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Topicmodeling for large-scale text data

Xi-ming LI,Ji-hong OUYANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 457-465 doi: 10.1631/FITEE.1400352

Abstract: This paper develops a novel online algorithm, namely moving average stochastic variational inference (MASVI), which applies the results obtained by previous iterations to smooth out noisy natural gradients. We analyze the convergence property of the proposed algorithm and conduct a set of experiments on two large-scale collections that contain millions of documents. Experimental results indicate that in contrast to algorithms named ‘stochastic variational inference’ and ‘SGRLD’, our algorithm achieves a faster convergence rate and better performance.

Keywords： Latent Dirichlet allocation (LDA)     Topic modeling     Online learning     Moving average    

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Supervised topic models with weighted words: multi-label document classification None

Yue-peng ZOU, Ji-hong OUYANG, Xi-ming LI

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 4,   Pages 513-523 doi: 10.1631/FITEE.1601668

Abstract: Representative models include labeled latent Dirichlet allocation (L-LDA) and dependency-LDA.In this study, the CF-weight is used to improve L-LDA and dependency-LDA.

Keywords： Supervised topic model     Multi-label classification     Class frequency     Labeled latent Dirichlet allocation(L-LDA)     Dependency-LDA    

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Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1038-1050 doi: 10.1007/s11705-022-2279-3

Abstract: Phase change materials are potential candidates for the application of latent heat storage.cellulose-based composite phase change materials exhibited high thermal energy storage ability with the latent

Keywords： cellulose     polyelectrolytes     phase change materials     thermal energy storage     light-to-thermal conversion    

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Beyond bag of latent topics: spatial pyramid matching for scene category recognition

Fu-xiang LU,Jun HUANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 817-828 doi: 10.1631/FITEE.1500070

Abstract: The proposed feature introduces spatial information among the latent topics by means of spatial pyramid, while the latent topics are obtained by using probabilistic latent semantic analysis (pLSA) based on

Keywords： Scene category recognition     Probabilistic latent semantic analysis     Bag-of-words     Adaptive boosting    

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Construction and humoral immune response of Epstein-Barr virus latent membrane protein 2 DNA vaccine

Jianqing PAN PhD, Qin ZHANG MD, Daowen WANG MD, PhD,

Frontiers of Medicine 2009, Volume 3, Issue 4,   Pages 390-395 doi: 10.1007/s11684-009-0087-5

Abstract: We constructed a eukaryotic expression plasmid encoding Epstein-Barr virus latent membrane protein 2

Keywords： Epstein-Barr virus     latent membrane protein 2     nasopharyngeal carcinoma     humoral immunity    

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A Face Recognition Based on Fusion Features Extraction From Two Kinds of Projection

Zhang Shengliang,Xu Yong,Yang Jian,Yang Jingyu

Strategic Study of CAE 2006, Volume 8, Issue 8,   Pages 50-55

Abstract: Second, the fisher linear discriminant analysis (LDA) , or fisherfaces, is used for extracting anotherindicate that the proposed method can achieve about 10% higher recognition accurate rate than 2DPCA and LDA

Keywords： feature fusion     linear discriminant analysis (LDA)     feature extraction     face recognition    

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Diagnostic criteria of latent autoimmune diabetes in adults (LADA): a review and reflection

Yu Liao, Yufei Xiang, Zhiguang Zhou

Frontiers of Medicine 2012, Volume 6, Issue 3,   Pages 243-247 doi: 10.1007/s11684-012-0201-y

Abstract: Latent autoimmune diabetes in adults (LADA) is a subtype of autoimmune diabetes.Here, we aim to review and discuss the diagnostic criteria of latent autoimmune diabetes in adults.

Keywords： LADA     diagnostic criteria     autoantibodies     insulin independence     age of diagnosis    

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Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-level allocation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1459-6

Abstract:

• Quantification of efficiency and fairness of abatement allocation

Keywords： Pollutant emission reduction allocation     Emission reduction measures     Total abatement cost     Economic    

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Effect of Radial Porosity Oscillation on the Thermal Performance of Packed Bed Latent Heat Storage Article

H. B. Liu, C. Y. Zhao

Engineering 2021, Volume 7, Issue 4,   Pages 515-525 doi: 10.1016/j.eng.2020.05.020

Abstract:

Owing to its high heat storage capacity and fast heat transfer rate, packed bed latent heat storage

Keywords： Packed bed latent heat storage     Radial porosity oscillation     Fluid flow     Heat transfer     Diameter ratio    

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The Integration Model of Closed-Loop Supply Chain Resource Allocation Considering Remanufacturing

Xiao-qiu Shi,Yan-yan Li,Wei Long

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 132-135 doi: 10.15302/J-FEM-2016026

Abstract: integration model of materials requirement planning and distribution resource planning which is a resource allocationIt is a technology of satisfying both production material supply and resource allocation optimizationof reverse logistics of remanufacturing supply chain, we propose a closed-loop supply chain resource allocationWe focus on integration resource allocation model of materials requirement planning and distribution

Keywords： remanufacturing     supply chain     reverse logistics     resource allocation     integration model    

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Benefit-based cost allocation for residentially distributed photovoltaic systems in China: A cooperative

Xi LUO, Xiaojun LIU, Yanfeng LIU, Jiaping LIU, Yaxing WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 271-283 doi: 10.1007/s42524-019-0083-7

Abstract: Distributed photovoltaic (PV) systems have constantly been the key to achieve a low-carbon economy in China. However, the development of Chinese distributed PV systems has failed to meet expectations because of their irrational profit and cost allocations. In this study, the methodology for calculating the levelized cost of energy (LCOE) for PV is thoroughly discussed to address this issue. A mixed-integer linear programming model is built to determine the optimal system operation strategy with a benefit analysis. An externality-corrected mathematical model based on Shapley value is established to allocate the cost of distributed PV systems in 15 Chinese cities between the government, utility grid and residents. Results show that (i) an inverse relationship exists between the LCOEs and solar radiation levels; (ii) the government and residents gain extra benefits from the utility grid through net metering policies, and the utility grid should be the highly subsidized participant; (iii) the percentage of cost assigned to the utility grid and government should increase with the expansion of battery bank to weaken the impact of demand response on increasing theoretical subsidies; and (iv) apart from the LCOE, the local residential electricity prices remarkably impact the subsidy calculation results.

Keywords： solar photovoltaic     cost allocation     cooperative game theory     Shapley value     mixed-integer linear programming    

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A holistic approach for evaluating ecological water allocation in the Yellow River Basin of China

YANG Zhifeng, CUI Baoshan, CHEN He

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 99-106 doi: 10.1007/s11783-007-0019-z

Abstract: The characteristics and sustainable management of water resources on a basin scale require that they should be managed using a holistic approach. In this study, a holistic methodology called the holistic approach in a basin scale (HABS) is proposed to determine the ecological water requirements of a whole basin. There are three principles in HABS. First, ecological water requirements in a basin scale indicate not only the coupling of hydrological and ecological systems, but also the exchange of matter and energy between each ecological type through all kinds of physical geography processes. Second, ecological water requirements can be divided into different types according to their functions, and water requirements of different types are compatible. Third, ecological water requirements are related to a multiple system including water quality, water quantity, and time and space, which interact with each other. The holistic approach in a basin scale was then used in the Yellow River Basin and it suggested that 265.0 × 10 m of water, 45% of the total surface water resources, should be allocated to ecological systems, such as rivers, lakes, wetlands and cities, to sustain its function and health. The ecological water requirements of inside river systems and outside river systems were respectively 261.0 × 10 and 3.65 × 10 m.
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Study on the Model and Its Visualization for Dynamic Allocation of Earth

Hu Chengshun,Zheng Denghua,Zhang Jin,Hong Wen,Li Mingchao

Strategic Study of CAE 2003, Volume 5, Issue 12,   Pages 73-79

Abstract:

For construction organization plan, the optimized allocation and overall balance of earth is of greatthen for the expression of results, Geographic Information System (GIS) is referred to demonstrate the allocation

Keywords： rock-fill dam construction     earth allocation     dynamic allocation     linear programming     visualization    

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New computational treatment of optical wave propagation in lossywaveguides

Jian-xin ZHU,Guan-jie WANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 646-653 doi: 10.1631/FITEE.1400406

Abstract: In this paper, the optical wave propagation in lossy waveguides is described by the Helmholtz equation with the complex refractive-index, and the Chebyshev pseudospectral method is used to discretize the transverse operator of the equation. Meanwhile, an operator marching method, a one-way re-formulation based on the Dirichletto-Neumann (DtN) map, is improved to solve the equation. Numerical examples show that our treatment is more efficient.

Keywords： Adjoint operator     Orthogonal     Chebyshev     Pseudospectral method     Dirichlet-to-Neumann map    

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Multi-objective optimal allocation strategy for the energy internet in Huangpu District, Guangzhou, China

Pei LI, Guotian CAI, Yuntao ZHANG, Shangjun KE, Peng WANG, Liping GAO

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 241-253 doi: 10.1007/s11708-020-0660-9

Abstract: energy efficiency maximization as sub-objectives, the mathematical model of multi-objective optimal allocation

Keywords： generation-grid-load-storage     energy internet     economy-environment-energy efficiency     multi-objective optimal allocation    

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Title Author Date Type Operation

Topicmodeling for large-scale text data

Xi-ming LI,Ji-hong OUYANG

Journal Article

Supervised topic models with weighted words: multi-label document classification

Yue-peng ZOU, Ji-hong OUYANG, Xi-ming LI

Journal Article

Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Journal Article

Beyond bag of latent topics: spatial pyramid matching for scene category recognition

Fu-xiang LU,Jun HUANG

Journal Article

Construction and humoral immune response of Epstein-Barr virus latent membrane protein 2 DNA vaccine

Jianqing PAN PhD, Qin ZHANG MD, Daowen WANG MD, PhD,

Journal Article

A Face Recognition Based on Fusion Features Extraction From Two Kinds of Projection

Zhang Shengliang,Xu Yong,Yang Jian,Yang Jingyu

Journal Article

Diagnostic criteria of latent autoimmune diabetes in adults (LADA): a review and reflection

Yu Liao, Yufei Xiang, Zhiguang Zhou

Journal Article

Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-level allocation

Journal Article

Effect of Radial Porosity Oscillation on the Thermal Performance of Packed Bed Latent Heat Storage

H. B. Liu, C. Y. Zhao

Journal Article

The Integration Model of Closed-Loop Supply Chain Resource Allocation Considering Remanufacturing

Xiao-qiu Shi,Yan-yan Li,Wei Long

Journal Article

Benefit-based cost allocation for residentially distributed photovoltaic systems in China: A cooperative

Xi LUO, Xiaojun LIU, Yanfeng LIU, Jiaping LIU, Yaxing WANG

Journal Article

A holistic approach for evaluating ecological water allocation in the Yellow River Basin of China

YANG Zhifeng, CUI Baoshan, CHEN He

Journal Article

Study on the Model and Its Visualization for Dynamic Allocation of Earth

Hu Chengshun,Zheng Denghua,Zhang Jin,Hong Wen,Li Mingchao

Journal Article

New computational treatment of optical wave propagation in lossywaveguides

Jian-xin ZHU,Guan-jie WANG

Journal Article

Multi-objective optimal allocation strategy for the energy internet in Huangpu District, Guangzhou, China

Pei LI, Guotian CAI, Yuntao ZHANG, Shangjun KE, Peng WANG, Liping GAO

Journal Article