Publishing the Norwegian Petroleum Directorate's FactPages as Semantic Web Data. Skjæveland, M. G., Lian, E. H., & Horrocks, I. In Alani, H., Kagal, L., Fokoue, A., Groth, P., Biemann, C., Parreira, J., Aroyo, L., Noy, N., Welty, C., & Janowicz, K., editors, The Semantic Web -- ISWC 2013, volume 8219, of LNCS, pages 162-177, 2013. Springer Berlin Heidelberg.
abstract   bibtex   
This paper motivates, documents and evaluates the process and results of converting the Norwegian Petroleum Directorate's FactPages, a well-known and diverse set of tabular data, but with little and incomplete schema information, stepwise into other representations where in each step more semantics is added to the dataset. The different representations we consider are a regular relational database, a linked open data dataset, and an ontology. For each conversion step we explain and discuss necessary design choices which are due to the specific shape of the dataset, but also those due to the characteristics and idiosyncrasies of the representation formats. We additionally evaluate the output, performance and cost of querying the different formats using questions provided by users of the FactPages.
@inproceedings{ SkLiHo-ISWC2013,
  abstract = {This paper motivates, documents and evaluates the
                  process and results of converting the Norwegian
                  Petroleum Directorate's FactPages, a well-known and
                  diverse set of tabular data, but with little and
                  incomplete schema information, stepwise into other
                  representations where in each step more semantics is
                  added to the dataset. The different representations
                  we consider are a regular relational database, a
                  linked open data dataset, and an ontology. For each
                  conversion step we explain and discuss necessary
                  design choices which are due to the specific shape
                  of the dataset, but also those due to the
                  characteristics and idiosyncrasies of the
                  representation formats. We additionally evaluate the
                  output, performance and cost of querying the
                  different formats using questions provided by users
                  of the FactPages.},
  added-at = {2014-05-29T12:40:10.000+0200},
  audience = {academic},
  author = {Skj{æ}veland, Martin G. and Lian, Espen H. and Horrocks, Ian},
  biburl = {http://www.bibsonomy.org/bibtex/29d002eaea90a4c8b56c2e628b6e838b3/martige},
  booktitle = {The Semantic Web -- ISWC 2013},
  editor = {Alani, Harith and Kagal, Lalana and Fokoue, Achille and Groth, Paul and Biemann, Chris and Parreira, JosianeXavier and Aroyo, Lora and Noy, Natasha and Welty, Chris and Janowicz, Krzysztof},
  interhash = {96e5e9f2a9e35a9816a300c14d309e36},
  intrahash = {9d002eaea90a4c8b56c2e628b6e838b3},
  keywords = {optique-project},
  pages = {162-177},
  partneroptique = {UiO},
  publisher = {Springer Berlin Heidelberg},
  series = {LNCS},
  title = {{Publishing the Norwegian Petroleum Directorate's
                  FactPages as Semantic Web Data}},
  volume = {8219},
  wpoptique = {WP10},
  year = {2013},
  yearoptique = {Y1}
}

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