CubeViz: The RDF DataCube Browser.

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CubeViz is a facetted browser for statistical data utilizing the RDF Data Cube vocabulary which is the state-of-the-art in representing statistical data in RDF. This vocabulary is compatible with SDMX and increasingly being adopted. Based on the vocabulary and the encoded Data Cube, CubeViz is generating a facetted browsing widget that can be used to filter interactively observations to be visualized in charts. Based on the selected structure, CubeViz offer beneficiary chart types and options which can be selected by users.

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In order to hide the complexity of the RDF Data Cube vocabulary from users and to facilitate the browsing and exploration of DataCubes we developed the RDF DataCube browser CubeViz. CubeViz can be divided into two parts, both developed as an extension of OntoWiki:

  1. Faceted data selection component, which queries the structural part of a selected RDF graph containing DataCube resources.
  2. Chart visualization component, which queries observations (selected by the faceted selection component) and visualize them with suitable charts.

CubeViz renders facets according to the DataCube vocabulary to select data on the first component, using SPARQL as the query language. Currently, the following facets are available:

  1. Selection of a DataCube DataSet
  2. Selection of a DataCube Slice
  3. Selection of a specific measure and attribute (unit) property encoded in the respective DataCube dataset.
  4. Selection of a set of dimension elements that are part of the dimensions encoded in the respective DataCube data set

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News

Special Issue on Web Data Quality in IJSWIS ( 2013-06-14T15:55:45+02:00 by Amrapali Zaveri)

2013-06-14T15:55:45+02:00 by Amrapali Zaveri

Call for papers Special Issue on Web Data Quality International Journal on Semantic Web and Information Systems Scope: The standardization and adoption of Semantic Web technologies has resulted in an unprecedented volume of data being published as Linked Open Data (LOD). Read more about "Special Issue on Web Data Quality in IJSWIS"

AKSW wins best paper award at ESWC 2013 ( 2013-06-03T12:57:28+02:00 by Dr. Axel-C. Ngonga Ngomo)

2013-06-03T12:57:28+02:00 by Dr. Axel-C. Ngonga Ngomo

Our paper “When to Reach for the Cloud” was awarded the best paper award at ESWC. Read more about "AKSW wins best paper award at ESWC 2013"

Google’s spiritus rector Eric Schmidt visited AKSW ( 2013-05-30T22:10:45+02:00 by Dr. Sören Auer)

2013-05-30T22:10:45+02:00 by Dr. Sören Auer

Today Google’s spiritus rector Eric Schmidt visited AKSW to learn about the newest Linked Data technology and figuring out how to replace the Google’s proprietary knowledge graph with open DBpedia. Read more about "Google’s spiritus rector Eric Schmidt visited AKSW"

SlideWiki at CSEDU2013 Conference ( 2013-05-10T12:21:14+02:00 by Ali Khalili)

2013-05-10T12:21:14+02:00 by Ali Khalili

CSEDU 2013, the International Conference on Computer Supported Education was taking place in Aachen, Germany this year. The conference was addressing different e-learning themes such as Information Technologies Supporting Learning, Learning/Teaching Methodologies and Assessment, Ubiquitous Learning, Social Context and Learning Environments as well as Cloud Education Environments. Read more about "SlideWiki at CSEDU2013 Conference"

Open Data Conference in Seoul ( 2013-05-01T23:25:02+02:00 by Dr. Sören Auer)

2013-05-01T23:25:02+02:00 by Dr. Sören Auer

On the second day of Sören’s short trip to Korea, we participated in the Open Data Conference of the Information Society Agency (NIA). NIA seems to be implementing a comprehensive Open Data strategy (also involving LinkedData). Looks like South Korea is quite advanced in this regard already. Read more about "Open Data Conference in Seoul"