Blogs

POI Pulse: A Multi-Granular, Semantic Signatures-Based Approach for the Interactive Visualization of Big Geosocial Data

The text below is from a recent paper on which we've been working:

McKenzie, G., Janowicz, K., Gao, S., Yang, JA., Hu, Y., (2014: Under Review) POI Pulse: A Multi-Granular, Semantic Signatures-Based Approach for the Interactive Visualization of Big Geosocial Data.

The POI Pulse application in action: http://stko-poi.geog.ucsb.edu/prod/lapulse (please use Chromium or Firefox)


Workshop on Geographic Information Observatories 2014 call for paper

Our workshop proposal has been accepted by the GIScience 2014 conference, which will be held in Vienna, September, 23-26. The title of the workshop is called Geographic Information Observatories. In this workshop we would like to explore the idea of expanding GIScience research to empirically examine the structure of the geographic information universe itself, with the hope that a better understanding of this universe will ultimately give us new insights into how this information can be utilized.

New Lab Space, Interactive Display, and Google Glass

The STKO lab is moving up in the world (or down to be geometrically accurate). The new lab space opened at the beginning of this year on the 4th Floor in Ellison Hall (one floor down from our previous offices). The bullpen style of the new lab is something we have wanted for a while and really enhances the collaborative environment we encourage in the group.

Call for papers: Special issue of the Semantic Web journal on Semantics for Big Data

Call for papers: Special issue of the Semantic Web journal on Semantics for Big Data

http://www.semantic-web-journal.net/blog/call-papers-special-issue-semantic-web-journal-semantics-big-data

One of the key challenges in making use of Big Data lies in finding ways of dealing with heterogeneity, diversity, and complexity of the data, while its volume and velocity forbid solutions available for smaller datasets as based, e.g., on manual curation or manual integration of data. Semantic Web Technologies are meant to deal with these issues, and indeed since the advent of Linked Data a few years ago, they have become central to mainstream Semantic Web research and development. We can easily understand Linked Data as being a part of the greater Big Data landscape, as many of the challenges are the same. The linking component of Linked Data, however, puts an additional focus on the integration and conflation of data across multiple sources.

The Art of Cartogram

A cartogram is a map of art in which some thematic mapping variable, such as population, socioeconomic factors, is substituted for land area. The geometric space of the map is distorted in order to highlight the objective variable, as is clear to the eye.

Public Voting for CitationMap on the AAG Mashup Competition

Our Citation Map team recently participated the Robert Raskin Mashup Competition in the Annual Conference of American Geographers. Our work has been selected as top 5, and is now in the public voting stage.

The voting page is below:
http://mappingideas.sdsu.edu/mashup/Voting/voting.html
Our work is the #5, Citation Map.

We appreciate that if you could support us!

Weighted Multi-Attribute Matching of User-Generated Points of Interest

A significant amount of the work that we’ve been doing lately has made use of the plethora of user-generated, geospatially-related content publically available online. Web applications such as Yelp, Google Places and Foursquare provide access to tens of millions of points of interest (POI) worldwide. These POI offer a range of descriptive information ranging from semi-structured content such as price range ($$) and ambiance, to unstructured review text and personal user check-ins.

The Reginald Golledge Distinguished Lecture in Geography (March 14, 2013 )

The Reginald Golledge Distinguished Lecture in Geography

March 14, 2013 - 3:30-4:30 - Buchanan 1930, UCSB

“On Mental Clocks and Mental Maps: Contributions of Behavioral Geography
to a Theory of Geospatial Change”

Gilberto Câmara
National Institute for Space Research, Brazil

Citation Map: Visualizing the Spread of Scientific Ideas Through Space and Time

Team members: Yingjie Hu, Grant McKenzie, and Song Gao
We designed a Citation Map for the Robert Raskin Mashup Mapping competition. This web mapping application is a novel approach to visualize research topics, authors, publications, as well as their citation relations on a world map. By displaying the geographic distribution of research paper citations, this dynamic web map shows how a scientific idea spreads through space and time (i.e. How a scientific publication is accepted and cited by researchers in different countries over the years). This Citation Map also shows the researchers who has cited a particular paper most frequently, and where are these researchers.

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