| Title | Crowdsourcing as a Preprocessing for Complex Semantic Annotation Tasks | 
  
  | Authors | Héctor Martínez Alonso and Lauren Romeo | 
  
  | Abstract | This article outlines a methodology that uses crowdsourcing to reduce the workload of experts for complex semantic tasks. We split turker-annotated datasets into a high-agreement block, which is not modified, and a low-agreement block, which is re-annotated by experts. The resulting annotations have higher observed agreement. We identify different biases in the annotation for both turkers and experts. | 
  
  | Topics | Corpus (Creation, Annotation, etc.), Crowdsourcing | 
  
  | Full paper  | Crowdsourcing as a Preprocessing for Complex Semantic Annotation Tasks | 
  
  | Bibtex | @InProceedings{MARTNEZALONSO14.471, author =  {Héctor Martínez Alonso and Lauren Romeo},
 title =  {Crowdsourcing as a Preprocessing for Complex Semantic Annotation Tasks},
 booktitle =  {Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14)},
 year =  {2014},
 month =  {may},
 date =  {26-31},
 address =  {Reykjavik, Iceland},
 editor =  {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Hrafn Loftsson and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},
 publisher =  {European Language Resources Association (ELRA)},
 isbn =  {978-2-9517408-8-4},
 language =  {english}
 }
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