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Optimal Transport for structured data with application on graphs
[article]
2019
arXiv
pre-print
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We consider a new transportation distance (i.e. that minimizes a total cost of transporting probability masses) that unveils the geometric nature of the structured objects space. ...
Unlike Wasserstein or Gromov-Wasserstein metrics that focus solely and respectively on features (by considering a metric in the feature space) or structure (by seeing structure as a metric space), our ...
We gratefully acknowledge the support of NVIDIA Corporation with the donation of the Titan X GPU used for this research. ...
arXiv:1805.09114v3
fatcat:t65lf7ktdvgizhbx2auckxuoam
Constructing a database structure in the problem of the assignment of air transport operators to commissioned tasks
2019
MATEC Web of Conferences
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The article defines the database structure used in the issue of the assignment of air transport operators to commissioned transport tasks. ...
The purpose of the work is to develop a database structure that fulfills the function of recording information, presenting results and processing calculated data. ...
about customers, operators, -Module of data presentation -mediates the process of sharing data collected in the database for authorized users, -Optimization module -the module stores reports and data ...
doi:10.1051/matecconf/201929404004
fatcat:u3ghvhxlvrgpphzszxdtkhufhm
Passenger Transportation Structure Optimization Model Based on User Optimum
2016
Procedia Engineering
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Rationalization and optimization of passenger transportation structure is one of important means of improving its validity. ...
According to this idea, optimization model of passenger transportation structure based on resource constraints is built. ...
Acknowledgements This study was sponsored by the science and technology support project of the National 11th Five-year Plan " Key Techniques of Planning and Evaluation on Urban Comprehensive Transportation ...
doi:10.1016/j.proeng.2016.01.251
fatcat:azukauy7yraf5ds3khi3na2h7q
Minimum Entransy Dissipation Principle for Optimization of Transport Networks
2010
International journal of nonlinear sciences and numerical simulation
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The present optimization analyses agree well with the existing experimental data and optimization theories for transport networks. ...
The concept of entransy, which describes the capability of heat conduction in the continuum and was originally used for optimization of heat transfer devices, has been extended for optimization of transport ...
The minimum entransy dissipation principle has been validated by comparing with the existing experimental data and other optimization theories for different transport networks. ...
doi:10.1515/ijnsns.2010.11.2.113
fatcat:shwul4otg5aednazwpdqrpxwni
Hierarchical Optimal Transport for Unsupervised Domain Adaptation
[article]
2021
arXiv
pre-print
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In this paper, we propose a novel approach for unsupervised domain adaptation, that relates notions of optimal transport, learning probability measures and unsupervised learning. ...
The proposed approach, HOT-DA, is based on a hierarchical formulation of optimal transport, that leverages beyond the geometrical information captured by the ground metric, richer structural information ...
Matching source and target structures through hierarchical optimal transport Optimal transport offers a well-founded geometric way for comparing probability measures in a Lagrangian framework, and for ...
arXiv:2112.02073v1
fatcat:yn7mek3xwzhstka6bubcvpwmu4
Materials Informatics for Heat Transfer: Recent Progresses and Perspectives
[article]
2019
arXiv
pre-print
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However, search for optimal thermal materials is challenge due to the tremendous degrees of freedom in the composition and structure of crystal compounds and nanostructures, and thus empirical search would ...
design for high/low thermal conductance using the Bayesian optimization and Monte Carlo tree search. ...
Exploration and designing of materials and structures with desired thermal transport properties have large potential for application. ...
arXiv:1901.08504v1
fatcat:a7455dnzarcpxexmvzjhevql3a
Shaping the Optimal Technology for Servicing the Long-Distance Deliveries of Packaged Cargo by Road Transport
2022
Sustainability
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That especially applies to road transport deliveries, where the number of alternatives for organizing the transportation process is numerous and the choice of the optimal solution is complicated by the ...
(Kharkiv, Ukraine) is applied to illustrate the procedure of using the developed approach to choose the optimal transport and technological schemes for long-distance deliveries. ...
Acknowledgments: The authors acknowledge the support of the Delivery Ltd. company (Kharkiv, Ukraine) for providing real-world data for experimental studies. ...
doi:10.3390/su14127283
doaj:b0dc5e4f4dfc46b1a918c1ed880e49bf
fatcat:bqtctqskyrb7pg5uch42ivakbu
Latent Space Optimal Transport for Generative Models
[article]
2018
arXiv
pre-print
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A GAN can transform a simple distribution to a latent-space data distribution and thus preserve the manifold structure, but optimizing a GAN involves solving a Min-Max optimization problem, which is difficult ...
However, this causes the posterior collapse problem and loses manifold structure which can be important for datasets such as facial images. ...
AE-OT has a strong geometric motivation and is therefore more suitable for data that has strong manifold structures, for example, handwritten digits and human faces. ...
arXiv:1809.05964v1
fatcat:adtnibobkfguhgzjg2v57xi5ea
Geometry Optimization of Self-Similar Transport Network
2011
Mathematical Problems in Engineering
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Using this optimization method, we obtained optimal relationships of geometric parameters of T-shape networks for fluid flow, heat conduction, convective heat transfer, and other transport phenomena. ...
The optimized transport network structure depends strongly on the optimization objective and the constraints, so that both the maximum heat transfer effect and minimum flow resistance cannot be satisfied ...
Their optimization analyses agreed well with the existing experimental data and optimization theories for transport networks 31 . ...
doi:10.1155/2011/421526
fatcat:hl6wi7ll4rd6fljgeyewohimga
Structural conservation in the major facilitator superfamily as revealed by comparative modeling
2004
Protein Science
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The models for both proteins are in good agreement with the data available and support the notion of a shared fold for all MFS proteins. ...
The models are based on the two MFS structures and on experimental data. ...
We thank Yael Elbaz for helpful discussions. The publication costs of this article were defrayed in part by payment of page charges. ...
doi:10.1110/ps.04657704
pmid:15215526
pmcid:PMC2279927
fatcat:icqjz3ncvngmzdshyy3xbd5pwq
PANDORA - A python based framework for modelling and structural sizing of transport aircraft
2018
MATEC Web of Conferences
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SOROUR -A FINITE ELEMENT BASED TOOL CHAIN FOR STRUCTURAL SIZING OF TRANSPORT AIRCRAFT IN PRELIMINARY AIRCARFT DESIGN" DLRK 2013, STUTTGART PANDORA -Toolenviroment (Parametric Numerical Design and Optimization ...
Petsch • PANDORA > 05.09.2018 Python FE raw data (Parametric Numerical Design and Optimization Routines for Aircraft) > EASN 2018 > M. ...
doi:10.1051/matecconf/201823300013
fatcat:dpl4auf4fjeq3l65lw27flohyy
Materials discovery and properties prediction in thermal transport via materials informatics: a mini-review
[article]
2019
arXiv
pre-print
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In addition, some perspectives are given for the outlook of materials informatics in the field of thermal transport. ...
, including optimal thermal conductivity, interfacial thermal conductance and thermoelectricity efficiency. ...
optimization (a)-(d) Optimal structures with the maximum and minimum interfacial thermal conductance (ITC) for Si-Si and Si-Ge interface. ...
arXiv:1901.04133v1
fatcat:2lmiikbszbf6fptbffxitnrtem
Functional Maturity Based Optimization of Public Service Mode of Urban Road Transportation—Case Study of Taizhou City in China
2016
International Journal of Transportation
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to build new road transport industry, namely transport serving for economy, management serving for market and operation serving for the public. ...
proposes to optimize the road transport management. ...
Based on the data collected by questionnaire, this paper uses covariance structure analysis to evaluate the functional maturity, and then proposes to optimize the road transport management. ...
doi:10.14257/ijt.2016.4.3.04
fatcat:icay4x6mu5ethi7l65cfmca5tu
Research on Collaborative Optimization Model of Tourism Resources and Highway Network Based on IoT Network and Deep Learning
2022
Security and Communication Networks
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With the development of tourism, people's demand and concern for tourist transportation are increasing. ...
For the total investment of tourism construction projects, the time cost saved by highway network optimization, and the total tourism revenue, the lower-level model aims to minimize the travel time of ...
To gather and extract high-order data from samples, many processing layers are utilized, including complex structures and nonlinear transformation. e study on the road network optimization issue is mostly ...
doi:10.1155/2022/1637348
fatcat:rkzpjyfn6jhhvhz7ktcxm44h6y
Essential Tasks to Reduce Environmental Pollution in Urban Transportation Networks
2017
Environment Pollution and Climate Change
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structures to improve urban air quality: This is to develop models to optimize network topological structures so as to mitigate GHG and pollutant emissions for urban networks and improve air quality. ...
This will thus develop theoretical and applied models for optimizing the network topological structure with environmental and economic constrains so as to reducing GHG and pollutant emissions. • Developing ...
doi:10.4172/2573-458x.1000142
fatcat:6yk5daeju5hkvk7a7j2yvrfph4
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