Behrang Mohit

Welcome! I have an interest towards science and technologies related to human intelligence and natural languages. I have been working in the field of natural language processing and information retrieval for the past 12 years with more focus on multilingual and semantic processing of different forms of text (articles, queries, tweets, etc).

Currently, I am data scientist at Apple , working on Siri Search. Prior to this, I was manager of data science at Ask.com, visiting research scientist at International Computer Science Institute (ICSI) and visiting faculty at Carnegie Mellon University in Qatar .

I received my PhD from the Intelligent Systems Program at University of Pittsburgh, USA where I worked with Rebecca Hwa. My dissertation was titled Locating and Reducing Translation Difficulty. This was a statistical framework to find the problematic outputs of a machine translation system and adapting the MT system to reduce those problems.

My CV can be found here.

I follow independent cinema, classical and film music in my leisure time.

Publications

  • Named Entity Recognition. Behrang Mohit, 2014. Book Chapter in Natural Language Processing of Semitic Languages (Edited by Imed Zitouni), Springer USA, 2014.
    @incollection{mohit-SemiticNERChapter,
        author = {Behrang Mohit},
        title = {Named Entity Recognition},
        booktitle = {Natural Language Processing of Semitic Languages},
        year = {2014},
        editor = {Imed Zitouni},
        publisher = {Springer, USA},
        isbn = {978-3642453571}
        }
                      
  • The First Shared Task on Automatic Text Correction for Arabic. Behrang Mohit and Alla Rozovskaya and Wajdi Zaghouani and Ossama Obeid and Nizar Habash, 2014. In Proceedings of EMNLP Workshop on Arabic Natural Language Processing, October 2014.
    
                      
  • A Human Judgement Corpus and a Metric for Arabic MT Evaluation. Houda Bouamor, Hanan Alshikhabobakr, Behrang Mohit, Kemal Ofalzer In Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP-2014)
    
                      
  • YouDACC: the Youtube Dialectal Arabic Commentary Corpus. Ahmed Salama, Houda Bouamor, Behrang Mohit, Kemal Oflazer In the proceedings of the 9th edition of the Language Resources and Evaluation Conference (LREC-2014)
    @inproceedings{SALAMA14.558.L14-1456,
        author = {Ahmed Salama and Houda Bouamor and Behrang Mohit and Kemal Oflazer},
        url = {http://www.lrec-conf.org/proceedings/lrec2014/pdf/558_Paper.pdf},
        note = {ACL Anthology Identifier: L14-1456},
        title = {YouDACC: the Youtube Dialectal Arabic Comment Corpus},
        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 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},
        pages = {1246--1251}
        }
                      
  • Large-scale Arabic Error Annotation: Guidelines and Framework. Wajdi Zaghouani, Behrang Mohit, Nizar Habash,Ossama Obeid, Nadi Tomeh, Kemal Oflazer, 2014. In proceedings of the 9th edition of the Language Resources and Evaluation Conference (LREC-2014)
    @inproceedings{ZAGHOUANI14.956.L14-1721,
        author = {Wajdi Zaghouani and Behrang Mohit and Nizar Habash and Ossama Obeid and Nadi Tomeh and Alla Rozovskaya and Noura Farra and Sarah Alkuhlani and Kemal Oflazer},
        url = {http://www.lrec-conf.org/proceedings/lrec2014/pdf/956_Paper.pdf},
        note = {ACL Anthology Identifier: L14-1721},
        title = {Large Scale Arabic Error Annotation: Guidelines and Framework},
        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 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},
        }
    
                      
  • CMUQ-Hybrid: Sentiment Classification By Feature Engineering and Parameter Tuning. Kamla Al-Mannai, Hanan Alshikhabobakr, Sabih Bin Wasi, Rukhsar Neyaz, Houda Bouamor, Behrang Mohit In Proceedings of the Eighth International Workshop on Semantic Evaluation (Semeval-2014 Task 9: Sentiment Analysis in Twitter), Dublin, Ireland
    @InProceedings{almannai-EtAl:2014:SemEval,
      author    = {Al-Mannai, Kamla  and  Alshikhabobakr, Hanan  and  Bin Wasi, Sabih  and  Neyaz, Rukhsar  and  Bouamor, Houda  and  Mohit, Behrang},
      title     = {CMUQ-Hybrid: Sentiment Classification By Feature Engineering and Parameter Tuning},
      booktitle = {Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014)},
      month     = {August},
      year      = {2014},
      address   = {Dublin, Ireland},
      publisher = {Association for Computational Linguistics and Dublin City University},
      pages     = {181--185},
      url       = {http://www.aclweb.org/anthology/S14-2028}
    }
    
    
                      
  • SuMT: A Framework of Summarization and MT. Houda Bouamor, Behrang Mohit, and Kemal Oflazer. In Proceedings of IJCNLP-2013, Nagoya, Japan, October 2013. (Received the Best Paper Award)
    @InProceedings{bouamor-mohit-oflazer:2013:IJCNLP,
      author    = {Bouamor, Houda  and  Mohit, Behrang  and  Oflazer,
    Kemal},
      title     = {SuMT: A Framework of Summarization and MT},
      booktitle = {Proceedings of the Sixth International Joint Conference
    on Natural Language Processing},
      month     = {October},
      year      = {2013},
      address   = {Nagoya, Japan},
      publisher = {Asian Federation of Natural Language Processing},
      pages     = {270--278},
      url       = {http://www.aclweb.org/anthology/I13-1031}
    }
                      
  • A Web-based Annotation Framework For Large-Scale Text Correction. Ossama Obeid, Wajdi Zaghouani, Behrang Mohit, Nizar Habash, Kemal Oflazer, and Nadi Tomeh. In Proceedings of IJCNLP-2013 – Demo Session, Nagoya, Japan, October 2013.
    @InProceedings{obeid-EtAl:2013:IJCNLP2013-Demos,
      author    = {Obeid, Ossama  and  Zaghouani, Wajdi  and  Mohit,
    Behrang  and  Habash, Nizar  and  Oflazer, Kemal  and  Tomeh, Nadi},
      title     = {A Web-based Annotation Framework For Large-Scale Text
    Correction},
      booktitle = {The Companion Volume of the Proceedings of IJCNLP 2013:
    System Demonstrations},
      month     = {October},
      year      = {2013},
      address   = {Nagoya, Japan},
      publisher = {Asian Federation of Natural Language Processing},
      pages     = {1--4},
      url       = {http://www.aclweb.org/anthology/I13-2001}
    }
    
                      
  • Dudley North visits North London: Learning When to Transliterate to Arabic. Mahmoud Mahmoud Azab, Houda Bouamor, Behrang Mohit, and Kemal Oflazer. Proceedings of HLT/NAACL 2013, short papers section, Atlanta, USA, June 2013.
    @InProceedings{Azab2013-1,
      title        = "{Dudley North visits North London: Learning When to Transliterate to Arabic}",
      author       = "Mahmoud Mahmoud Azab, Houda Bouamor, Behrang Mohit and Kemal Oflazer",
      booktitle    = "Proceedings of NAACL 2013",
      publisher    = "ACL",
      year         = "2013",
      month        = "January"
    }
                      
  • Supersense Tagging for Arabic: the MT-in-the-Middle Attack. Nathan Schneider, Behrang Mohit, Chris Dyer, Kemal Oflazer, and Noah A. Smith. Proceedings of HLT/NAACL 2013, short papers section, Atlanta, USA, June 2013.
    @InProceedings{Schneider2013-1,
      title        = "{Supersense Tagging for Arabic: the MT-in-the-Middle Attack}",
      author       = "Nathan Schneider and Behrang Mohit and Chris Dyer and Kemal Oflazer and Noah A. Smith",
      booktitle    = "Proceedings of NAACL 2013",
      publisher    = "ACL",
      year         = "2013",
      month        = "January"
    }
                      
  • Recall-Oriented Learning of Named Entities in Arabic Wikipedia. Behrang Mohit, Nathan Schneider, Rishav Bhowmick, Kemal Oflazer, and Noah A. Smith. Proceedings of the 13th Conference of the European Chapter of the Association for the Computational Linguistics (EACL), 2012.
    @InProceedings{mohitEtAlEacl2012,
      title        = "{Recall-Oriented Learning of Named Entities in Arabic Wikipedia}",
      author       = "Behrang Mohit and Nathan Schneider and Rishav Bhowmick
                     and Kemal Oflazer and Noah A. Smith",
      booktitle    = "Proceedings of the 13th Conference of the European Chapter of
                     the Association for the Computational Linguistics --- EACL",
      year         = "2012",
    }
                      
  • Annotating and Learning Morphological Segmentation of Egyptian Colloquial Arabic. Emad Mohamed, Behrang Mohit, and Kemal Oflazer. Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12), May 2012.
    @InProceedings{MOHAMED12.465,
      title        = "{Annotating and Learning Morphological Segmentation of Egyptian Colloquial Arabic}",
      author       = "Emad Mohamed and Behrang Mohit and Kemal Oflazer",
      booktitle    = "Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)",
      editor       = "Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Uğur Doğan and Bente Maegaard and Joseph Mariani and Jan Odijk and Stelios Piperidis",
      address      = "Istanbul, Turkey",
      publisher    = "European Language Resources Association (ELRA)",
      year         = "2012",
      month        = "may"
    }
                      
  • Coarse Lexical Semantic Annotation with Supersenses: An Arabic Case Study. Nathan Schneider, Behrang Mohit, Kemal Oflazer, and Noah A. Smith. Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL), short papers section, July 2012.
    @InProceedings{schneider-EtAl:2012:ACL2012short,
      title        = "{Coarse Lexical Semantic Annotation with Supersenses: An Arabic Case Study}",
      author       = "Schneider, Nathan and Mohit, Behrang and Oflazer, Kemal and Smith, Noah A.",
      booktitle    = "Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)",
      pages        = "253--258",
      address      = "Jeju Island, Korea",
      publisher    = "Association for Computational Linguistics",
      year         = "2012",
      month        = "July"
    }
                      
  • Transforming Standard Arabic to Colloquial Arabic. Emad Mohamed, Behrang Mohit, and Kemal Oflazer. Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL), short papers section, July 2012.
    @InProceedings{mohamed-mohit-oflazer:2012:ACL2012short,
      title        = "{Transforming Standard Arabic to Colloquial Arabic}",
      author       = "Mohamed, Emad and Mohit, Behrang and Oflazer, Kemal",
      booktitle    = "Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)",
      pages        = "176--180",
      address      = "Jeju Island, Korea",
      publisher    = "Association for Computational Linguistics",
      year         = "2012",
      month        = "July"
    }
                      
  • Adaptation of the Decoding Weights in Statistical Machine Translation. Behrang Mohit, Rebecca Hwa, and Alon Lavie. The Ninth Conference of the Association for Machine Translation in the Americas (AMTA-10), Denver, USA, 2010.
                      
  • Locating and Reducing Translation Difficulty. Behrang Mohit. PhD Thesis, University of Pittsburgh, August 2010.
                      
  • Improving Phrase-Based Translation with Prototypes of Short Phrases. Frank Liberato, Behrang Mohit, and Rebecca Hwa. In the proceedings of the conference of the North American Chapter of the Association of the Computational Linguistics (NAACL 10), short papers section, Los Angeles, USA, 2010.
    @InProceedings{liberato-mohit-hwa:2010:NAACLHLT,
      author    = {Liberato, Frank  and  Mohit, Behrang  and  Hwa,
    Rebecca},
      title     = {Improving Phrase-Based Translation with Prototypes of
    Short Phrases},
      booktitle = {Human Language Technologies: The 2010 Annual Conference
    of the North American Chapter of the Association for Computational
    Linguistics},
      month     = {June},
      year      = {2010},
      address   = {Los Angeles, California},
      publisher = {Association for Computational Linguistics},
      pages     = {301--304}
    }
                      
  • Language Model Adaptation for Difficult-to-Translate Phrases. Behrang Mohit, Frank Liberato, Rebecca Hwa. In the Proceedings of the 13th Annual Conference of the European Association for Machine Translation (EAMT-09), 2009.
                      
  • Translation of the non-literal: Evidence from aligned bilingual corpora. Birte Lenneker-Rodman and Behrang Mohit. In Abstract proceedings of the third international conference of the German Cognitive Linguistics Association (DGKL/GCLA-2008), Leipzig, Germany, 2008.
                      
  • Localization of Difficult-to-Translate Phrases. Behrang Mohit and Rebecca Hwa. In the Proceedings of the 2nd ACL Workshop on Statistical Machine Translations, Prague, Czech Republic, 2007.
    @inproceedings{Mohit:2007:LDP:1626355.1626392,
      author = {Mohit, Behrang and Hwa, Rebecca},
      title = {Localization of difficult-to-translate phrases},
      booktitle = {Proceedings of the Second Workshop on Statistical Machine Translation},
      series = {StatMT '07},
      year = {2007},
      location = {Prague, Czech Republic},
      pages = {248--255},
      numpages = {8},
      url = {http://dl.acm.org/citation.cfm?id=1626355.1626392},
      acmid = {1626392},
      publisher = {Association for Computational Linguistics},
      address = {Stroudsburg, PA, USA},
    }
                      
  • Building an English-Iraqi Arabic Machine Translation System for Spoken Utterances with Limited Resources. Jason Riesa, Behrang Mohit, Kevin Knight, and Daniel Marcu. In the Proceedings of the International Conference on Spoken Language Processing (Interspeech 2006), Pittsburgh, USA, 2006.
    @inproceedings{riesa2006building,
      title={Building an English-iraqi Arabic machine translation system for spoken utterances with limited resources.},
      author={Riesa, Jason and Mohit, Behrang and Knight, Kevin and Marcu, Daniel},
      booktitle={INTERSPEECH},
      year={2006}
    }
                      
  • Syntax-based Semi-Supervised Named Entity Tagging. Behrang Mohit and Rebecca Hwa. In the Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL), short papers section, Ann Arbor, USA, 2005.
    @inproceedings{Mohit:2005:SSN:1225753.1225768,
      author = {Mohit, Behrang and Hwa, Rebecca},
      title = {Syntax-based semi-supervised named entity tagging},
      booktitle = {Proceedings of the ACL 2005 on Interactive poster and demonstration sessions},
      series = {ACLdemo '05},
      year = {2005},
      location = {Ann Arbor, Michigan},
      pages = {57--60},
      numpages = {4},
      url = {http://dx.doi.org/10.3115/1225753.1225768},
      doi = {10.3115/1225753.1225768},
      acmid = {1225768},
      publisher = {Association for Computational Linguistics},
      address = {Stroudsburg, PA, USA},
    }
                      
  • Semantic Extraction with Wide-Coverage Lexical Resources. Behrang Mohit and Srini Narayanan. In the Companion Proceedings of the HTL/NAACL 2003,short papers section, Edmonton, Canada, May 2003.
    @inproceedings{Mohit:2003:SEW:1073483.1073505,
      author = {Mohit, Behrang and Narayanan, Srini},
      title = {Semantic extraction with wide-coverage lexical resources},
      booktitle = {Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology: companion volume of the Proceedings of HLT-NAACL 2003--short papers - Volume 2},
      series = {NAACL-Short '03},
      year = {2003},
      location = {Edmonton, Canada},
      pages = {64--66},
      numpages = {3},
      url = {http://dx.doi.org/10.3115/1073483.1073505},
      doi = {10.3115/1073483.1073505},
      acmid = {1073505},
      publisher = {Association for Computational Linguistics},
      address = {Stroudsburg, PA, USA},
    }
                      
  • Stemming and its effects on TFIDF Ranking. Mark Kantrowitz, Behrang Mohit, and Vibhu Mittal. In the Proceedings of ACM-SIGIR 2000, short papers section, Athens, Greece, 2000.
    @inproceedings{Kantrowitz:2000:SET:345508.345650,
      author = {Kantrowitz, Mark and Mohit, Behrang and Mittal, Vibhu},
      title = {Stemming and its effects on TFIDF ranking (poster session)},
      booktitle = {Proceedings of the 23rd annual international ACM SIGIR conference on Research and development in information retrieval},
      series = {SIGIR '00},
      year = {2000},
      isbn = {1-58113-226-3},
      location = {Athens, Greece},
      pages = {357--359},
      numpages = {3},
      url = {http://doi.acm.org/10.1145/345508.345650},
      doi = {10.1145/345508.345650},
      acmid = {345650},
      publisher = {ACM},
      address = {New York, NY, USA},
    } 
                      

Projects

  • Wiki TEA Machine Translation of Wikipedia
  • QALB Automatic correction of Arabic text: resource and system creation
  • AQMAR Named entity recognition and supersense tagging on Arabic Wikipedia