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2022 ◽  
Vol 93 ◽  
pp. 106728
Author(s):  
Yi Zhang ◽  
Guangzheng Wang ◽  
Qi Zhang ◽  
Yijun Ji ◽  
He Xu

2022 ◽  
Vol 13 (1) ◽  
pp. 1-22
Author(s):  
Hongting Niu ◽  
Hengshu Zhu ◽  
Ying Sun ◽  
Xinjiang Lu ◽  
Jing Sun ◽  
...  

Recent years have witnessed the rapid development of car-hailing services, which provide a convenient approach for connecting passengers and local drivers using their personal vehicles. At the same time, the concern on passenger safety has gradually emerged and attracted more and more attention. While car-hailing service providers have made considerable efforts on developing real-time trajectory tracking systems and alarm mechanisms, most of them only focus on providing rescue-supporting information rather than preventing potential crimes. Recently, the newly available large-scale car-hailing order data have provided an unparalleled chance for researchers to explore the risky travel area and behavior of car-hailing services, which can be used for building an intelligent crime early warning system. To this end, in this article, we propose a Risky Area and Risky Behavior Evaluation System (RARBEs) based on the real-world car-hailing order data. In RARBEs, we first mine massive multi-source urban data and train an effective area risk prediction model, which estimates area risk at the urban block level. Then, we propose a transverse and longitudinal double detection method, which estimates behavior risk based on two aspects, including fraud trajectory recognition and fraud patterns mining. In particular, we creatively propose a bipartite graph-based algorithm to model the implicit relationship between areas and behaviors, which collaboratively adjusts area risk and behavior risk estimation based on random walk regularization. Finally, extensive experiments on multi-source real-world urban data clearly validate the effectiveness and efficiency of our system.


2022 ◽  
Vol 15 ◽  
Author(s):  
Krissy A. Lyon ◽  
Nicola J. Allen

Astrocytes are non-neuronal cells that regulate synapses, neuronal circuits, and behavior. Astrocytes ensheath neuronal synapses to form the tripartite synapse where astrocytes influence synapse formation, function, and plasticity. Beyond the synapse, recent research has revealed that astrocyte influences on the nervous system extend to the modulation of neuronal circuitry and behavior. Here we review recent findings on the active role of astrocytes in behavioral modulation with a focus on in vivo studies, primarily in mice. Using tools to acutely manipulate astrocytes, such as optogenetics or chemogenetics, studies reviewed here have demonstrated a causal role for astrocytes in sleep, memory, sensorimotor behaviors, feeding, fear, anxiety, and cognitive processes like attention and behavioral flexibility. Current tools and future directions for astrocyte-specific manipulation, including methods for probing astrocyte heterogeneity, are discussed. Understanding the contribution of astrocytes to neuronal circuit activity and organismal behavior will be critical toward understanding how nervous system function gives rise to behavior.


2022 ◽  
Vol 65 ◽  
pp. 102889
Author(s):  
Debarun Chakraborty ◽  
Aaliyah Siddiqui ◽  
Mujahid Siddiqui ◽  
Fatmah Mohmmad H Alatawi

PERSPEKTIF ◽  
2022 ◽  
Vol 11 (1) ◽  
pp. 318-333
Author(s):  
Marfin Lawalata ◽  
Jino Tehusalawane ◽  
Misco Tamaela ◽  
Marlon Stivo Noya van Delzen ◽  
Felecia P Adam

The purpose of this study was to determine the determinants of the factors causing the high Fertility Rate (TFR), rs that affect the number of children born alive. The data used is SKAP data in 2019, with a respondent of women of childbearing age aged 15-49 years. With the model used is binary logistic regression analysis. The results showed that 12 variables had a significant relationship with live births. Child mortality is the most dominant variable that has a significant effect on the number of children born alive, Recommendations that can be given from the results of this study are to increase the supervision of the Health Office related to strengthening institutional capacity through counseling / communication, information, and education through postponement of marriage age and first birth age programs. first age relationship and education about early childhood sex through adolescent reproductive health counseling in order to increase knowledge, attitudes, and behavior of families and communities to create a quality family.


Carbon ◽  
2022 ◽  
Vol 188 ◽  
pp. 544
Author(s):  
Wei-Hua WANG ◽  
Yang WANG ◽  
Guo-Yang SHU ◽  
Shi-Shu Fang ◽  
Jie-Cai Han ◽  
...  

2022 ◽  
Vol 139 ◽  
pp. 105106
Author(s):  
Cai Y. Tao ◽  
Jada Z. Harley ◽  
Savannah L. Spencer ◽  
Rachel E. Cohen

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