The latest outputs from researchers, alumni and friends at the UCL Centre for Advanced Spatial Analysis (CASA).
As the AAG has just wrapped up I thought I would write brief (well actually quite long) post on the talks that I was involved with at the conference. These talks would not have been possible without the many great students and colleagues who I have bee…
Continue reading »In the past we have explored various ways to explore vaccine hesitancy and keeping with this theme we have a new paper published in PLOS ONE entitled “Understanding the determinants of vaccine hesitancy in the United States: A comparison of social surv…
Continue reading »In the past, this blog has explored several aspects of Detroit, such as how well its covered with Volunteered Street View Imagery or how through the use of agent-based models one can explore issues with urban shrinkage. Keeping up with the theme of shr…
Continue reading »At the upcoming International Conference on Geographic Information Science (GIScience 2023) Boyu Wang and myself have a new paper entitled “Agent-Based Modeling of Consumer Choice by Utilizing Crowdsourced Data and Deep Learning.” In the paper we explo…
Continue reading »At this years Association of American Geographers (AAG) Annual Meeting we have a number of presentations ranging from how one can leverage newspaper articles to study cities over time, to that of how people may chose to become vaccinated. These present…
Continue reading »At this years Association of American Geographers (AAG) Annual Meeting we have a number of presentations ranging from how one can leverage newspaper articles to study cities over time, to that of how people may chose to become vaccinated. These present…
Continue reading »Continuing our work on social media and vaccinations, Qingqing Chen, Arie Croitoru, and myself have a new paper entitled “A comparison between online social media discussions and vaccination rates: A tale of four vaccines” published in DIGITAL HE…
Continue reading »Continuing our work on social media and vaccinations, Qingqing Chen, Arie Croitoru, and myself have a new paper entitled “A comparison between online social media discussions and vaccination rates: A tale of four vaccines” published in DIGITAL HE…
Continue reading »In the recently released “Handbook of Spatial Analysis in the Social Sciences” edited by Sergio Rey and Rachel Franklin, we (Alison Heppenstall, Ed Manley, Nicolas Malleson and myself) have a chapter entitled “Simulating Geographical Systems using Cell…
Continue reading »In the recently released “Handbook of Spatial Analysis in the Social Sciences” edited by Sergio Rey and Rachel Franklin, we (Alison Heppenstall, Ed Manley, Nicolas Malleson and myself) have a chapter entitled “Simulating Geographical Systems using Cell…
Continue reading »It seems that its been a quite some time that we posted about geosocial analysis but in a recent paper with Fuzhen Yin and Li Yin entitled “Information Propagation on Cyber, Relational and Physical Spaces about Covid-19 Vaccine: Using Socia…
Continue reading »It seems that its been a quite some time that we posted about geosocial analysis but in a recent paper with Fuzhen Yin and Li Yin entitled “Information Propagation on Cyber, Relational and Physical Spaces about Covid-19 Vaccine: Using Socia…
Continue reading »Heads up — I have a new clusters paper out, open access, written with Emmanouil Tranos and Christoph Stich.It’s largely technical — we develop a new set of tools for tracking cluster evolution using geolocated business website text and metadata, then t…
Continue reading »In the past we have written about how vaccination is discussed on social media but such studies were often just focused on short study periods (i.e. a month). However, with the current COVID-19 pandemic we thought we would revisit the vaccination …
Continue reading »In the past we have written about how vaccination is discussed on social media but such studies were often just focused on short study periods (i.e. a month). However, with the current COVID-19 pandemic we thought we would revisit the vaccination …
Continue reading »Tuning back to our work on geosocial analysis we (Xiaoyi Yuan, Ron Mahabir, Arie Croitoru and myself) recently had a paper published in GeoJournal entitled “Achieving Situational Awareness of Drug Cartels with Geolocated Social Media.” The o…
Continue reading »Tuning back to our work on geosocial analysis we (Xiaoyi Yuan, Ron Mahabir, Arie Croitoru and myself) recently had a paper published in GeoJournal entitled “Achieving Situational Awareness of Drug Cartels with Geolocated Social Media.” The o…
Continue reading »Turning our attention back to agent-based modeling, in the recently open access edited volume by Wenzhong Shi, Michael Goodchild, Michael Batty, Mei-Po Kwan and Anshu Zhang entitled Urban Informatics, Alison Heppenstall, Nick Malleson, Ed Manley and my…
Continue reading »Turning our attention back to agent-based modeling, in the recently open access edited volume by Wenzhong Shi, Michael Goodchild, Michael Batty, Mei-Po Kwan and Anshu Zhang entitled Urban Informatics, Alison Heppenstall, Nick Malleson, Ed Manley and my…
Continue reading »Its been a while since (to say the least), that we wrote a position paper about agent-based modeling. But with agent-based modeling becoming more widely accepted and the growth of machine learning within the geographical sciences we thought we wo…
Continue reading »Its been a while since (to say the least), that we wrote a position paper about agent-based modeling. But with agent-based modeling becoming more widely accepted and the growth of machine learning within the geographical sciences we thought we wo…
Continue reading »Continuing our work on machine learning and agent-based modeling, at the upcoming Computational Social Science (CSS 2020) annual conference, Dale Brearcliffe and myself have a paper entitled: “Creating Intelligent Agents: Combining Agent-Based Mo…
Continue reading »Continuing our work on machine learning and agent-based modeling, at the upcoming Computational Social Science (CSS 2020) annual conference, Dale Brearcliffe and myself have a paper entitled: “Creating Intelligent Agents: Combining Agent-Based Mo…
Continue reading »While in previous posts we have discussed machine learning (ML) with respect to social media analysis, we have also been exploring how one can use it in agent-based modeling. One of the first examples of this is a new paper with Paul Cummings which has…
Continue reading »While in previous posts we have discussed machine learning (ML) with respect to social media analysis, we have also been exploring how one can use it in agent-based modeling. One of the first examples of this is a new paper with Paul Cummings which has…
Continue reading »I have always dreamed about doing some contribution towards improving the gender balance in technology, which as you may know, is far from ideal. Fortunately the opportunity arose, when Katrina Walker has invited me to teach the “Data Analytics” bootcamp … Continue reading →
Continue reading »Anna and I have a new CEP Discussion Paper out looking at innovation and productivity in UK firms. Read it here.It’s quite technical. Working with the data science firm Growth Intelligence, we combine rich administrative info with media text and machin…
Continue reading »Following on from our work on bots and health discussions in relation to online social networks (OSNs), Xiaoyi Yuan, Ross Schuchard and myself have just published a paper entitled “Examining Emergent Communities and Detecting Social Bots within the Pol…
Continue reading »My PechaKucha talk at DataBeers : “Visualizing Geolocated Tweets: a Spatial Data Mining Approach”.
Inspired by @jeroenhjanssens, author of the Data Science Toolbox, I decided to give a go to one of the most unfriendly data sources: An XML API. Apart from its rich syntax with query capabilities, I tend think XML is highly … Continue reading →
Recently I have been looking into different algorithms for the clustering geospatial data. The problem of finding “similar” regions in space, is a very interesting one, since this type of classification enables a whole range of applications (e.g.: urban development, … Continue reading →