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Incorporating Topic Priors into Distributed Word Representations
Xin Zhang,Bingquan Liu,Baoxun Wang,Xiaolong Wang,Deyuan Zhang 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.7
Representing words as continuous vectors enables the quantification of semantic relationships of words by vector operations, thereby has attracted much attention recently. This paper proposes an approach to combine continuous word representation and topic modeling, by encoding words based on their topic distributions in the hierarchical softmax, so as to introduce the prior semantic relevance information into the neural networks. The word vectors generated by our model are evaluated with respect to word relevance and the document relevance. Experimental results show that our approach is promising for further improving the quality of word vectors.
Genome wide association study on feed conversion ratio using imputed sequence data in chickens
Jiaying Wang,Xiaolong Yuan,Shaopan Ye,Shuwen Huang,Yingting He,Hao Zhang,Jiaqi Li,Xiquan Zhang,Zhe Zhang 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.4
Objective: Feed consumption contributes a large percentage for total production costs in the poultry industry. Detecting genes associated with feeding traits will be of benefit to improve our understanding of the molecular determinants for feed efficiency. The objective of this study was to identify candidate genes associated with feed conversion ratio (FCR) via genome-wide association study (GWAS) using sequence data imputed from single nucleotide polymorphism (SNP) panel in a Chinese indigenous chicken population. Methods: A total of 435 Chinese indigenous chickens were phenotyped for FCR and were genotyped using a 600K SNP genotyping array. Twenty-four birds were selected for sequencing, and the 600K SNP panel data were imputed to whole sequence data with the 24 birds as the reference. The GWAS were performed with GEMMA software. Results: After quality control, 8,626,020 SNPs were used for sequence based GWAS, in which ten significant genomic regions were detected to be associated with FCR. Ten candidate genes, ubiquitin specific peptidase 44, leukotriene A4 hydrolase, ETS transcription factor, R-spondin 2, inhibitor of apoptosis protein 3, sosondowah ankyrin repeat domain family member D, calmodulin regulated spectrin associated protein family member 2, zinc finger and BTB domain containing 41, potassium sodium-activated channel subfamily T member 2, and member of RAS oncogene family were annotated. Several of them were within or near the reported FCR quantitative trait loci, and others were newly reported. Conclusion: Results from this study provide valuable prior information on chicken genomic breeding programs, and potentially improve our understanding of the molecular mechanism for feeding traits.
Improved Optimization for Data Disaster Recovery System over Low-Bandwidth Networks
Jian Wan,Xiaolong Hong,Jinlin Zhang 보안공학연구지원센터 2014 International Journal of Database Theory and Appli Vol.7 No.5
Data generated by various fields are increasing exponentially and thus results in challenges for data performances in both scales of diversity and complexity. The problem how to solve the bottlenecks of low -bandwidth networks has been of fatal significance for all kinds of network status. We present a new approach on improved optimization for data disaster recovery system (DDRS) over low-bandwidth networks that not only aims to improve the defects and deficiencies of mainstream DDRS but also helps ensure the reliable network resources for operators to conduct multi-services. A novel bandwidth self-adaptive approach (BSAA) for data packing replication was essentially established to make contribution to the integral performance improvement. A Hidden Markov Model (HMM) for predicting network status was also built to ensure system availability and stability. Experiments showed that the DDRS over low-bandwidth networks named InfoDr can effectively optimize the workload with better performance and better application self-adaptability for multi-services. Keywords: Data Disaster Recovery System; Low-bandwidth network; Deduplication
Wenjie Tong(Wenjie Tong),Junying Li(Junying Li),Wenfeng Cong(Wenfeng Cong),Cuiping Zhang(Cuiping Zhang),Zhaoli Xu(Zhaoli Xu),Xiaolong Chen(Xiaolong Chen),Min Yang(Min Yang),Jiani Liu(Jiani Liu),Lei Yu 한국식물병리학회 2022 Plant Pathology Journal Vol.38 No.6
Root-knot nematode disease is a widespread and catastrophic disease of tobacco. However, little is known about the relationship between rhizosphere bacterial community and root-knot nematode disease. This study used 16S rRNA gene sequencing and PICRUSt to assess bacterial community structure and function changes in rhizosphere soil from Meloidogyne incognita-infected tobacco plants. We studied the rhizosphere bacterial community structure of M. incognita-infected and uninfected tobacco plants through a paired comparison design in two regions of tobacco planting area, Yuxi and Jiuxiang of Yunnan Province, southwest China. According to the findings, M. incognita infection can alter the bacterial population in the soil. Uninfested soil has more operational taxonomic unit numbers and richness than infested soil. Principal Coordinate Analysis revealed clear separations between bacterial communities from infested and uninfested soil, indicating that different infection conditions resulted in significantly different bacterial community structures in soils. Firmicutes was prevalent in infested soil, but Chloroflexi and Acidobacteria were prevalent in uninfested soil. Sphingomonas, Streptomyces, and Bradyrhizobium were the dominant bacteria genera, and their abundance were higher in infested soil. By PICRUSt analysis, some metabolism-related functions and signal transduction functions of the rhizosphere bacterial community in the M. incognita infection-tobacco plants had a higher relative abundance than those uninfected. As a result, rhizosphere soils from tobacco plants infected with M. incognita showed considerable bacterial community structure and function alterations.
Xiaolong Yang,Ruibo Zhang,Guohong Wang 한국자기학회 2020 Journal of Magnetics Vol.25 No.2
In order to obtain the maximum magnetic energy product in the sealing clearance of magnetofluid seal and improve its critical pressure, a diverging stepped magnetofluid seal with small clearance was designed based on the magnetic circuit design theory and the magnetofluid seal theory. Magnetic distribution and its theoretical critical pressure were calculated by the finite element method, which could prove the reliability of design method in the magnetic circuit. The paper studies the effects of axial clearance, radial clearance and pole tooth number on the pressure capabilities of diverging stepped magnetofluid seal in specific values, which were analyzed and compared in details. The results show that the magnetic flux leakage at the junction of the pole piece and the permanent magnet in the diverging stepped magnetofluid seal leads the theoretical critical pressure calculated by the magnetic circuit method to be lower than that calculated by the finite element method. Moreover, when the pole tooth number in the axial clearance is not less than the pole tooth number in the radial clearance, and the width of axial clearance is smaller than the height of radial clearance, the critical pressure of diverging stepped magnetofluid seal is better than that of the ordinary magnetofluid seal.
Xiaolong Li,Shubao Geng,Hanjie Chen,정철의,Chunliang Wang,Hongtao Tu,Jinyong Zhang 한국응용곤충학회 2017 Journal of Asia-Pacific Entomology Vol.20 No.1
The apple leafminer, Phyllonorycter ringoniella Matsumura (Lepidoptera: Gracillariidae), is an important insect pest of apple, with four to six generations a year in Korea, Japan, and China. The effect of mass trapping with sex pheromone traps on P. ringoniellawas investigated in apple orchards in 2015 in Yinchuan, China. Trap density treatments were 0, 75, 150, and 225/ha in the Control, T1, T2, and T3 orchard blocks, respectively. Average numbers of male catches permonitoring trapwere significantly lower in T2 and T3 treatments and highest in the control. Control efficiencies estimated fromthe leaf damage were 86.67±4.71, 97.23±3.93, and 100% in T1, T2, and T3, respectively. Significant within-tree migration of the moths from the lower part to the upper part was indicated by the shift of trap catches from lower (1–2 m high) to upper portions (3 m high) of the tree from early August. Mass trapping with sex pheromone traps can be one effective and environmentally friendly method to reduce the P. ringoniella populations in apple orchards. Trap density of 150/ha and hanging at 2 m height was recommended for growers to control and monitor its population, respectively
Xiaolong Yang,Yuting Liu,Ruibo Zhang,Shanghan Gao 한국자기학회 2021 Journal of Magnetics Vol.26 No.4
To improve the self-repairing capability of common magnetic fluid seal structures after rupture due to excessive differential pressure in small clearance conditions and to verify the superiority of diverging stepped magnetic fluid seals, a diverging stepped magnetic fluid seal device with single magnetic source was tested. The effect of injection volume, clearance and numbers of teeth on the self-repairing performance of a diverging stepped magnetic fluid seals was investigated experimentally and compared with a common magnetic fluid seal. The experimental results indicate that the self-repairing performance of one stepped magnetic fluid seal device is better. The repair rate of a diverging stepped magnetic fluid seal structure decreases first and then increases with the increase of injection volume, and a minimum value is reached near the saturation value. The smaller the sealing gap and the fewer the number of bore teeth, the higher the repair rate of this structure.