Geospatial big data present a new set of challenges and opportunities for cartographic researchers in technical, methodological and artistic realms. New computational and technical paradigms for cartography are accompanying the rise of geospatial big data. Additionally, the art and science of cartography needs to focus its contemporary efforts on work that connects to outside disciplines and is grounded in problems that are important to humankind and its sustainability. Following the development of position papers and a collaborative workshop to craft consensus around key topics, this article presents a new cartographic research agenda focused on making maps that matter using geospatial big data. This agenda provides both longterm challenges that require significant attention and short-term opportunities that we believe could be addressed in more concentrated studies.
Blogs, micro-blogs and online forums underpin a more interconnected world. People communicate ever more and are increasingly keen to explain and illustrate their lives; showing where they are and what they are doing. Desktop, online and mobile mapping landscapes have never been as rich or diverse yet this challenges cartography to adapt and remain relevant in the modern mapping world. We explore the spatial expression and potential value of micro-blogging and Twitter as a social networking tool. Examples of "twitter maps" are reviewed that leverage the Twitter API and online map services to locate some component of the "tweet". Scope, function and design are illustrated through development of two proof-of-concept map mashups that support collaborative real-time mapping and the organisation and display of information for mass user events. Through the experiments in using and organising data in this way we demonstrate the value of "cartoblography" -a framework for mapping the spatial context of micro-blogging.
John Paul Jones, the “Father of the American Navy,” is known for the battletime assertion that he had “not yet begun to fight.” His central role in a triumph of scientific forensic identification more than a century after his death is less known. John Paul Jones died in 1792 and was buried in Paris, France. The location of his grave was lost over time and a search for his corpse began in 1899. Remains matching his physical characteristics and circumstance of burial were discovered in 1905 and returned to the United States for a hero's burial. Some questioned the identification at the time and the major source of identifying information (17) has since been shown to contain false information. The published forensic literature fails to address existing critiques of the identification. We provide a substantive analysis and conclude that the available evidence supports the identification of the unknown remains as those of John Paul Jones. Erratum to this paper appears in 49(5).
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