Summary of the paper

Title Identification of Naturally Occurring Numerical Expressions in Arabic
Authors Nizar Habash and Ryan Roth
Abstract In this paper, we define the task of Number Identification in natural context. We present and validate a language-independent semi-automatic approach to quickly building a gold standard for evaluating number identification systems by exploiting hand-aligned parallel data. We also present and extensively evaluate a robust rule-based system for number identification in natural context for Arabic for a variety of number formats and types. The system is shown to have strong performance, achieving, on a blind test, a 94.8% F-score for the task of correctly identifying number expression spans in natural text, and a 92.1% F-score for the task of correctly determining the core numerical value.
Language
Topics MultiWord Expressions & Collocations, Corpus (creation, annotation, etc.), Tools, systems, applications
Full paper Identification of Naturally Occurring Numerical Expressions in Arabic
Slides -
Bibtex @InProceedings{HABASH08.843,
  author = {Nizar Habash and Ryan Roth},
  title = {Identification of Naturally Occurring Numerical Expressions in Arabic},
  booktitle = {Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC'08)},
  year = {2008},
  month = {may},
  date = {28-30},
  address = {Marrakech, Morocco},
  editor = {Nicoletta Calzolari (Conference Chair), Khalid Choukri, Bente Maegaard, Joseph Mariani, Jan Odijk, Stelios Piperidis, Daniel Tapias},
  publisher = {European Language Resources Association (ELRA)},
  isbn = {2-9517408-4-0},
  note = {http://www.lrec-conf.org/proceedings/lrec2008/},
  language = {english}
  }

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