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Hypermap registry: an open source, standards-based geospatial registry and search platform

Author(s)  Paolo Corti, Benjamin Lewis, Athanasios Tom Kralidis
June, 2018
Springer Nature

On the web there are vast numbers of useful geospatial datasets available, exposed via web map services via open standards or open protocols.

Enhancing discovery in spatial data infrastructures using a search engine

Author(s)  Paolo Corti​, Athanasios Tom Kralidis, Benjamin Lewis
May, 2018
PeerJ Computer Science

A spatial data infrastructure (SDI) is a framework of geospatial data, metadata, users and tools intended to provide an efficient and flexible way to use spatial information. In this paper we present an example of a search engine being added to an SDI to improve search against large collections of geospatial datasets.

The Space Between Us

Author(s)  Ryan Enos
October, 2017
Cambridge University Press

The Space between Us brings the connection between geography, psychology, and politics to life.

The Archaeological Renaissance in the Kurdistan Region of Iraq

Author(s)  Jason Ur
September, 2017
Near Eastern Archaeology

After an absence of over two decades, foreign archaeology has returned in earnest to one of the “cradles of civilization” in the Kurdistan Region of Iraq.

Building a Billion Spatio-Temporal Object Search and Visualization Platform

Author(s)  Devika Kakkar and Ben Lewis
August, 2017
The Second International Symposium on Spatiotemporal Computing

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Spatio-temporal streaming data harvesting and visualization.

The Billion Object Platform (BOP): a system to lower barriers to support big, streaming, spatio-temporal data sources

Author(s)  Devika Kakkar, Ben Lewis, David Smiley, Ariel Nunez​
August, 2017
FOSS4G 2017

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BOP presents a method to harvest streaming data using Kafka, indexing with SOLR, and visualization using OpenLayers and Angular JS.

Enabling Spatiotemporal Analysis and Visualization of Air Pollution in China and India

Author(s)  Merrick Lex Berman, Devika Kakkar, Wendy Guan, and Fei Carnes
August, 2017
The 25th International Conference on Geoinformatics (Buffalo, NY)

This paper presents the preliminary achievements of an on-going effort to develop a free archive of ground-based air pollution data collected from real-time monitoring stations in China and India.

Maintaining Spatial Data Infrastructures (SDIs) using distributed task queues

Author(s)  Paolo Corti, Ben Lewis, Ariel Nunez (Terranodo)
August, 2017
FOSS4G 2017

Building SDIs and geoportals with GeoNode and a search engine

Author(s)  Paolo Corti, Ben Lewis, Devika Kakkar
August, 2017
FOSS4G 2017

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Asynchronous processing and task queues in the WorldMap system.

Making Temporal Search Central in a Spatial Data Infrastructure

Author(s)  Paolo Corti, Ben Lewis
August, 2017
2017 International Symposium on Spatiotemporal Computing

A Community Resource Map to Support Clinical-Community Linkages in a Randomized Controlled Trial of Childhood Obesity, Eastern Massachusetts, 2014-2016.

Author(s)  Fiechtner, Puente, Sharifi, Block, Price, Marshall, Blossom, Gerber, Taveras.
July, 2017
Journal of Chronic Disease Prevention


Novel approaches to health care delivery that leverage community resources could improve outcomes for children at high risk for obesity.

Using Internal Migration to Estimate the Causal Effect of Neighborhood Socioeconomic Context on Health: A Longitudinal Analysis, England, 1995–2008

Author(s)  Mark A. Green, Mariana Arcaya & S. V. Subramanian
June, 2017
Annals of the American Association of Geographers

Evaluating the Current State of Geospatial Software as a Service Platforms: A Comparison Study

Author(s)  Benjamin Lewis, Weihe Wendy Guan, Alenka Poplin
June, 2017

Abstract  The goal of this chapter is to evaluate and compare Geospatial Software as a Service (GSaaS) platforms oriented toward providing basic mapping capabilities to non-GIS experts.

Harvard Hypermap: An Open Source Framework for Making the World’s Geospatial Information more Accessible

Author(s)  Ben Lewis, Paolo Corti and Wendy Guan
April, 2017
AAG 2017 Annual Meeting

Spatial Distribution of Businesses Offering UV Tanning Across 7 U.S. Metro Areas

Author(s)  S. Bryn Austin, Longxiang Li, Allegra R. Gordon, Jeffrey Blossom, Alan Geller, Caterina Stamoulis
March, 2017

Presentation at the 38th Annual Meeting & Scientific Sessions of the Society of Behavioral Medicine

San Diego, CA

March 30, 2017

Putting the Geographic in GIS

Author(s)  Wendy Guan
November, 2016
Geography Awareness Week by the Geography Graduate Student Association (GGSA) of the University at Buffalo

Status of WorldMap, 2016

Author(s)  Paolo Corti, Ben Lewis
November, 2016
GeoNode Summit 2016

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An overview of WorldMap development, system architecture and recently added functions, such as HHypermap Search of WMS layers.

An approach to automate block cartogram creation

Author(s)  Jeff Blossom
October, 2016

by Jeff Blossom

Presented at the North American Cartographic Information Society annual meeting.

October 21, 2017, Colorado Springs.

Implementing an Open Source Spatiotemporal Search Platform for Spatial Data Infrastructures

Author(s)  Ben Lewis, Paolo Corti, Athanasios Tom Kralidis, Ntabathia Jude Mwenda
October, 2016
Open Source Geospatial Research & Education Symposium

Placing Names: Enriching and Extending Gazetteers

Author(s)  Merrick Lex Berman, Ruth Mostern, Humphrey Southall
August, 2016
Indiana University Press

Placing Names discusses the evolution and construction of gazetteers and how they can be used to model our conceptions of historical places,  as well as how t

Building an Open Source, Real-Time, Billion Object Spatio-Temporal Search Plaform

Author(s)  Benjamin Lewis, David Strohschein, Paolo Corti, David Smiley
July, 2016
International Workshop on Cloud Computing and Big Data

This project addresses the need to manage real-time streaming flows of Big-Data, and presents a method for storing, indexing, visualizing and querying a test dataset of archived Geo-tweets.  The  Billion Object Platform(BOP) provides a client and API to browse and search the latest 1 billion geot

Modeling spatiotemporal pattern of agriculture-feasible land in China

Author(s)  Wendy Guan; Kang Wu; Fei Carnes
June, 2016
Transactions in GIS

This study applies a spatial fuzzy multi-criteria evaluation model to determine agricultural feasibility in China based on physical variables (accumulated temperature, sunshine, precipitation, hydrology, elevation and soil properties).

GeoNode Intro & Demo

Author(s)  Cristiano Giovando and Paolo Corti
June, 2016
Dynamic Mapping of Secondary Cities Symposium

An introduction to the GeoNode geospatial data system.  Presented at the Secondary Cities Symposium, Harvard University.   

Modeling the Spatiotemporal Distribution of Agricultural-Feasible Land in China

Author(s)  Wendy Guan, Kang Wu and Fei Carnes
April, 2016
AAG 2016 Annual Meeting

Geospatial Technologies for Teaching

Author(s)  Jeff Blossom, Giovanni Zambotti, Dave Strohschein, Paolo Corti
April, 2016

Presentation by the CGA to the ABCD Technology in Education Working Group.

Spatial analysis of crime incidence and adolescent physical activity

Author(s)  Alyssa I. Robinson, Fei Carnes, Nicolas M. Oreskovic
January, 2016
Preventative Medicine

Adolescents do not achieve recommended levels of physical activity. Crime is believed to be a

Introduction to GIS and the CGA to the Center for Middle Eastern Studies

Author(s)  Jeff Blossom
September, 2015

This presentation introduces the basic concepts of GIS and how to use it, services offered by the CGA, and past projects performed for the Center for Middle Eastern Studies and in the Middle Eastern part of the world.

Visualizing Human Migration Through Space and Time

Author(s)  Zambotti, Giovanni; Guan, Wendy; Gest, Justin Daniel
July, 2015

Human migration has been an important activity in human societies since antiquity. Since 1890, approximately three percent of the world’s population has lived outside of their country of origin.

Visualizing Human Migration through Space and Time

Author(s)  Giovanni Zambotti, Weihe Wendy Guan, Justin Gest
July, 2015

Oral presentation on the 1st International Symposium on Spatiotemporal Computing, Fairfax, Virginia., July 13-15, 2015.


Understanding Today's Online GIS User Through the Lens of a WorldMap Survey

Author(s)  Guan, Wendy; Poplin, Alenka; Lewis, Benjamin G.
June, 2015

WorldMap is an open source online mapping application which aims to lower barriers for scholars who wish to visualize, analyze, organize, present, and publish mapped information.

Investigating Hadoop for Large Spatiotemporal Processing Tasks

Author(s)  David Strohschein, Stephen Mcdonald, Benjamin Lewis and Wendy Guan
April, 2015
AAG Annual Meeting

MapReduce-type approaches using Hadoop have been explored for solving sets of computational problems that were previously too large for traditional GIS systems to handle. Three cases are introduced in this study to demonstrate the implementation of this approach.

Finding HIV in hard to reach populations: Mobile HIV testing and geospatial mapping in Umlazi township, Durban, South Africa

Author(s)  Ingrid V. Bassett • Susan Regan • Hlengiwe Mbonambi • Jeffrey Blossom • Stacy Bogan • Benjamin Bearnot • Marion Robine • Rochelle P. Walensky • Bright Mhlongo • Kenneth A. Freedberg • Hilary Thulare • Elena Losina
March, 2015
AIDS and Behavior

Mobile, community-based HIV testing may help achieve universal HIV testing in South Africa.

Author(s)  Nicolas Oreskovic, Jeff Blossom, et. al.
January, 2015
Geospatial Health

Active commuting to school increases children’s daily physical activity. The built environment is associated with children’s physical activity levels in cross-sectional studies. This study examined the role of the built environment on the outcomes of a “walking school bus” study.

NACIS 2014 Conference Report

Author(s)  Jeff Blossom
October, 2014

The 2014 North American Cartographic Information Society conference was held October 8-11 in Pittsburgh.  Jeff Blossom attended, and presented “1 Minute to 100,000 Years: Mapping The Out of Eden Walk Project”.

Extending WorldMap to Make It Easier  for Humanists and Others to Find, Use, and Publish Geospatial Information

Author(s)  Peter K. Bol, Benjamin G. Lewis, Weihe Wendy Guan
August, 2014
Second International Conference on CyberGIS and Geodesign

How do changes to the built environment influence walking behaviors? a longitudinal study within a university campus in Hong Kong

Author(s)  Guibo Sun, Nicolas M Oreskovic, and Hui Lin
July, 2014
International Journal of Health Geographics.2014, 13:28


Cartography in ArcMap - Making a Basic Country Map

Author(s)  Jeff Blossom, CGA
May, 2014

Walks the user through making a map layout with a primary map, vicinity map, scale bar, north arrow, legend, picture, custom symbols, and splined text

Quantified Self-City-Nation at The Programmable City Launch Event, Ireland

Author(s)  Matthew W. Wilson,
May, 2014

New devices and techniques have emerged to better quantify an individual’s movement, stasis, and even sleep, while a ‘smart city’ discourse and marketing apparatus applies these principles to analysis, representation, and management of the city.

The Development of Historical Data Visualization – a spatiotemporal web application supporting teaching and learning at the Harvard Business School

Author(s)  Giovanni Zambotti, Benjamin Lewis and Weihe Wendy Guan
April, 2014

Oral presentation on the 2014 Association of American Geographers (AAG) Annual Meeting, Tampa, Florida, April 8-12, 2014

On the Cyberinfrastructure for GIS-Enabled Historiography

Author(s)  Peter K. Bol
June, 2013
Space-Time Integration in Geography and GIScience, Annals of the Association of American Geographers, Volume 103, Issue 5, 2013

From a historian's perspective, the use of GIScience and technology in the study of history holds the promise of an integration of historical and geographic modes of analysis.

A Data Community in Practice -- WorldMap at Harvard

Author(s)  Wendy Guan, CGA
May, 2013

presented at 2013 UCGIS Symposium

The Potentials of Integrating WEMS with WorldMap

Author(s)  Wendy Guan, CGA
February, 2013

This presentation is for the 16th meeting of the conferece of the Parties (CoP 16) to the Convention on Internatinal Trade in Engangered Species of Wild Fauna and Flora (CITES), Bangkok, Thailand, March 2-14, 2013.

The growing role of web-based geospatial technology in disaster response and support

Author(s)  Akiyuki Kawasaki, Merrick Lex Berman, and Wendy Guan
December, 2012
Disasters, 37: 201–221

This paper examines changes in disaster response and relief efforts and recent web-based geospatial technological developments through an evaluation of the experiences of the Center for Geographic Analysis, Harvard University, of the Sichuan (2008) and Haiti (2010) earthquake responses.

Trafficked by Sea

Author(s)  Stacy Bogan
November, 2012
Ignite Spatial Boston 4

Researchers at Harvard are investigating many dimensions of human trafficking. One important piece of the research is the distance that trafficked humans will travel at sea between countries.

On an Infrastructure for Historical Spatial Analysis

Author(s)  Peter K. Bol
October, 2012
American Historical Association

Why should historians be interested in looking at space through the geographer's lens?  A  tool such as GIS helps the historian see what was not apparent before.

Spatial-Temporal Simulation of China's High Speed Rail Passenger Transportation System

Author(s)  Wendy Guan, Fengjun Jin, Giovanni Zambotti, Jingjuan Jiao
June, 2012

Embracing Geographic Analysis Beyond Geography - Harvard's Center for Geographic Analysis Enters its 5th Year

Author(s)  Wendy Guan; Peter Bol
April, 2012

Without a department of geography, Harvard University established the Center for Geographic Analysis (CGA) in 2006 to support research and teaching of all disciplines across the University with emerging geospatial technologies.

WorldMap – a geospatial framework for collaborative research

Author(s)  Weihe Wendy Guan, Peter K. Bol, Benjamin G. Lewis, Matthew Bertrand, Merrick Lex Berman & Jeffrey C. Blossom
April, 2012
Annals of GIS

WorldMap is a web-based, map-centric data exploration system built on open-source geospatial technology at Harvard University. It is designed to serve collaborative research and teaching, but is also accessible to the general public.

Guest lecture in the Gov 1008 course

Author(s)  Wendy Guan
November, 2011

what's needed for a career in GIS.

CGA's Haiti Earthquake Response

Author(s)  Jeff Blossom
October, 2011

Guest lecture and hands on lab "Geo-referencing topographic maps and digitizing" for the Harvard Graduate School of Design class "Design and Disaster Development"

Jump-starting the next level of online geospatial collaboration: Lessons from AfricaMap

Author(s)  Benjamin Lewis & Weihe Guan
September, 2011
Advances in Web-based GIS, Mapping Services and Applications, 2011

This article discusses an opportunity to engage in new forms of collaborative research made possible by widespread access to the web and mapping technologies.

Applying GIS Methods to Public Health Research at Harvard University

Author(s)  Jeff Blossom, Julia Finkelstein, Wendy Guan & Bonnie Burns
September, 2011
Journal of Map And Geography Libraries , 7:349–376, 2011

This article will draw on CGA’s experience applying geographic analysis to public health research.

Enabling Geographic Research Across Disciplines: Building an Institutional Infrastructure for Geographic Analysis at Harvard University

Author(s)  Guan, Wendy; Burns, Bonnie A.; Finkelstein, Julia; Blossom, Jeffrey C.
January, 2011
Journal of Map & Geography Libraries

Founded in 1818, the Harvard Map Collection (HMC) is the oldest map collection in America, holding 400,000 maps, more than 6,000 atlases and thousands of reference books.

Application of Geostatistics and GIS Techniques in Hydrology and Soil Sciences

Author(s)  Silvio Simoes
March, 2010
Séminaire de Statistique at the Université Laval, Québec

This presentation shows ptractical way of analyzing hydrological and soils dta using Geostatistics and GIS-based approach at the different scales.

Harvard Revisited: Geography’s Return as GIS

Author(s)  Wendy Guan and Peter K. Bol
October, 2009
The Geography Teacher, Volume 6, Issue 2, pages 1-48

CGA at Harvard University, including operational model, achievements, and perspectives.

Unfolding the landscape drawing method of Rakuchū Rakugai Zu screen paintings in a GIS environment

Author(s)  Akihiro Tsukamoto
October, 2009
International Journal of Humanities and Arts Computing 3 (1–2) 2009, 39–60

In this paper, I propose a new methodology for analysing landscape drawing methods using a GIS. The subject of my analysis is the genre of Japanese screen paintings known as rakuchu rakugai zu ¯ , created between the 16th and 18th centuries.


Author(s)  AkihiroTSUKAMOTO, et al.
October, 2009
International Journal of Humanities and Arts Computing 3 (1–2) 2009, 21–38

This paper explores a method for creating large-scale urban 3D models using Historical GIS data. The method is applied to the Virtual Kyoto Project in which the landscape of the whole city of Kyoto of the early Edo era (ca 17thC) is reconstructed.  

Bringing Operational GIS into University Classrooms

Author(s)  Weihe (Wendy) Guan and Guoping Huang
September, 2009
Geomatica Vol. 63, No. 2, 2009, pp. 375 to 392

This study explores an innovative approach in teaching operational GIS to students who have taken only one introductory GIS course. It brings real world cases into university classrooms and exposes students to practical solutions of multiple scenarios.

Global Oil Production With Google Earth

Author(s)  Jeff Blossom
August, 2009
Oil and the Contemporary Globe Workshop

Workshop presentation on vizualization of Oil Production data using Google Earth.   

Building an Online Geospatial Platform for Collaborative Research: Lessons from AfricaMap

Author(s)  Wendy Guan
June, 2009

Oral presentation on the CPGIS Workshop, Nanjing, China, May-June 2009.

Geospatial Information Technology in EcoCity Planning

Author(s)  Wendy Guan
May, 2009

Oral presentation on the International Ecopolis Forum, Huaibei, China, May 2009.

GIS Workshops and Services Available through the Center for Geographic Analysis (CGA) at Harvard University

Author(s)  Jeff Blossom
March, 2009
Fellowship in General Medicine and Primary Care, Harvard-wide Fellowship Conference.

Africa Map: Infrastructure for Collaboration

Author(s)  Ben Lewis
March, 2009
LiMIT Workshop

Presidential Instructional Technology Fellows

Author(s)  Jeff Blossom
December, 2008

The Conceptualization and System design of AfricaMap – a spatial framework for Africa studies

Author(s)  Peter Bol, Benjamin Lewis and Wendy Guan
April, 2008

Oral presentation on the Association of American Geographers 2008 Annual Meeting, Boston, Massachusetts. April 15-19, 2008.

Embracing Geographic Analysis beyond Geography – Challenges and Opportunities

Author(s)  Wendy Guan
March, 2008

Keynote address on, and in the proceedings of, the Third International Symposium on Health GIS at Niigata University, Niigata, Japan. March 12, 2008.

Introducing GIS and CGA

Author(s)  Jeff Blossom
November, 2007
Harvard Humanitarian Initiative (HSPH)

The Harvard Geospatial Library

Author(s)  Dave Siegel
July, 2007
Northeastern Mapping Organization meeting

Topic is related to success in ArcIMS implementation.

Mapping Africa: a spatial portal for African research

Author(s)  Suzanne Blier, Peter Bol, Benjamin Lewis and Wendy Guan
June, 2007

Poster presentation on the 27th ESRI International Conference, San Diego, CA. June 18-22, 2007.

GITA conference and Denver's enterprise GIS

Author(s)  Jeff Blossom
April, 2007
CGA ABCD-GIS meeting

Mapping the Record of American Democracy (ROAD) 1984-1990

Author(s)  Anders Hopperstead and Wendy Guan
August, 2006

Poster presentation on the 26th ESRI International Conference, San Diego, CA. August 7-11, 2006.