Extracting Hierarchical Relationship of Scientific and Technical Terms from Unstructured Text

2015 ◽  
Vol 12 (14) ◽  
pp. 5235-5246
Author(s):  
Hongqi Han
2019 ◽  
Vol 17 (1) ◽  
pp. 1
Author(s):  
Muhammad Nasir

Regional economy explains that there is an urban hierarchical relationship, cities that have higher hierarchy will serve cities that are below it as well as cities that are in the hierarchy undersupplying cities that are in the hierarchy above them, so there is a gravitational relationship between the two. This study aims to determine the gravitational relationship of Medan city to the hinterland of the city of Binjai. Furthermore, this study also wants to explain its influence on economic growth in both cities. This analysis tools used are descriptive statistics, gravity models, unit root test, co-integration test, optimal lag, VECM, Granger causality test, impulse response function, and variance decomposition. The results showed that the city of Medan has a gravity style greater than the gravitational style of the city of Binjai. The VECM estimation results show that the gravitational variable in the city of Binjai in lag -1 and lag-2 has a positive and significant effect on the economy of Medan city. Then the economic variable of the city of Binjai itself in lag-1, the population of the city of Medan in lag-2 and the gravity of the city of Medan in lag-2 had a positive and significant effect on the economy of Binjai city. While the variable population of Binjai city in lag -1 and residents of the city of Medan in lag -1 negatively affected the economy of Binjai city.


2014 ◽  
Vol 986-987 ◽  
pp. 512-515
Author(s):  
Hai Tao YUE ◽  
Xiao Bao Yu ◽  
Pu Yu He ◽  
Hai Bo Liu ◽  
Wen Yan Liu ◽  
...  

The ISM model is applied to the influencing factors risk analysis of grid operational performance. The research constructed multilevel hierarchical structure diagram by the association between various factors and reflected the hierarchical relationship of the index intuitively. Select a large driving force factors as the core influencing factors and develop a risk prediction radar diagram to provide a theoretical basis for grid operational performance improving. A provincial power grid company provides the data for empirical analysis to explore the applicability of the model.


Retos ◽  
2019 ◽  
pp. 70-77
Author(s):  
Luis Moral Moreno ◽  
Vicente Martínez de Haro ◽  
Francisco Miguel Tobal

Introducción. El estudio analizó los niveles de actividad física cardiosaludable (AFCS) de los escolares de primaria en la jornada escolar y la jerarquía de factores predictores de dicha conducta activa. Metodología. Estudio transversal, prospectivo, correlacional e inferencial. Se recabaron datos de diferente naturaleza (fenotipo sexual, tipología ponderal, resistencia cardiaca, capacidad aeróbica, expresividad emocional y social, ansiedad-rasgo, tipología sociométrica, nivel de sedentarismo, tipo de centro y jornada) en un total de 58 sujetos (32 niños y 26 niñas) (12 años) de 24 centros. Tras registrar la FC durante 5 jornadas escolares, se analizó el tiempo invertido en AFCS en FC ≥50% FC de reserva. Posteriormente, se aplicó análisis correlacional y técnica árbol de decisiones determinando la relación jerárquica de rasgos predictores de AFCS (α= 0,05). Resultados y conclusiones. Los varones alcanzarían en el recreo más AFCS que las niñas (p min/sem =0,03; p% tiempo/sem =0,02). Los chicos populares acumularían más AFCS que el resto (R2=38,85). Los escolares con una resistencia aeróbica inferior a la media acumularían más AFCS en Ed. Física que el resto (R2=8,39). Quienes muestran índices intermedios de expresividad emocional alcanzarían más AFCS que el resto en Ed. Artística y otras actividades escolares minoritarias, donde los introvertidos “activos y muy activos” alcanzarían más AFCS que los introvertidos “poco activos y sedentarios” (R2=30,09). El supuesto ecológico es insuficiente para explicar el nivel de AFCS de los escolares durante la jornada escolar.Abstract. Introduction. The study analyzed the levels of cardio-healthy physical activity (CHPA) of elementary school children in the school day and the hierarchy of predictive factors. Methodology. A cross-sectional, prospective, correlational, and inferential study. Fifty-eight children (32 boys and 26 girls) (11.88 ± 0.32 years) enrolled in 24 schools provided data of sexual phenotype, weight type, cardiac endurance, aerobic capacity, social and emotional expressiveness, anxiety, sociometric type, sedentary level, type of center, and school day. After registering the subjects’ heart rate with Polar® monitors for 5 consecutive school days, the CHPA was analyzed (time spent in an effort of ≥50% HR reserve). Subsequently, correlational analysis and decision tree technique were carried out to determine the hierarchical relationship of CHPA predictive factors (α = 0.05). Results and conclusions. Boys would reach more CHPA than girls at recess (pmin/sem = 0.03; p% time/sem = 0.02). Among the former, the popular ones would accumulate more CHPA than the rest (R2= 38.85). Schoolchildren with lower aerobic endurance would accumulate more CHPA in Physical Education than the rest (R2= 8.39). Those who show intermediate rates of emotional expressiveness would achieve more CHPA than the rest in Artistic and other minority school activities, where active and very active introverts would achieve more CHPA than little active and sedentary introverts (R2= 30.09). The ecological model is insufficient to explain the level of CHPA of school children during the school day.


2020 ◽  
Vol 118 (1) ◽  
pp. e2020028118
Author(s):  
Ryoma Tsuchiya ◽  
Aino Kaneshima ◽  
Masakazu Kobayashi ◽  
Maki Yamazaki ◽  
Yoko Takasu ◽  
...  

Diapause represents a major developmental switch in insects and is a seasonal adaptation that evolved as a specific subtype of dormancy in most insect species to ensure survival under unfavorable environmental conditions and synchronize populations. However, the hierarchical relationship of the molecular mechanisms involved in the perception of environmental signals to integration in morphological, physiological, behavioral, and reproductive responses remains unclear. In the bivoltine strain of the silkwormBombyx mori, embryonic diapause is induced transgenerationally as a maternal effect. Progeny diapause is determined by the environmental temperature during embryonic development of the mother. Here, we show that the hierarchical pathway consists of a γ-aminobutyric acid (GABA)ergic and corazonin signaling system modulating progeny diapause induction via diapause hormone release, which may be finely tuned by the temperature-dependent expression of plasma membrane GABA transporter. Furthermore, this signaling pathway possesses similar features to the gonadotropin-releasing hormone (GnRH) signaling system for seasonal reproductive plasticity in vertebrates.


Author(s):  
Brian Stanley

This chapter discusses the ramifications for Christian belief and practice of the application of human rights ideology to questions of gender and sexuality. It was only in the course of the twentieth century that rights ideology crossed the gender divide, giving rise to the women's suffrage movement and the substantial erosion of previously unquestioned assumptions about the God-given roles and hierarchical relationship of the sexes. From the second decade of the century in North America and Europe, inherited Christian convictions about the theological and ethical legitimacy of restricting ordained leadership in the churches to men began to be questioned. In Protestant and Anglican churches, these convictions were slowly and unevenly abandoned as the century proceeded. The chapter then considers the shifts in popular attitudes to sexual ethics. By the final decade of the century, some of the global denominational forums had become the arena for heated debate between conservatives and liberals. Churches or individuals could be “liberal” on an issue such as the ordination of women and “conservative” on homosexuality.


2021 ◽  
Vol 2021 ◽  
pp. 1-18
Author(s):  
Yuchao Li ◽  
Qin Zhao ◽  
Yunhe Liu ◽  
Xinhong Hei ◽  
Zongjian Li

Code compliance checking is a very important step in engineering construction, but most of code compliance checking relies on manual review at present. With the development of semantic web technology, ontology can be used to represent code information and check the code automatically. However, code ontology is established manually by researchers who have sufficient domain knowledge, in which it is easy to cause poor hierarchical structure of classes. It is also possible for code ontology not being suitable for compliance check. This paper proposes a semiautomatic construction method of railway code ontology based on ifcOWL. The railway code ontology is developed by converting ifcOWL which extends semantic information of railway code. This method can ensure the completeness of the hierarchical relationship of the classes in code ontology with good scalability, which makes use of taxonomy in ifcOWL. The establishment of ontology is divided into two processes with low coupling, namely, extension and conversion, which reduces the domain knowledge requirements of the researchers. Finally, a practical specification is selected to generate a code ontology that achieves some clauses checking.


In recent years, social networks based on images are the most popular social interfaces. With colossal pictures transferred regular, understanding client’s inclinations on client produced pictures and causing suggestions to have become a critical need. In fact, many composite models have been proposed to intertwine different sorts of side data like image visual representation, social networks and client-image historical behavior for developing the performance of image recommendation. However, due to the special attributes of the client produced images in social interfaces, prior studies failed to identify the complex angles that impacts the client’s preferences. In addition, the greater part of these half and half models depended on predefined loads in consolidating various types of data, which for the most part brought about problematic suggestion execution in this paper we construct a recommended model based on the hierarchy of social images. In addition to latent client intrigue demonstrating in the well-known matrix factorization-based proposal, we distinguish three key angles (i.e., Trending history, user’s appraisal and owner admiration) that influence every client's latent preferences, where every aspect summarizes a logical factor from the complex connections among clients and images. From that point forward, we structure a hierarchical attention network that normally reflects the hierarchical relationship of client’s latent interest with the distinguished key viewpoints. Finally, we identified three social contextual aspects that influence a client’s preference to an image from heterogeneous data: Trending history, user’s appraisal and relevance recommendation, we designed a hierarchical attention network to recommend images according to client preference.


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