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| 1 | Internet of Vehicles in Big Data Era显示文摘As the rapid development of automotive telematics,modern vehicles are expected to be connected through heterogeneous radio access technologies and are able to exchange massive information with their surrounding environment. By significantly expanding the network scale and conducting both real-time and long-term information processing, the traditional Vehicular AdHoc Networks(VANETs) are evolving to the Internet of Vehicles(Io V), which promises efficient and intelligent prospect for the future transportation system. On the other hand, vehicles are not only consuming but also generating a huge amount and enormous types of data, which is referred to as Big Data. In this article, we first investigate the relationship between Io V and big data in vehicular environment, mainly on how Io V supports the transmission, storage, computing of the big data, and how Io V benefits from big data in terms of Io V characterization,performance evaluation and big data assisted communication protocol design. We then investigate the application of Io V big data in autonomous vehicles. Finally, the emerging issues of the big data enabled Io V are discussed. | Wenchao Xu Haibo Zhou Nan Cheng Feng Lyu Weisen Shi Jiayin Chen Xuemin (Sherman) Shen | 2018 | IEEE/CAA Journal of Automatica Sinica2018，5，1： | 19 |
| 2 | 6G service-oriented space-air-ground integrated network: A survey显示文摘As an indispensable component of the emerging 6G networks,Space-Air-Ground Inte-grated Networks(SAGINs)are envisioned to provide ubiquitous network connectivity and services by integrating satellite networks,aerial networks,and terrestrial networks.In 6G SAGINs,a wide variety of network services with the features of diverse requirements,complex mobility,and multi-dimensional resources will pose great challenges to service provisioning,which urges the develop-ment of service-oriented SAGINs.In this paper,we conduct a comprehensive review of 6G SAGINs from a new perspective of service-oriented network.First,we present the requirements of service-oriented networks,and then propose a service-oriented SAGINs management architec-ture.Two categories of critical technologies are presented and discussed,i.e.,heterogeneous resource orchestration technologies and the cloud-edge synergy technologies,which facilitate the interoperability of different network segments and cooperatively orchestrate heterogeneous resources across different domains,according to the service features and requirements.In addition,the potential future research directions are also presented and discussed. | Nan CHENG Jingchao HE Zhisheng YIN Conghao ZHOU Huaqing WU Feng LYU Haibo ZHOU Xuemin SHEN | 2022 | Chinese Journal of Aeronautics2022，35，9： | 6 |
| 3 | Localizing root causes of performance anomalies in cloud computing systems by analyzing request trace logs显示文摘It is hard to localize the primary cause of performance anomalies in cloud computing systems because of the complexity of interactions between components.The hidden connections in the huge number of request execution paths in such systems usually contain useful information for diagnosing performance anomalies.We propose an approach to localize anomalous invoked methods and their physical locations by leveraging request trace logs,which involves two steps:(1) firstly,cluster the requests according to their corresponding call sequences,identify anomalous requests with principal component analysis,and then pick out anomalous methods with Mann-Whitney hypothesis test;(2) secondly,compare the behavior similarities of all replicated instances of the anomalous methods with Jensen-Shannon divergence,and select the ones whose behaviors are different from those of others,which will be chosen as the final culprits of performance anomalies.We conduct experiments with four real-world cases to validate our approach in Alibaba Cloud Computing Inc.The results demonstrate that our approach can locate the prime causes of performance anomalies with the low false-positive rate and false-negative rate. | MI HaiBo WANG HuaiMin ZHOU YangFan LYU Michael CAI Hua | 2012 | Science China(Information Sciences)2012，55，12： | 4 |
| 4 | Effect of Low Temperature Treatment on Agrobacterium-mediated Transformation of Maize Seed Buds显示文摘[Objectives]This study was conducted to improve the genetic transformation rate of maize. [Methods]The seeds of maize ' Zheng 58' as the experimental material were germinated and treated under freezing temperature of-18 ℃ for 30 and 35 min. The EGFP gene was transformed into the growth points of these seed buds by Agrobacterium tumefaciens EHA105. The transformation effect was determined by fluorescence protein detection on transformed buds. [Results]After a certain period of treatment at-18 ℃ following germination and transformation of maize bud growth points with A. tumefaciens,although the survival rate of maize buds was reduced,the percentage of transformed cells significantly increased. [Conclusions]Low temperature treatment can improve the transformation efficiency of A. tumefaciens to the growth point of maize bud. | Mengyu LYU Fushuang DONG Junmin ZHANG He ZHAO Jianfang CHAI Shuo ZHOU Fan YANG Yongwei LIU Haibo WANG | 2018 | Agricultural Biotechnology2018，7，3： | 1 |
| 5 | A Bionic Optimization Technique with Cockroach Biological Behavior显示文摘Many practical engineering problems can be abstracted as corresponding function optimization problems.During the last few decades,many bionic algorithms have been proposed for this problem.However,when optimizing for large scale problems,such as 1000 dimensions,many existing search techniques may no longer perform well.Inspired by the social model of cockroaches,this paper presents a novel search technique called Cooperation cockroach colony optimization(CCCO).In the CCCO algorithm,two kinds of special biological behavior of cockroach,wall-following and nest-leaving,are simulated and the whole population is divided into wall-following and nest-leaving populations.By the collaboration of the two populations,CCCO accomplishes the computation of global optimization.The crucial parameters of CCCO are set by the self-adaptive method.Moreover,a discussion on group model design is provided in this paper.The CCCO algorithm is evaluated with shifted test functions(1000 dimensions).Three state-ofthe-art cockroach-inspired algorithms are used for the comparative experiments.Furthermore,CCCO is applied to a real-world optimization problem concerning spread spectrum radar poly-phase.Experiment results show that the CCCO algorithm can be applied to optimize large-scale problems with the good performance. | CHENG Le CHANG Lyu SONG Yanhong WANG Haibo XU Yihan BIAN Yuetang | 2021 | Chinese Journal of Electronics2021，30，4： | 1 |
| 6 | Efficient unequal error protection for online fountain codes显示文摘In this paper,an efficient unequal error protection(UEP)scheme for online fountain codes is proposed.In the buildup phase,the traversing-selection strategy is proposed to select the most important symbols(MIS).Then,in the completion phase,the weighted-selection strategy is applied to provide low overhead.The performance of the proposed scheme is analyzed and compared with the existing UEP online fountain scheme.Simulation results show that in terms of MIS and the least important symbols(LIS),when the bit error ratio is 10-4,the proposed scheme can achieve 85%and 31.58%overhead reduction,respectively. | SHI Pengcheng WANG Zhenyong LI Dezhi LYU Haibo | 2024 | Journal of Systems Engineering and Electronics2024，35，2： | 0 |
| 7 | Effects of Acetylacetone Solution Soaking on Agrobacterium - transformed Maize Seed Buds显示文摘[Objectives]The effect of acetosyringone seed soaking on the transformation of maize seed buds was analyzed,so as to improve the genetic transformation efficiency of maize and to provide technical support for transgenic breeding of maize.[Methods]The seeds of the'Zheng 58'maize inbred line were used as experimental materials.When the seeds were germinated,AS was added to the water at concentrations of 70,140,210,and 280μmol/L,respectively,and the seeds germinated without the addition of AS served as the CK.The Agrobacterium-mediated method was used to transform bud growth points of maize seeds,and green fluorescent protein detection was performed on the young shoots transformed with EGFP(enhanced green fluorescent protein)gene.The effect of soaking seeds with acetosyringone solution on the transformation of maize bud growth points by Agrobacterium was studied according to the detection results.[Results]Soaking seeds in acetosyringone solutions for germination had the effect of inhibiting the germination of maize seeds and inhibiting sprout elongation,and the higher the concentration of acetosyringone,the stronger the inhibition.When the concentration of acetosyringone solution was 280μmol/L,the germination rate of seeds was only 36.2%of the CK,while soaking seeds with 70-140μmol/L acetosyringone solution for germination could not only ensure a higher germination rate of maize seeds,but also significantly increased the transformation efficiency of maize bud growth points.When the seeds were soaked with 70μmol/L acetosyringone solution for germination,the positive rate of transformed maize buds was the highest,reaching 32.1%.[Conclusions]When maize bud growth points were used as the receptor of Agrobacterium transformation,soaking seeds with 70-140μmol/L acetosyringone for germination basically did not affect the germination of seeds,and was beneficial to the activation of Agrobacterium,thereby promoting the transformation. | Mengyu LYU Fushuang DONG Shuo ZHOU Jianfang CHAI He ZHAO Yongwei LIU Fan YANG Bo JIAO Xiaoyu LI Junmin ZHANG Haibo WANG | 2021 | Agricultural Biotechnology2021，10，3： | 0 |
| 8 | RNA interference targeting ω-secalin genes differentially affects the processing quality in a wheat T1BL·1RS translocation line显示文摘Wheat-rye T1BL·1RS translocation lines are widely used,especially in China,but their processing quality is generally poor.An interfering expression vector targeting theω-secalin genes was constructed with the 1Bx7 seed-specific promoter.Biolistic-mediated genetic transformation of the wheat cultivar KN199 carrying the T1BL·1RS translocation generated 10 transgenic lines.Two representative transgenic lines,8-2 and 13-7,were selected for analysis.Compared with the control,the two transformants showed an up to 4.5-fold decrease in totalω-secalins and various levels of decrease inω-gliadins,γ-gliadins,and low-molecular-weight glutenins.A decrease in high molecular weight(HMW)glutenin 1Bx7 was detected only in 8-2,owing possibly to promoter methylation.Increased levels ofα-gliadins were observed in both transformants,but increased levels of HMW glutenins were observed only in 13-7.Line 13-7 showed increases in gluten index,Zeleny sedimentation value,stabilization time,and maximum resistance.Its bread volume was 849.6 mL,an 11.9%increase over that of the control.Line 8-2 showed decreases in these parameters,but its total cake-making quality score was 88,an 17.3%increase over that of the control.The study demonstrates that the same RNAi construct may produce different effects on wheat processing quality and highlights the influence of the vector promoter in RNA interference. | Shuo Zhou Cuimian Zhang He Zhao Mengyu Lyu Fushuang Dong Yongwei Liu Fan Yang Haibo Wang Jianfang Chai | 2021 | The Crop Journal2021，9，2： | 0 |
| 9 | Study on Differentiation of Growing Points in Corn Sprouts into Multiple Stems显示文摘[Objectives] This study was conducted to improve the efficiency of genetic transformation using growing points of corn sprouts. [Methods] A mixed liquid of plant hormones 6-BA and KT at a suitable concentration and ratio was added dropwise to the growing points of corn sprouts, followed by culture under appropriate conditions. [Results] Corn sprouts could be induced to form multiple plants, thereby improving the transformation efficiency of growing points in corn sprouts. [Conclusions] This study provides a breeding method using growing points of corn sprouts as transformation receptors for direct plantlet formation without tissue culture by the Agrobacterium transgenic technology. | Mengyu LYU Fushuang DONG Jianfang CHAI Shuo ZHOU He ZHAO Yongwei LIU Fan YANG Xiaoyu LI Junmin ZHANG Haibo WANG | 2020 | Agricultural Biotechnology2020，9，1： | 0 |
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