European Knowledge Acquisition Workshop

EKAW 2016: Knowledge Engineering and Knowledge Management pp 163-179

TAIPAN: Automatic Property Mapping for Tabular Data

Conference paper

DOI: 10.1007/978-3-319-49004-5_11

Volume 10024 of the book series Lecture Notes in Computer Science (LNCS)
Cite this paper as:
Ermilov I., Ngomo AC.N. (2016) TAIPAN: Automatic Property Mapping for Tabular Data. In: Blomqvist E., Ciancarini P., Poggi F., Vitali F. (eds) Knowledge Engineering and Knowledge Management. EKAW 2016. Lecture Notes in Computer Science, vol 10024. Springer, Cham

Abstract

The Web encompasses a significant amount of knowledge hidden in entity-attributes tables. Bridging the gap between these tables and the Web of Data thus has the potential to facilitate a large number of applications, including the augmentation of knowledge bases from tables, the search for related tables and the completion of tables using knowledge bases. Computing such bridges is impeded by the poor accuracy of automatic property mapping, the lack of approaches for the discovery of subject columns and the mere size of table corpora. We propose Taipan, a novel approach for recovering the semantics of tables. Our approach begins by identifying subject columns using a combination of structural and semantic features. It then maps binary relations inside a table to predicates from a given knowledge base. Therewith, our solution supports both the tasks of table expansion and knowledge base augmentation. We evaluate our approach on a table dataset generated from real RDF data and a manually curated version of the T2D gold standard. Our results suggest that we outperform the state of the art by up to 85 % F-measure.

Keywords

Web tables Knowledge base augmentation Table expansion 

Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.University of Leipzig, Institute of Computer ScienceLeipzigGermany
  2. 2.AKSW Research GroupLeipzigGermany