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Ocean of information

Mauro Martino, Francesco Calabrese, Giusy Di Lorenzo, Clio Andris, Liu Liang, Carlo Ratti
2010 Proceedings of the 15th international conference on Intelligent user interfaces - IUI '10  
We solve the problems that are found in available tools for spatio-temporal analysis, by allowing seamless manipulability and introducing a simultaneous multi-scale visualization of individual and aggregate  ...  By analyzing a mass of individual cell phone traces, we build a Human-City Interaction System for understanding urban mobility patterns at different user-controlled temporal and geographic scales.  ...  The following tools and visualizations excel at displaying specific dimensions of the problem of spatio-temporal visual data analysis through using cell phone data.  ... 
doi:10.1145/1719970.1720030 dblp:conf/iui/MartinoCLALR10 fatcat:3uc3jalvmbfqdchxutyp72rwta

Crowd analysis using visual and non-visual sensors, a survey

Muhammad Irfan, Lucio Marcenaro, Laurissa Tokarchuk
2016 2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP)  
This paper proposes a critical survey of crowd analysis techniques using visual and non-visual sensors.  ...  This survey identifies different approaches as well as relevant work on crowd analysis by means of visual and non-visual techniques.  ...  In section 6 we show datasets usually used in visual analysis and discuss the software tools developed in order to acquire mobile phone based data.  ... 
doi:10.1109/globalsip.2016.7906041 dblp:conf/globalsip/IrfanMT16 fatcat:mcfvji35hfh4rjqchk4uazuk4q

A Visual Analytics Approach for Extracting Spatio-Temporal Urban Mobility Information from Mobile Network Traffic

Günther Sagl, Martin Loidl, Euro Beinat
2012 ISPRS International Journal of Geo-Information  
In this paper we present a visual analytics approach for deriving spatio-temporal patterns of collective human mobility from a vast mobile network traffic data set.  ...  The results show, for example, surprising similarities and symmetries amongst the total mobility and people flows between the test areas.  ...  Acknowledgments The authors thank Telecom Italia Mobile for providing a fully anonymized and aggregated sample of mobile network traffic data.  ... 
doi:10.3390/ijgi1030256 fatcat:glvp4e6gijavneat5ho5vklsxi

Youth, health and social networks: Instagram as a research tool for health communication

Natàlia Carceller-Maicas
2015 Mètode Science Studies Journal: Annual Review  
The use of Instagram as a data collection tool is not alien or intrusive to young people because they often use it to share visual content with a strong emotional charge.  ...  Thus, having informants who are experts in the data collection tool, a good amount of quality material The use of Instagram as a data collection tool is not alien or intrusive to young people, because  ... 
doi:10.7203/metode.6.6555 fatcat:75k6hkwuozhq5bxdnfcjiwuvaq

A Spatial Multi-Criteria Model for the Evaluation of Land Redistribution Plans

Demetris Demetriou, Linda See, John Stillwell
2012 ISPRS International Journal of Geo-Information  
In this paper we present a visual analytics approach for deriving spatio-temporal patterns of collective human mobility from a vast mobile network traffic data set.  ...  The results show, for example, surprising similarities and symmetries amongst the total mobility and people flows between the test areas.  ...  Acknowledgments The authors thank Telecom Italia Mobile for providing a fully anonymized and aggregated sample of mobile network traffic data.  ... 
doi:10.3390/ijgi1030272 fatcat:64cctamylba7faabgs6ioecdu4

Visualization of Urban Mobility Data from Intelligent Transportation Systems

Thiago Sobral, Teresa Galvão, José Borges
2019 Sensors  
To address the multivariate nature of spatiotemporal urban mobility data, researchers and practitioners have developed an extensive body of research and interactive visualization tools.  ...  This article surveys related studies to analyze which topics of urban mobility were addressed and their related phenomena, and to identify the adopted visualization techniques and sensors data types.  ...  The authors used mobile phone data for supporting the analysis.  ... 
doi:10.3390/s19020332 fatcat:degl2umu6nfk3i43zgxn7zpirq

Research and Application Development for SMS Extraction and Analysis System

Jiawei Mao, Hui Xu, Yawei Hu
2018 Journal of Physics, Conference Series  
On the other hand, the visualization of this information intuitively reflects the contact heat of different regions, and the heat of contact of different people in a mobile phone contact with the outside  ...  Mobile phone SMS play an indispensable role in people's work, life and friendship, and accumulated text messages contain rich information.  ...  Today, the SMS function of mobile phones is not just a text transmission tool in a general sense, but an irreplaceable tool for authentication, notification of important issues, timely notification, etc  ... 
doi:10.1088/1742-6596/1069/1/012068 fatcat:gwtlysxqn5gcvcqzu4agqc6n4e

Modalflow: Cross-Origin Flow Data Visualization for Urban Mobility

Ignacio Pérez-Messina, Eduardo Graells-Garrido, María Jesús Lobo, Christophe Hurter
2020 Algorithms  
Using this system, we extract general insights on visual analysis of pervasive and survey data for urban mobility and assess a mobile phone network dataset for one metropolitan area.  ...  Pervasive data have become a key source of information for mobility and transportation analyses.  ...  This implies a rising need on tools that are aimed at experts to assess mobile phone data.  ... 
doi:10.3390/a13110298 fatcat:ownwis5v55f7vm5gqhdvwmp5xi

Statistics Analysis and Visualization for Big Data of E-commerce Platform Sales Evaluation

Wei Zhan, Jinhui She, Yangyang Zhang, Chenfan Sun
2021 Converter  
+echart integrated technology to visualize the big data of distribution of mobile phone sales, user purchase impressions, and user mobile phone portraits.  ...  In order to efficiently realize the visualization of e-commerce evaluation big data, this paper proposes an end-to-end four-layer framework for data visualization system.  ...  With the rapid development of big data, people generate a large number of data every day, among which e-commerce data accounts for a significant proportion.  ... 
doi:10.17762/converter.136 fatcat:hwm4oll7sfe63ph5cyexadz6n4

Visual Analytics Methodology for Scalable and Privacy-Respectful Discovery of Place Semantics from Episodic Mobility Data [chapter]

Natalia Andrienko, Gennady Andrienko, Georg Fuchs, Piotr Jankowski
2015 Lecture Notes in Computer Science  
We propose a visual analytics approach to semantic analysis of mobility data in which traces of a large number of people are processed simultaneously without accessing individual-level data.  ...  People using mobile devices for making phone calls, accessing the internet, or posting georeferenced contents in social media create episodic digital traces of their presence in various places.  ...  Introduction The topic of this presentation, based on [1] , is semantic modeling and semantic analysis of mobility data (trajectories of people).  ... 
doi:10.1007/978-3-319-23461-8_25 fatcat:r4nhmxnumbfbxm4aqz3kze6zva

TelCoVis: Visual Exploration of Co-occurrence in Urban Human Mobility Based on Telco Data

Wenchao Wu, Jiayi Xu, Haipeng Zeng, Yixian Zheng, Huamin Qu, Bing Ni, Mingxuan Yuan, Lionel M. Ni
2016 IEEE Transactions on Visualization and Computer Graphics  
Fig. 1 : A visual analytics system for the exploration of co-occurrence in human mobility of Guangzhou based on telco data.  ...  In recent years, the widespread use of mobile phones brings an unprecedented opportunity to capture large-scale and fine-grained data to study co-occurrence in human mobility.  ...  ACKNOWLEDGMENTS The authors thank the anonymous reviewers for their valuable comments.  ... 
doi:10.1109/tvcg.2015.2467194 pmid:26469282 fatcat:e6lk4kpoive23o73hzdz6onyaq

A COMPARATIVE STUDY OF CROWD COUNTING AND PROFILING THROUGH VISUAL AND NON-VISUAL SENSORS

Jugal Kishor Gupta, S.K. Gupta
2019 Acta Informatica Malaysia  
In this paper we present a comparative critical study of visual and non-visual sensors used in crowd behavior analysis.  ...  The smart devices are used now days for surveillance and gives better result in crowd behavior analysis.  ...  COMPARISONS OF ALL TECHNIQUE WITH RESULT ANALYSIS For different approaches are used for crowd analysis by using visual and non-visual sensors.  ... 
doi:10.26480/aim.01.2019.04.06 fatcat:vxs4rwzeknfulcf7t6xbm5ssgu

Urban Sensing based on Mobile Phone Data: Approaches, Applications and Challenges [article]

Mohammadhossein Ghahramani, MengChu Zhou, Gang Wang
2020 arXiv   pre-print
Much concern in mobile data analysis is related to human beings and their behaviours.  ...  This work aims to review the methods and techniques that have been implemented to discover knowledge from mobile phone data.  ...  Understanding Mobility Flows Mobile phone data allow visualizing the flow of people throughout the entire urban system.  ... 
arXiv:2008.12992v1 fatcat:i7ffg23bpncehoadczgfkuoqe4

Toward An Interdisciplinary Methodology to Solve New (Old) Transportation Problems

Eduardo Graells-Garrido, Vanessa Peña-Araya
2020 Companion Proceedings of the Web Conference 2020  
As case study, we describe how this methodology was applied to define a model to infer commuting trips with mode of transportation from mobile phone data.  ...  In this context, this paper proposes a preliminary methodology toward bridging two disciplines, Data Science and Transportation, to solve urban problems with methods that are suitable for adoption.  ...  We also thank Francisca Arévalo for help in organizing and designing the pilot workshops, and Karina Flores for interviewing experts.  ... 
doi:10.1145/3366424.3384372 dblp:conf/www/Graells-Garrido20a fatcat:ffkrhryulzarhky2cvsxoxtj7u

Toward An Interdisciplinary Methodology to Solve New (Old) Transportation Problems [article]

Eduardo Graells-Garrido, Vanessa Peña-Araya
2020 arXiv   pre-print
As case study, we describe how this methodology was applied to define a model to infer commuting trips with mode of transportation from mobile phone data.  ...  In this context, this paper proposes a preliminary methodology toward bridging two disciplines, Data Science and Transportation, to solve urban problems with methods that are suitable for adoption.  ...  We also thank Francisca Arévalo for help in organizing and designing the pilot workshops, and Karina Flores for interviewing experts.  ... 
arXiv:2002.08956v1 fatcat:ec72uofcenfhtew6fktzfkk2q4
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