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Articles 91 - 120 of 202
Full-Text Articles in Geography
Secondary Risk Theory: Validation Of A Novel Model Of Protection Motivation, Christopher L. Cummings, Sonny Rosenthal, Wei Yi Kong
Secondary Risk Theory: Validation Of A Novel Model Of Protection Motivation, Christopher L. Cummings, Sonny Rosenthal, Wei Yi Kong
Research Collection College of Integrative Studies
Protection motivation theory states individuals conduct threat and coping appraisals when deciding how to respond to perceived risks. However, that model does not adequately explain today's risk culture, where engaging in recommended behaviors may create a separate set of real or perceived secondary risks. We argue for and then demonstrate the need for a new model accounting for a secondary threat appraisal, which we call secondary risk theory. In an online experiment, 1,246 participants indicated their intention to take a vaccine after reading about the likelihood and severity of side effects. We manipulated likelihood and severity in a 2 × …
Guest Editorial: Disaster, State And Science: Historical Narratives Of Extreme Weather In East Asia And The Pacific, Fiona Williamson
Guest Editorial: Disaster, State And Science: Historical Narratives Of Extreme Weather In East Asia And The Pacific, Fiona Williamson
Research Collection School of Social Sciences
This curated special issue asks how history can be used as a lens into disaster and disaster management. It takes as its premise the idea that approaches from different disciplines - including the humanities and social sciences – can offer new perspectives on understanding disaster, managing disaster and disaster risk. The concept is not new, historically focussed studies have long provided meat for hazard investigations and modelling, especially those focused on geological or hydrological time-series analyses; multi-hazard interactions and identifying historical underliers for contemporary risk. It has become increasingly common, for example, to include historians in collaborative efforts to better …
The Territoriality Of Teams: Assembling Power Through The Playing Of Pokémon Go, Orlando Woods
The Territoriality Of Teams: Assembling Power Through The Playing Of Pokémon Go, Orlando Woods
Research Collection School of Social Sciences
This paper explores how the playing of Pokémon Go can cause power to be assembled, and team-based expressions of territoriality to manifest. By playing the game, players become embedded within digital assemblages of power, which they reproduce through their interactions with other players, game features, and public spaces. When digital assets—such as gyms—are indexed to public spaces, players work together in teams to compete for digital ownership, and control, of these assets. In turn, this leads to the forging of a team-based sense of territoriality that is pervasive, and maximized by consolidating the power of the assemblage. Qualitative data are …
Flood Mortality In Se Asia: Can Palaeo-Historical Information Help Save Lives?, Alan D. Ziegler, H. S. Lim, Robert J. Wasson, Fiona Williamson
Flood Mortality In Se Asia: Can Palaeo-Historical Information Help Save Lives?, Alan D. Ziegler, H. S. Lim, Robert J. Wasson, Fiona Williamson
Research Collection School of Social Sciences
Asia is one of the world's most flood-prone regions by many metrics: high flood magnitudes, frequency, severity; the number countries affected, the area of inundation; the number of people at risk; and importantly, flood-related fatalities (AIR, 2014; Luo, Maddoks, Iceland, Ward, & Winsemius, 2015; Table 1). We explore the idea that flood-related mortality from river over-bank flows in the SE Asian region could be reduced by incorporating evidence from the past to foster a better understanding of the realm of plausible flood regimes, and hopefully guide improved flood hazard management practices in the future (Lebel, Manuta, & Garden, 2011).
Geographies Of Creativity: Inherited Concepts, Revised Vistas, Anjeline De Dios, Lily Kong
Geographies Of Creativity: Inherited Concepts, Revised Vistas, Anjeline De Dios, Lily Kong
Research Collection School of Social Sciences
Given growing criticism in recent years against what might variously be referred to as the ideology of creativity, the hegemony of creativity, and enforced creativity, it might seem unwise to produce a book, let alone a handbook, about creativity. As far as conceptual fads go, the creative turn has itself taken such a diverse trajectory of ‘turns’, oftentimes in divergent ways that do not interact, that the term may justly be discredited in some quarters. Nevertheless, strategies and policies anchored on the notion of creativity remain enthusiastically adopted and adapted in many policy circles, perhaps particularly in the Asia-Pacific region, …
Gamifying Place, Reimagining Publicness: The Heterotopic Inscriptions Of Pokémon Go, Orlando Woods
Gamifying Place, Reimagining Publicness: The Heterotopic Inscriptions Of Pokémon Go, Orlando Woods
Research Collection School of Social Sciences
This paper explores the transformative effects of augmented reality mobile games on society and space. By layering playfulness onto public space through a digital interface, augmented reality mobile games create a pervasive sense of play that can be accessed by players potentially anywhere, and at any time. Games like these can therefore be understood as heterotopic inscriptions on otherwise mundane environments. Since being released in 2016, Pokémon Go has become one of the most popular augmented reality games in the world. It gamifies place by embedding digital objects within public spaces; in doing so, it can bring about a reimagination …
Towards More Inclusive Smart Cities: Reconciling The Divergent Logics Of Data And Discourse At The Margins, Jane Yeonjae Lee, Orlando Woods, Lily Kong
Towards More Inclusive Smart Cities: Reconciling The Divergent Logics Of Data And Discourse At The Margins, Jane Yeonjae Lee, Orlando Woods, Lily Kong
Research Collection School of Social Sciences
In this article, we survey a growing body of literature within geography and other intersecting fields that trains attention on what inclusive smart cities are, or what they could be. In doing so, we build on debates around smart citizens, smart public participation, and grassroots and bottom-up smart cities that are concerned with making smart cities more inclusive. The growing critical scholarship on such dis- courses, however, alerts us to the knowledge politics that are involved in, and the urban inequalities that are deeply rooted within, the urban. Technological interventions con- tribute to these politics and inequalities in various ways. …
When Doing More Requires Knowing More: Explaining The Intention To Seek Procedural Information About Recycling, Sonny Rosenthal, Yan Wah Leung
When Doing More Requires Knowing More: Explaining The Intention To Seek Procedural Information About Recycling, Sonny Rosenthal, Yan Wah Leung
Research Collection College of Integrative Studies
This study examines the relationship between the intention to recycle more and the intention to seek procedural information, in this case, information about how to recycle. In contrast to prior research that used information seeking as a predictor of behavior change, this study considers behavioral intention as a predictor of intention to seek information. Regression analysis of survey data from Singapore residents confirms that prediction, explaining 27% of the variance in intention to seek procedural information. Moderation analysis suggests the effect of intention to recycle more is stronger among individuals with low recycling self-efficacy. An alternative analysis suggests the greater …
Chinese Temple Networks In Southeast Asia: A Webgis Digital Humanities Platform For The Collaborative Study Of The Chinese Diaspora In Southeast Asia, Yingwei Yan, Kenneth Dean, Chen-Chieh Feng, Guan Thye Hue, Khee-Heong Koh, Lily Kong, Chang Woei Ong, Arthur Tay, Yi-Chen Wang, Yiran Xue
Chinese Temple Networks In Southeast Asia: A Webgis Digital Humanities Platform For The Collaborative Study Of The Chinese Diaspora In Southeast Asia, Yingwei Yan, Kenneth Dean, Chen-Chieh Feng, Guan Thye Hue, Khee-Heong Koh, Lily Kong, Chang Woei Ong, Arthur Tay, Yi-Chen Wang, Yiran Xue
Research Collection School of Social Sciences
This article introduces a digital platform for collaborative research on the Chinese diaspora in Southeast Asia, focusing on networks of Chinese temples and associations extending from Southeast China to the various port cities of Southeast Asia. The Singapore Historical Geographic Information System (SHGIS) and the Singapore Biographical Database (SBDB) are expandable WebGIS platforms gathering and linking data on cultural and religious networks across Southeast Asia. This inter-connected platform can be expanded to cover not only Singapore but all of Southeast Asia. We have added layers of data that go beyond Chinese Taoist, Buddhist, and popular god temples to also display …
Summer Average Urban-Rural Surface Temperature Differences Do Not Indicate The Need For Urban Heat Reduction, Alberto Martilli, Matthias Roth, Winston T. L. Chow, Et Al
Summer Average Urban-Rural Surface Temperature Differences Do Not Indicate The Need For Urban Heat Reduction, Alberto Martilli, Matthias Roth, Winston T. L. Chow, Et Al
Research Collection School of Social Sciences
This is a comment to the paper "Magnitude of urban heat islands largely explained by climate and population" by Manoli et al. (2019, Nature 573 p. 55-60; https://doi.org/10.1038/s41586-019-1512-9)
Minding Other People's Business: Community Attachment And Anticipated Negative Emotion In An Extended Norm Activation Model, Sonny Rosenthal, Kang Leng Ho
Minding Other People's Business: Community Attachment And Anticipated Negative Emotion In An Extended Norm Activation Model, Sonny Rosenthal, Kang Leng Ho
Research Collection College of Integrative Studies
This study extended the norm activation model in the context of litter reduction to explain self-managing (e.g., avoiding littering) and other-managing (e.g., picking up litter) behaviors. Although those kinds of behaviors are conceptually distinct, prior research has not explained differences in their prediction. This study addresses that gap by considering the roles of community attachment and anticipated negative emotion in other-managing behavior. The addition of those predictors creates a second explanatory pathway in the norm activation model. Results showed awareness of consequences, ascription of responsibility, and community attachment predicted personal norm (R2 = 0.54), which predicted self-managing behavior (R2 = …
Bayesian Calibration At The Urban Scale: A Case Study On A Large Residential Heating Demand Application In Amsterdam, Cheng-Kai Wang, Simon Tindemans, Clayton Miller, Giorgio Agugiaro, Jantien Stoter
Bayesian Calibration At The Urban Scale: A Case Study On A Large Residential Heating Demand Application In Amsterdam, Cheng-Kai Wang, Simon Tindemans, Clayton Miller, Giorgio Agugiaro, Jantien Stoter
Research Collection College of Integrative Studies
A bottom-up building energy modelling at the urban scale based on Geographic Information System and semantic 3D city models can provide quantitative insights to tackle critical urban energy challenges. Nevertheless, incomplete information is a common obstacle to produce reliable modelling results. The residential building heating demand simulation performance gap caused by input uncertainties is discussed in this study. We present a data-driven urban scale energy modelling framework from open-source data harmonization, sensitivity analysis, heating demand simulation at the postcode level to Bayesian calibration with six years of training data and two years of validation data. Comparing the baseline and the …
Geography, Trade, And Internal Migration In China, Lin Ma, Yang Tang
Geography, Trade, And Internal Migration In China, Lin Ma, Yang Tang
Research Collection School Of Economics
This paper quantitatively studies the local welfare impacts of inter-city migration in China. We structurally estimate a trade model with endogenous migration decisions using data from 279 prefecture-level cities. The results suggest that inflows of migrant workers increase welfare in the destination cities between 2000 and 2005 despite their negative impacts on congestion and nominal wage. The positive local impacts of migration depend crucially on the endogenous firm entry. The positive impacts in the destination cities also spill over to the neighboring cities through inter-city trade, often leading to higher welfare gains in the nearby cities than the destination cities …
Spatial Multi-Objective Land Use Optimization Toward Livability Based On Boundary-Based Genetic Algorithm: A Case Study In Singapore, Kai Cao, Muyang Liu, Shu Wang, Mengqi Liu, Wenting Zhang, Qiang Meng, Bo Huang
Spatial Multi-Objective Land Use Optimization Toward Livability Based On Boundary-Based Genetic Algorithm: A Case Study In Singapore, Kai Cao, Muyang Liu, Shu Wang, Mengqi Liu, Wenting Zhang, Qiang Meng, Bo Huang
Research Collection School Of Computing and Information Systems
In this research, the concept of livability has been quantitatively and comprehensively reviewed and interpreted to contribute to spatial multi-objective land use optimization modelling. In addition, a multi-objective land use optimization model was constructed using goal programming and a weighted-sum approach, followed by a boundary-based genetic algorithm adapted to help address the spatial multi-objective land use optimization problem. Furthermore, the model is successfully and effectively applied to the case study in the Central Region of Queenstown Planning Area of Singapore towards livability. In the case study, the experiments based on equal weights and experiments based on different weights combination have …
Unlocking Pre-1850 Instrumental Meteorological Records: A Global Inventory, Stefan Bronnimann, Rob Allan, Linden Ashcroft, Saba Baer, Mariano Barriendos, Fiona Williamson, Et Al
Unlocking Pre-1850 Instrumental Meteorological Records: A Global Inventory, Stefan Bronnimann, Rob Allan, Linden Ashcroft, Saba Baer, Mariano Barriendos, Fiona Williamson, Et Al
Research Collection School of Social Sciences
A global inventory of early instrumental meteorological measurements is compiled. It comprises thousands of series, many of which have not been digitized, pointing to the potential of weather data rescue.Instrumental meteorological measurements from periods prior to the start of national weather services are designated “early instrumental data”. They have played an important role in climate research as they allow daily-to-decadal variability and changes of temperature, pressure, and precipitation, including extremes, to be addressed. Early instrumental data can also help place 21st century climatic changes into a historical context such as to define pre-industrial climate and its variability. Until recently, the …
“Daughter” As A Positionality And The Gendered Politics Of Taking Parents Into The Field, Menusha De Silva, Kanchan Gandhi
“Daughter” As A Positionality And The Gendered Politics Of Taking Parents Into The Field, Menusha De Silva, Kanchan Gandhi
Research Collection School of Social Sciences
Research on gendered politics of the field has delved into the practices of accompaniment and its implications on research and knowledge production, particularly through the case of researchers’ children and partners. In comparison, the tendency to seek assistance from parents is neglected within the scholarship. Drawing on the PhD fieldwork experiences of two researchers in their “native” country, specifically a Sri Lankan researcher conducting fieldwork in Sri Lanka and a North Indian scholar researching in South India, the paper reveals parents’ contribution to the research process, in terms of enhancing researcher credibility, facilitating contact‐making and access, and providing emotional and …
Searching Activity Trajectories With Semantics, Li-Hua Yin, Huiwen Liu
Searching Activity Trajectories With Semantics, Li-Hua Yin, Huiwen Liu
PhD Student’s Publications Collection
With the widespread use of smart phones and mobile Internet, social network users have generated massive geo-tagged tweets, photos and videos to form lots of informative trajectories which reveal not only their spatio-temporal dynamics, but also their activities in the physical world. Existing spatial trajectory query studies mainly focus on analyzing the spatio-temporal properties of the users’ trajectories, while leaving the understanding of their activities largely untouched. In this paper, we incorporate the semantics of the activity information embedded in trajectories into query modelling and processing, with the aim of providing end users more informative and meaningful results. To this …
Commoning Mobility: Towards A New Politics Of Mobility Transitions, Anna Nikolaeva, Peter Adey, Tim Cresswell, Jane Yeonjae Lee, Andre Nóvoa, Cristina Temenos
Commoning Mobility: Towards A New Politics Of Mobility Transitions, Anna Nikolaeva, Peter Adey, Tim Cresswell, Jane Yeonjae Lee, Andre Nóvoa, Cristina Temenos
Research Collection School of Social Sciences
Scholars have argued that transitions to more sustainable and just mobilities require moving beyond technocentrism to rethink the very meaning of mobility in cities, communities, and societies. This paper demonstrates that such rethinking is inherently political. In particular, we focus on recent theorisations of commoning practices that have gained traction in geographic literatures. Drawing on our global comparative research of low‐carbon mobility transitions, we argue that critical mobilities scholars can rethink and expand the understanding of mobility through engagement with commons–enclosure thinking. We present a new concept, “commoning mobility,” a theorisation that both envisions and shapes practices that develop fairer …
Project Sidewalk: A Web-Based Crowdsourcing Tool For Collecting Sidewalk Accessibility Data At Scale, Manaswi Saha, Michael Saugstad, Hanuma Maddali, Aileen Zeng, Ryan Holland, Steven Bower, Aditya Dash, Sage Chen, Anthony Li, Kotaro Hara, Jon Froehlich
Project Sidewalk: A Web-Based Crowdsourcing Tool For Collecting Sidewalk Accessibility Data At Scale, Manaswi Saha, Michael Saugstad, Hanuma Maddali, Aileen Zeng, Ryan Holland, Steven Bower, Aditya Dash, Sage Chen, Anthony Li, Kotaro Hara, Jon Froehlich
Research Collection School Of Computing and Information Systems
We introduce Project Sidewalk, a new web-based tool that enables online crowdworkers to remotely label pedestrian-related accessibility problems by virtually walking through city streets in Google Street View. To train, engage, and sustain users, we apply basic game design principles such as interactive onboarding, mission-based tasks, and progress dashboards. In an 18-month deployment study, 797 online users contributed 205,385 labels and audited 2,941 miles of Washington DC streets. We compare behavioral and labeling quality differences between paid crowdworkers and volunteers, investigate the effects of label type, label severity, and majority vote on accuracy, and analyze common labeling errors. To complement …
Centroid-Amenities: An Interactive Visual Analytical Tool For Exploring And Analyzing Amenities In Singapore, Xue Qian Jazreel Siew, Sean Jia Ming Koh
Centroid-Amenities: An Interactive Visual Analytical Tool For Exploring And Analyzing Amenities In Singapore, Xue Qian Jazreel Siew, Sean Jia Ming Koh
Research Collection School Of Computing and Information Systems
Planning for civic amenities in a fast-changing urban setting such as Singapore is never an easy task. And as urban planners look toward more data-driven approaches toward urban planning, so grows the demand for more flexible geospatial analytics tools to facilitate a more iterative and granular approach toward urban planning. Such specific tools however, are not always readily available as plugins for traditional desktop GIS software, as numerous customizations must be made to model specific temporal planning scenarios for quick analysis, which could prove both costly and time-consuming. Hence, to address this need, open-source tools such as R Shiny could …
Dialogue With Religious Life In Asia, Lily Kong, Junxi Qian
Dialogue With Religious Life In Asia, Lily Kong, Junxi Qian
Research Collection School of Social Sciences
Over the past decade or so, debates on the advent of a postsecular present have moved center-stage in social and cultural theory. These exchanges have made commendable achievements in analyzing the increasing relevance of religion to public politics and policies. Theorization of the postsecular makes for a hefty intellectual agenda, and a comprehensive review of this agenda is clearly beyond the scope of a single contribution, addressed, more appropriately, in a collective way by this Handbook. Nevertheless, we would like to contribute a few ideas to help delineate the broader permutations of the postsecular turn in social sciences, which serve …
Unearthing The X-Streams: Visualizing Water Contamination, Akangsha Bandalkul, Angad Srivastava, Kishan Bharadwaj Shridhar, Jason Guan Jie Ong, Yanrong Zhang
Unearthing The X-Streams: Visualizing Water Contamination, Akangsha Bandalkul, Angad Srivastava, Kishan Bharadwaj Shridhar, Jason Guan Jie Ong, Yanrong Zhang
Research Collection School Of Computing and Information Systems
The datasets released for VAST 2018 Mini Challenge 2 pertain to sensor readings capturing chemical concentrations and physical properties from water bodies in the Boonsong Lekagul wildlife preserve. This challenge is in continuation to the VAST 2017 Challenge, where the company Kasios was identified as the culprit in dumping the chemical - Methylosmoline. In the absence of actual chemical measurements in the soil, challenge participants need to visualize chemical contamination based on the proximal water bodies to identify trends of interest. A horizon plot developed helps to narrow down the complete list of 106 chemicals provided to only 7, …
Malaya's Greatest Menace? Slow-Onset Disaster And The Muddy Politics Of British Malaya, C. 1900–50, Fiona Williamson
Malaya's Greatest Menace? Slow-Onset Disaster And The Muddy Politics Of British Malaya, C. 1900–50, Fiona Williamson
Research Collection School of Social Sciences
In 1948, a chilling statement from British Malaya’s Director of Agriculture, F. Burnett, made headline news. According to Burnett, unchecked soil erosion across hillside Malaya would soon render the country’s precious agricultural land infertile. Erosion had worsened considerably after the 1880s due to widespread, indiscriminate agricultural and industrial clearing. By the 1920s, it had become a sizeable socioeconomic and environmental issue, thought also to contribute to the scale and intensity of flooding and the likelihood of dangerous landslips. The British Government raised a series of empire-wide inquiries across the first half of the twentieth century, tied to an emerging global …
Disasters Fast And Slow: The Temporality Of Hazards In Environmental History, Fiona Williamson, Chris Courtney
Disasters Fast And Slow: The Temporality Of Hazards In Environmental History, Fiona Williamson, Chris Courtney
Research Collection School of Social Sciences
Popular representations of disasters tend to focus upon dramatic moments of chaos. They envision panicked communities desperately scrambling for safety as earthquakes reduce cities to rubble or lava turns villages to ashes. Yet disasters actually unfold on numerous temporal scales. Media reports tend to reduce disasters to discrete events, initiated on the shallow causal timescale of a meteorological fluctuation or seismic disruption. Social scientists, by contrast, have often sought to emphasise the processual nature of disasters—embedding causality in the deeper timescale of a community, in which risk and vulnerability build over months or years.2 Environmental historians elongate causality even further, …
Climate Change And Technology: Examining Opinion Formation Of Geoengineering, Christopher L. Cummings, Sonny Rosenthal
Climate Change And Technology: Examining Opinion Formation Of Geoengineering, Christopher L. Cummings, Sonny Rosenthal
Research Collection College of Integrative Studies
The term “climate change” has evolved from what was originally a technical term employed by scientists into a symbolic referent involving complex social, political, and moral considerations that have spurred worldwide debate. As evidence of the anthropogenic influence on the Earth’s climate has grown over the past few decades, climate change has come to be viewed as a primary challenge to be confronted in the twenty-first century. Geoengineering, or climate engineering, is a set of large-scale technological interventions proposed to offset climatic changes. This study seeks to understand which factors contribute to, or alternatively, detract from public acceptance of geoengineering …
Revisiting Image Of The City In Cyberspace: Analysis Of Spatial Twitter Messages During A Special Event, Junfeng Jiao, Michael Holmes, Greg P. Griffin
Revisiting Image Of The City In Cyberspace: Analysis Of Spatial Twitter Messages During A Special Event, Junfeng Jiao, Michael Holmes, Greg P. Griffin
Research Collection College of Integrative Studies
This research investigated people’s communication of urban space as reflected in Twitter messages (tweets) during the 2012 Super Bowl. The authors archived over 600,000 tweets related to the Super Bowl from January 23 through early February 6. The authors identified 78 Indianapolis-area places or routes named in the tweets. Based on occurrence of these terms, the authors retained 9,103 city-specific messages for analysis. The frequency of such tweets changed over the two-week period and peaked two days before game day. Instances of all of Lynch’s (1960) The Image of the City elements (node, district, landmark, path, and edge) were found …
Uncertain Skies: Forecasting Typhoons In Hong Kong Ca. 1874-1906, Fiona Williamson
Uncertain Skies: Forecasting Typhoons In Hong Kong Ca. 1874-1906, Fiona Williamson
Research Collection School of Social Sciences
This paper explores the conceptualisation of «uncertainty» in late nineteenth- century meteorological thought. By investigating the story of meteorological forecasting in nineteenth and early twentieth century Hong Kong, it considers the changing ways in which forecasting was judged historically. In the early nineteenth century forecasting the weather was considered impossible. By the end of the century, it was confidently expected that the much improved understanding of weather patterns would lead to the ability to better predict them. During the intervening period «uncertainty» competed with «certainty» and «prediction» was mistaken for «predictability». The shift in perception was driven by various factors, …
Towards New Weather And Climate Baselines For Assessing Weather And Climate Extremes, Impacts, And Risks, Fiona Williamson, Rob Allan, Roseanne D'Arrigo
Towards New Weather And Climate Baselines For Assessing Weather And Climate Extremes, Impacts, And Risks, Fiona Williamson, Rob Allan, Roseanne D'Arrigo
Research Collection College of Integrative Studies
Initiatives to recover (sourcing, imaging, digitizing) historic datasets for generating more accurate longterm climate models have only gained momentum over the last decade, despite a long precedent of compelling arguments as to the value of historic weather observations (Le Roy Ladurie, 1972; Lamb, 1977). Although such work is relatively well established in Europe, the United States, China, and Japan; Southeast Asia currently has a dearth of data rescue initiatives with a long historical focus. The reasons behind this include a perception of the paucity of surviving data; the scattered nature of data due to shifts between colonial rule and independence …
Modeling Check-In Behavior With Geographical Neighborhood Influence Of Venues, Thanh Nam Doan, Ee Peng Lim
Modeling Check-In Behavior With Geographical Neighborhood Influence Of Venues, Thanh Nam Doan, Ee Peng Lim
Research Collection School Of Computing and Information Systems
With many users adopting location-based social networks (LBSNs) to share their daily activities, LBSNs become a gold mine for researchers to study human check-in behavior. Modeling such behavior can benefit many useful applications such as urban planning and location-aware recommender systems. Unlike previous studies [4,6,12,17] that focus on the effect of distance on users checking in venues, we consider two venue-specific effects of geographical neighborhood influence, namely, spatial homophily and neighborhood competition. The former refers to the fact that venues share more common features with their spatial neighbors, while the latter captures the rivalry of a venue and its nearby …
Spatiotemporal Identification Of Anomalies In A Wildlife Preserve, Bharadwaj Kishan, Jason Guan Jie Ong, Yanrong Zhang, Tin Seong Kam
Spatiotemporal Identification Of Anomalies In A Wildlife Preserve, Bharadwaj Kishan, Jason Guan Jie Ong, Yanrong Zhang, Tin Seong Kam
Research Collection School Of Computing and Information Systems
The datasets released for the VAST Challenge 2017 comprise vehicle movement data captured with RFID sensors, chemical emission data from factories captured by gas sensors, and image attributes of the wildlife plant health obtained from satellites, all pertaining to a fictional wildlife preserve. Using visual analytics, a compelling hypothesis is established to link the spatiotemporal datasets to the phenomenon, where the count of a bird specimen is found to decline over a given year. Anomalies in vehicle traffic patterns are linked to proximal factory emissions, and further associated with satellite imagery that show proof of degradation in plant quality in …