Combining information extraction, deductive reasoning and machine learning for relation prediction

  • Authors:
  • Xueyan Jiang;Yi Huang;Maximilian Nickel;Volker Tresp

  • Affiliations:
  • Ludwig Maximilian University of Munich, Munich, Germany;Siemens AG, Corporate Technology, Munich, Germany,Ludwig Maximilian University of Munich, Munich, Germany;Ludwig Maximilian University of Munich, Munich, Germany;Siemens AG, Corporate Technology, Munich, Germany,Ludwig Maximilian University of Munich, Munich, Germany

  • Venue:
  • ESWC'12 Proceedings of the 9th international conference on The Semantic Web: research and applications
  • Year:
  • 2012

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Abstract

Three common approaches for deriving or predicting instantiated relations are information extraction, deductive reasoning and machine learning. Information extraction uses subsymbolic unstructured sensory information, e.g. in form of texts or images, and extracts statements using various methods ranging from simple classifiers to the most sophisticated NLP approaches. Deductive reasoning is based on a symbolic representation and derives new statements from logical axioms. Finally, machine learning can both support information extraction by deriving symbolic representations from sensory data, e.g., via classification, and can support deductive reasoning by exploiting regularities in structured data. In this paper we combine all three methods to exploit the available information in a modular way, by which we mean that each approach, i.e., information extraction, deductive reasoning, machine learning, can be optimized independently to be combined in an overall system. We validate our model using data from the YAGO2 ontology, and from Linked Life Data and Bio2RDF, all of which are part of the Linked Open Data (LOD) cloud.