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Spark – A Generic Simulator for Physical Multi-agent Simulations [chapter]

Oliver Obst, Markus Rollmann
2004 Lecture Notes in Computer Science  
We describe a new multi-agent simulation system, called Spark, for agents in three-dimensional environments.  ...  Spark is a powerful tool to state different multi-agent research questions. It was already used as official simulator for the first threedimensional RoboCup Simulation League competition.  ...  In this paper we describe a multi-agent simulation system, called Spark, for physical agents in three-dimensional environments.  ... 
doi:10.1007/978-3-540-30082-3_18 fatcat:bbmzl6m4izfxbdwfyzhf74mk3i

SPARK

Alexey Solovyev, Maxim Mikheev, Leming Zhou, Joyeeta Dutta-Moscato, Cordelia Ziraldo, Gary An, Yoram Vodovotz, Qi Mi
2010 International journal of agent technologies and systems  
SPARK has the following features specialized for modeling biomedical systems: 1) continuous space that can simulate real physical space; 2) flexible agent size and shape that can represent the relative  ...  In this work, the authors describe SPARK (Simple Platform for Agent-based Representation of Knowledge), a framework for agent-based modeling specifically designed for systems-level biomedical model development  ...  YV and QM acknowledge support from NIDRR H133E070024, NIH R01-DC-008290, IBM Shared University Research Award, NIH P50-GM-53789, and a grant from the Commonwealth of Pennsylvania.  ... 
doi:10.4018/jats.2010070102 pmid:24163721 pmcid:PMC3806198 fatcat:rgtg7np37vgsxeak5yj6zgdahu

Calcium Fluxes, Sparks and Waves

2008 Biophysical Journal  
The solution structure reveals that designed metal binding proteins bind metal ions at the intended site with the designed arrangement, which validates our general strategy for designing de novo metal-binding  ...  PKCe inhibition-elicited increase in Ca 2þ spark frequency and decrease in Ca 2þ spark amplitude was not eliminated in RyR3 À/À cells.  ...  Here we introduce a computationally efficient method for approximately simulating such whole cell models that begins with a derivation of a system of ODEs describing the time-evolution of the first and  ... 
doi:10.1016/s0006-3495(08)79017-9 fatcat:ytfznfpz4rd6hclzjgcg27ptxu

Optimizing and accelerating space–time Ripley 's K function based on Apache Spark for distributed spatiotemporal point pattern analysis

Yuan Wang, Zhipeng Gui, Huayi Wu, Dehua Peng, Jinghang Wu, Zousen Cui
2020 Future generations computer systems  
However, space-time Ripley's K function is computationally intensive for point-wise distance comparisons, edge correction and simulations for significance testing.  ...  This paper presents a distributed computing method to accelerate space-time Ripley's K function upon state-of-the-art distributed computing framework Apache Spark, and four strategies are adopted to simplify  ...  Each physical node that works as the agent of this private cloud has 24 CPU cores of 2.4 GHz and 64GB memory.  ... 
doi:10.1016/j.future.2019.11.036 fatcat:qg3gbsz645an7dklbg26qrktxe

Comparative Parametric And Emission Characteristics Of Single Cylinder Spark Ignition Engine Using Gasoline, Ethanol, And H₂O As Micro Emulsion Fuels

Ufaith Qadri, M Marouf Wani
2017 Zenodo  
The use of micro emulsion as fuel in a Spark Ignition engine is virtually unexplored.  ...  In this paper, the performance and emission characteristics of a Single Cylinder Spark Ignition engine have been investigated.  ...  Multi zone models attempt to resolve the combustion phenomena in a more physical manner than do single-zone models.  ... 
doi:10.5281/zenodo.1132943 fatcat:k2vki25wgrgrnacj7roiubj7li

Comparative Parametric And Emission Characteristics Of Single Cylinder Spark Ignition Engine Using Gasoline, Ethanol, And H₂O As Micro Emulsion Fuels

Ufaith Qadri, M Marouf Wani
2017 Zenodo  
The use of micro emulsion as fuel in a Spark Ignition engine is virtually unexplored.  ...  In this paper, the performance and emission characteristics of a Single Cylinder Spark Ignition engine have been investigated.  ...  Multi zone models attempt to resolve the combustion phenomena in a more physical manner than do single-zone models.  ... 
doi:10.5281/zenodo.1314620 fatcat:k5aq3nbvvngvbkbvjhctcf7ysy

Sparks fly when AIE meets with polymers

Yuanyuan Li, shunjie liu, Ting Han, Haoke Zhang, Clarence Chuah, Ryan T. K. Kwok, Jacky Wing Yip Lam, Ben Zhong Tang
2019 Materials Chemistry Frontiers  
Acknowledgements We are grateful for financial support from the National Natural  ...  TPE-containing dithiocarbonates were synthesized and screened as agents for reversible addition fragmentation chain transfer (RAFT) polymerizations (Fig. 8A ). 27 The TPE-based RAFT agents were non-emissive  ...  We hope that the results presented in this paper will create sparking inspiration for the combination of AIE technology with polymers.  ... 
doi:10.1039/c9qm00404a fatcat:wdqdnazvnvag7as6rykvhsfshm

Spark-MPI: Approaching the Fifth Paradigm of Cognitive Applications [article]

Nikolay Malitsky, Ralph Castain, Matt Cowan
2018 arXiv   pre-print
Over the past decade, the fourth paradigm of data-intensive science rapidly became a major driving concept of multiple application domains encompassing and generating large-scale devices such as light  ...  The success of data-intensive projects subsequently triggered the next generation of machine learning approaches.  ...  From the perspective of the fifth paradigm, Spark-MPI can be considered as a generic front-end of composite agent models for interacting with heterogeneous environments.  ... 
arXiv:1806.01110v1 fatcat:x6mmqowmkje7heitxvhaf5fsui

Impact of tumor-parenchyma biomechanics on liver metastatic progression: a multi-model approach [article]

Yafei Wang, Erik Brodin, Kenichiro Nishii, Hermann B Frieboes, Shannon Mumenthaler, Jessica L Sparks, Paul Macklin
2020 bioRxiv   pre-print
Results from these short-time simulations in detailed single hepatic lobules motivate constitutive relations and biological hypotheses for use in an agent-based model of metastatic seeding and growth in  ...  This study uses a multi-model approach to study the effect of tumor-parenchyma biomechanical interactions on metastatic seeding and growth; the framework also allows investigating the impact of changing  ...  We thank Randy Heiland (IU) for support in creating and refining the nanoHUB liver app. We thank John Metzcar (IU) for helpful comments on the manuscript.  ... 
doi:10.1101/2020.05.04.074989 fatcat:6j36vfefrzcl3nsjnrjalh75gy

Impact of tumor-parenchyma biomechanics on liver metastatic progression: a multi-model approach

Yafei Wang, Erik Brodin, Kenichiro Nishii, Hermann B. Frieboes, Shannon M. Mumenthaler, Jessica L. Sparks, Paul Macklin
2021 Scientific Reports  
Results from short-time simulations in detailed single hepatic lobules motivate constitutive relations and biological hypotheses for a minimal agent-based model of metastatic growth in centimeter-scale  ...  This study adopts a multi-model approach to study the dynamics of tumor-parenchyma biomechanical interactions during metastatic seeding and growth.  ...  We thank Randy Heiland (IU) for support in creating and refining the nanoHUB liver app. We thank John Metzcar (IU) for helpful comments on the manuscript.  ... 
doi:10.1038/s41598-020-78780-7 pmid:33462259 fatcat:grp77rr25nhxzin4sx57vfix7m

Developing Meso and Microholes by Spark-Erosion Based Drilling Processes: A Critical Review

Sujeet Kumar Chaubey, Kapil Gupta
2022 Micromachines  
The increased demand for miniature components has drawn the attention of researchers, engineers, and industry users to manufacture precision micro and mesoholes on foils, sheets, and plates made from a  ...  The paper aims to facilitate researchers and scholars by highlighting the capabilities of spark erosion machining, drilling, and its variants to fabricate miniature holes.  ...  These plastics are extensively used for lightweight and noiseless applications. A composite is a mixture of two materials having different characteristics (i.e., physical and chemical).  ... 
doi:10.3390/mi13060885 pmid:35744499 fatcat:r4fctxxif5g2vmcupmuggdb6lq

Spark Configurations to Optimize Decision Tree Classification on UNSW-NB15

Sikha Bagui, Mary Walauskis, Robert DeRush, Huyen Praviset, Shaunda Boucugnani
2022 Big Data and Cognitive Computing  
Hence, the objective was to optimize resource usage and minimize processing time for Decision Tree classification, using Spark.  ...  The UNSW-NB15 dataset, being a large dataset, provides enough data and complexity to see the changes in computing resource configurations in Spark.  ...  Reconnaissance is a general knowledge gathering attack that can be both logical and physical. This can include sniffing, scanning, and phishing.  ... 
doi:10.3390/bdcc6020038 fatcat:2lcqxeqyfrebtplsonaktkttyq

SimSpark: An Open Source Robot Simulator Developed by the RoboCup Community [chapter]

Yuan Xu, Hedayat Vatankhah
2014 Lecture Notes in Computer Science  
As a powerful tool to state different multi-robot researches, SimSpark has been successfully used in RoboCup simulation league, standard platform league and humanoid league.  ...  Furthermore, some new features are proposed and implemented for the next RoboCup, including realistic motor, heterogeneous robots, and agent proxies.  ...  Boedecker for supporting us to work in the SimSpark project.  ... 
doi:10.1007/978-3-662-44468-9_59 fatcat:dj3lmghnw5drtnxrxukesw4jju

A Cloud-Based Framework for Large-Scale Log Mining through Apache Spark and Elasticsearch

Yun Li, Yongyao Jiang, Juan Gu, Mingyue Lu, Manzhu Yu, Edward Armstrong, Thomas Huang, David Moroni, Lewis McGibbney, Greguska Frank, Chaowei Yang
2019 Applied Sciences  
., simulation data, observation data, and social media data, are growing ever faster, posing grand challenges for data discovery.  ...  To speed up the mining process, we propose a cloud-based log-mining framework using Apache Spark and Elasticsearch.  ...  Generally, it consists of a client Internet Protocol (IP) address, request date/time, the page requested, HTTP code, user agent, and referrer ( Figure 2 ) in the combined log format.  ... 
doi:10.3390/app9061114 fatcat:3rm2pn3ubfhhvnsvupsdcjwqsq

Influence of mechanically milled powder and high pressure on spark plasma sintering of Mg–Cu–Gd metallic glasses

Baolong Zheng, Dustin Ashford, Yizhang Zhou, Suveen N. Mathaudhu, Jean-Pierre Delplanque, Enrique J. Lavernia
2013 Acta Materialia  
In this study a gas atomized Mg 65 Cu 25 Gd 10 amorphous powder was mechanically milled and consolidated by spark plasma sintering (SPS) at a high pressure (500 MPa) at different temperatures (443, 433  ...  A finite element method with COMSOL software was also applied to investigate and explain the powder packing density, localized heating, and temperature distribution during SPS.  ...  Tsao, National Cheng Kung University, Tainan, Taiwan, for providing the atomized Mg 65 Cu 25 Gd 10 powder.  ... 
doi:10.1016/j.actamat.2013.04.011 fatcat:7pqxmj6edzb4fc4l5wd7ypim7a
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