroscopy experiments or dynamical calculations of the molecule.
文摘[目的]研究无监督词性标注模型在低资源语言上的性能表现.[方法]尝试利用无监督词性标注模型,包括高斯隐马尔科夫模型(Gaussian HMM,GHMM)、最大化互信息模型(mutual information maximization, MIM)与条件随机场自编码器(conditional random filed autoencoder, CRF-AE),展开低资源词性标注实验.基于对前人工作的凝练,在英文宾州树库上设置了少样本和词典标注两种低资源场景.[结果]无监督词性标注模型能够在少样本场景中超越条件随机场模型,但在词典标注场景中却始终逊色于条件随机场模型.[结论]无监督损失更加擅长对高频词进行建模,使得模型在少样本场景下获得更好的性能表现;同时无监督损失倾向于生成更加均匀的词性分布,从而降低模型在词典标注场景下的性能.
