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Parallel Generative Topographic Mapping: an Efficient Approach for Big Data Handling

Arkadii Lin, Igor I. Baskin, Gilles Marcou, Dragos Horvath, Bernd Beck, Alexandre Varnek
2020 Zenodo  
Generative Topographic Mapping (GTM) can be efficiently used to visualize, analyze and model large chemical data.  ...  Parallel GTM may, however, be required to generate maps based on very large FS, that might improve chemical space cartography of big commercial and virtual libraries, approaching billions of compounds.  ...  performance and data visualization.  ... 
doi:10.5281/zenodo.3757810 fatcat:dkmseusnung5ximycst7egii64

Understanding And Mapping Big Data

Rajendra Akerkar, Guillermo Vega-Gorgojo, Grunde Løvoll, Stephane Grumbach, Aurelien Faravelon, Rachel Finn, Kush Wadhwa, Anna Donovan, Lorenzo Bigagli
2015 Zenodo  
Understanding and mapping big data. Deliverable D1.1 BYTE Project.  ...  The technical challenges arise from data acquisition and data curation to data analysis and data visualization.  ...  Ultimately, a data set can be called big data if it is challenging to perform capture, curation, analysis and visualization on it at the existing technologies.  ... 
doi:10.5281/zenodo.49161 fatcat:wz3cwet3wfbmvfzucivu3t64eq

CompactMap: A mental map preserving visual interface for streaming text data

Xiaotong Liu, Yifan Hu, Stephen North, Han-Wei Shen
2013 2013 IEEE International Conference on Big Data  
As text streams become increasingly available from social media such as Facebook and Twitter, visual analysis of streaming text data is playing an important role in most business sectors.  ...  A fundamental challenge in visualizing a large amount of streaming text data is to preserve the user's mental map to enable tracking dynamic changes in topics, while simultaneously utilizing the display  ...  A fundamental challenge for tweet analysis is the scale of the data involved.  ... 
doi:10.1109/bigdata.2013.6691714 dblp:conf/bigdataconf/LiuHNS13 fatcat:vy2dludvmbcv3gboewkjijhtla

Generalisation in Practice Within National Mapping Agencies [chapter]

Cécile Duchêne, Blanca Baella, Cynthia A. Brewer, Dirk Burghardt, Barbara P. Buttenfield, Julien Gaffuri, Dominik Käuferle, François Lecordix, Emmanuel Maugeais, Ron Nijhuis, Maria Pla, Marc Post (+7 others)
2014 Lecture Notes in Geoinformation and Cartography  
The chapter finishes with a synthesis of recent achievements, as well as future challenges that NMAs have begun to tackle.  ...  This chapter includes contributions from seven NMAs, illustrating how automated generalisation is used in practice within their partly or fully automated databases and maps production lines, what results  ...  on 21-22 March 2013 for the rich exchanges they enabled regarding current practices of generalisation and future challenges for NMAs.  ... 
doi:10.1007/978-3-319-00203-3_11 fatcat:3yw2mb5thzelzih64dbfnoojse

A Holistic Analysis for Landslide Susceptibility Mapping Applying Geographic Object-Based Random Forest: A Comparison between Protected and Non-Protected Forests

Shirvani
2020 Remote Sensing  
The object-based image analysis was used for deriving anthropogenic-induced forest loss and fragmentation. The layers of logging and mining were obtained from available historical data.  ...  After surveying the landslide events, segment objects were generated from the Landsat 8 multispectral images and digital elevation model (DEM) data.  ...  The author acknowledges support by the German Research Foundation and the Open Access Funding by the Publication Fund of the TU Dresden.  ... 
doi:10.3390/rs12030434 fatcat:bokdamrswfd47natunjowd4zs4

BigDataGrapes D8.2 - Experimental Protocols and Evaluation Methodology

Spyros Fountas, Vasileios Psiroukis, Maritina Stavrakaki, Florian Schlenz, Simone Parisi, Coraline Damasio, Arnaud Charleroy, Eleni Foufa
2019 Zenodo  
This deliverable is to be periodically updated to take account of additional protocols and methodologies, measurements and data adopted during the project's lifetime.  ...  A report describing the experiments to be conducted and their parameters, along with the methodology for assessing the results of the experiments in accordance with the piloting plan.  ...  -Data Type Format: xls and hand-written. -Data size: MB. Laboratory analysis -Dataset Name: chemical and physical analysis. -Data Description: chemical and physical analysis of must and wine.  ... 
doi:10.5281/zenodo.2628400 fatcat:7qcdbqogfnbf5apc5ty6v5tgmq

BigDataGrapes D8.2 - Experimental Protocols and Evaluation Methodology

Aikaterini Kasimati
2019 Zenodo  
This deliverable is to be periodically updated to take account of additional protocols and methodologies, measurements and data adopted during the project's lifetime.  ...  A report describing the experiments to be conducted and their parameters, along with the methodology for assessing the results of the experiments in accordance with the piloting plan.  ...  -Data Type Format: xls and hand-written. -Data size: MB. Laboratory analysis -Dataset Name: chemical and physical analysis. -Data Description: chemical and physical analysis of must and wine.  ... 
doi:10.5281/zenodo.4546275 fatcat:2xr33fj5cfftpdbfy44j4a7afe

Using Multitemporal Imagery to Improve Mapping and Inventory of Forested Roads in Michigan's Upper Peninsula

David M. Banach, Colin N. Brooks, Mark A. Fedora
2016 Transportation Research Record  
This generated some 100 estimates of Gross P, Net P, and R for each cruise.  ...  We will present these data, showing instances of severe CO 2 limitation in both lakes, and major spatial differences in Net P and respiration rates, for example with areas in Lake Erie near the Detroit  ...  Sea lamprey control barriers and treatments: New mapping and data visualization tools.  ... 
doi:10.3141/2580-07 fatcat:hvnrxsqcwzgbjiogbyo6ltfcry

The Hippocampus as a Cognitive Map

Aryeh Routtenberg, John O'Keefe, Lynn Nadel
1980 American Journal of Psychology  
British Library Cataloguing in Publication Data O'Keefe, John The hippocampus as a cognitive map.  ...  . 1974 Meibach and Siegel 1975 Swanson and Cowan 1975a ,b Adey, Sunderland, and Dunlop 1957 Adey et al. 1958 Cazard and Dennis 1970 Poletti et al. 1970 Golden and Lobar 1971 Grillo 1971 Kaada  ...  et al. 1971 Haddad and Rabe 1967 Kimble 1963 Capobianco and Hamilton 1973 Boitano and Isaacson 1967 Teitelbaum and Milner 1963 Alvarez-Pelaez 1973 Jackson 1967 Douglas and Isaacson 1964 Dawson et al.  ... 
doi:10.2307/1422119 fatcat:qqbbuemosvcg3cditl26b5iqwy

Neural networks for semantic segmentation of historical city maps: Cross-cultural performance and the impact of figurative diversity [article]

Rémi Petitpierre
2021 arXiv   pre-print
To conclude, we show that these networks are able to semantically segment map data of a very large figurative diversity with efficiency.  ...  computer vision algorithms that allows large-scale quantitative analysis.  ...  A very different approach aims to match recent raster or vectorized images with older maps, and to use the contemporary data as a reference for semanticizing the historical map as theorized for instance  ... 
arXiv:2101.12478v1 fatcat:tj3wmfmgcfco7eriuyayiz7y4y

A new method to generate a high-resolution global distribution map of lake chlorophyll

Michael J. Sayers, Amanda G. Grimm, Robert A. Shuchman, Andrew M. Deines, David B. Bunnell, Zachary B. Raymer, Mark W. Rogers, Whitney Woelmer, David H. Bennion, Colin N. Brooks, Matthew A. Whitley, David M. Warner (+1 others)
2015 International Journal of Remote Sensing  
A new method to generate a high-resolution global distribution map of lake chlorophyll.  ...  This generated some 100 estimates of Gross P, Net P, and R for each cruise.  ...  We will present these data, showing instances of severe CO 2 limitation in both lakes, and major spatial differences in Net P and respiration rates, for example with areas in Lake Erie near the Detroit  ... 
doi:10.1080/01431161.2015.1029099 fatcat:5uugnnzklrgtlam6gfq7gwlxsy

Mapping The Drowned World

Tracey Clement
2017 Cartographic Perspectives  
The result is too different from the SSSS and fabric cones even if it worked. Suggested modifications: Return to stitching in whole structures from the beginning.  ...  research are both textual and visual and they interact with each other synergistically to generate new knowledge.  ...  This analysis is supported by the text itself and augmented with issues raised by the artworks made for the exhibition, Mapping The Drowned World.  ... 
doi:10.14714/cp85.1401 fatcat:bekjjnvrsjfmlnjd4sdowgwhgm

Upscaling of Surface Water and Groundwater Interactions in Hyporheic Zone from Local to Regional Scale

Naseem Akhtar, Muhammad I. Syakir, Mardiana Idayu Ahmad, Mohd Talha Anees, Ahmad Farid Bin Abu Bakar, Syed Adil Mizan, Sami Farraj Alsaadi, Mohammad Muqtada Ali Khan, Mohamad Shaiful Md Yusuff
2022 Water  
The proposed framework could help in handling big data and accurate upscaling for water resource management.  ...  The study revealed that the improved data from different approaches is crucial for machine learning training and its application in the SW and GW assessment at local, sub-catchment, and catchment scales  ...  and data for this work.  ... 
doi:10.3390/w14040647 fatcat:5fnfjmcytbeqvazh3lnb3npphu

Mapping of sp2/sp3 in DLC thin film by signal processed ESI series energy-loss image

J.-Y. Yan
2002 Journal of Electron Microscopy  
Contents Cover micrograph Holographic phase image (top) and 3-D nanostructure (middle) of a gold particle supported on TiO2, and its HREM image (bottom).  ...  and Technology Corporation.  ...  The authors would like to thank the Mask Division of HOYA Corporation for their generous support in evaluating the system. Acknowledgement The author would like to thank Dr.  ... 
doi:10.1093/jmicro/51.6.391 pmid:12630782 fatcat:3b2jw4x4abb7nejle4e2gmreci

BigDataGrapes D8.5 - Evaluation Report and KPI Assessment

Aikaterini Kasimati, Vasileios Psiroukis
2019 Zenodo  
with the evaluation methodology.  ...  The deliverable D8.5, "Evaluation Report and KPI Assessment", aims to provide a report on the results of the application piloting sessions, in line with the defined experimental protocols and in accordance  ...  and wine chemical analysis.  ... 
doi:10.5281/zenodo.3269205 fatcat:e4vz44sg6fefdkqjttkyza2ddi
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