By Daniel Sui, Sarah Elwood, Michael Goodchild
The phenomenon of volunteered geographic details is a part of a profound transformation in how geographic facts, details, and information are produced and circulated. via situating volunteered geographic info (VGI) within the context of big-data deluge and the data-intensive inquiry, the 20 chapters during this publication discover either the theories and purposes of crowdsourcing for geographic wisdom creation with 3 sections concentrating on 1).VGI, Public Participation, and Citizen technology; 2). Geographic wisdom creation and position Inference; and 3). rising purposes and New demanding situations. This publication argues that destiny growth in VGI study relies largely on construction robust linkages with diversified geographic scholarship. participants of this quantity situate VGI study in geography’s middle issues with house and position, and supply a number of methods of addressing continual demanding situations of caliber insurance in VGI. This e-book positions VGI as a part of a shift towards hybrid epistemologies, and possibly a fourth paradigm of data-intensive inquiry around the sciences. It additionally considers the consequences of VGI and the exaflood for additional time-space compression and new varieties, levels of electronic inequality, the renewed significance of geography, and the function of crowdsourcing for geographic wisdom production.
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Extra resources for Crowdsourcing Geographic Knowledge: Volunteered Geographic Information (VGI) in Theory and Practice
Finally, the internal heterogeneity of VGI data sets that are assembled through the collaborative efforts of many volunteers complicates value assessments. In particular, the standard approaches for evaluating data accuracy and completeness 2 Understanding the Value of VGI 23 referred to earlier were designed to apply to GI that was produced entirely by a single author or entity. Notwithstanding the self-policing nature of communities engaged in user-generated content, data quality can vary substantially between contributors to a given data set.
1999). The cathedral and the bazaar: Musings on Linux and open source by an accidental revolutionary. Cambridge, MA: O’Reilly. , & Loomis, J. (2009). The total economic value of threatened, endangered and rare species: An updated meta-analysis. Ecological Economics, 68, 1535–1548. Roche, S. (2011). De la cartographie participative aux WikiSIG. In O. Walser, L. Thévoz, F. Joerin, M. Schuler, S. Joost, B. Debarbieux, & H. ), Les SIG au service du développement territorial (pp. 117–129). Lausanne: Presses polytechniques et universitaires romandes.
This improvement is another characteristic of the social value of VGI. Improving spatial enablement, for a group of people, or even an organization or the society itself, is part of geosocial added value. The high profile examples mentioned above illustrate that it is possible to at least approximate the relative value of certain types of VGI. g. privacy encroachments) of VGI accrue is more problematic. This is due in part to the fact that, more than its authoritative counterparts, VGI’s value is a function of both the intrinsic characteristics of the data that citizen volunteers create and the socio-technological processes through which these data are produced and used.
Crowdsourcing Geographic Knowledge: Volunteered Geographic Information (VGI) in Theory and Practice by Daniel Sui, Sarah Elwood, Michael Goodchild