Klematis

My name is Arman Cohan and I am a PhD student in computer science at Georgetown University. I am working under supervision of Dr. Nazli Goharian and I am part of the Information Retrieval Lab. My main areas of interest include Natural Language Processing, Information Retrieval and their applications in healthcare. You can check out my full CV here.


News

Publications

  • 2017
    • "Depression and Self-Harm Risk Assessment in Online Forums"
      Andrew Yates*, Arman Cohan*, and Nazli Goharian
      EMNLP 2017 [to appear]
      * Equal contribution
    • "Identifying Harm Events in Clinical Care through Medical Narratives "
      Arman Cohan, and Allan Fong, Raj Ratwani, and Nazli Goharian
      ACM Conference on Bioinformatics, Computational Biology, and Health Informatics (ACM-BCB 2017) [to appear]
    • "Scientific Document Summarization via Citation Contextualization and Scientific Discourse"
      Arman Cohan, and Nazli Goharian
      International Journal of Digital Libaries (IJDL)
      pre-print link bib
    • "Contextualizing Citations for Scientific Summarization using Word Embeddings and Domain Knowledge"
      Arman Cohan, and Nazli Goharian
      SIGIR 2017 [To appear]
      pdf bib poster
    • "A Framework for Cross-Domain Clinical Temporal Information Extraction"
      Sean MacAvaney, Arman Cohan, and Nazli Goharian
      International Workshop on Semantic Evaluation (SemEval 2017)
      pdf bib
    • "Triaging Content Severity in Online Mental-Health Forums"
      Arman Cohan, Sydney Young, Andrew Yates, Nazli Goharian
      Journal of the Association for Information Science and Technology (JASIST) [In press]
      pre-print bib
    • "A Neural Attention Model for Categorizing Patient Safety Events"
      Arman Cohan, Allan Fong, Nazli Goharian, Raj Ratwani
      European Conference on Information Retrieval (ECIR 2017)
      pdf bib poster
  • 2016
    • "Triaging Mental Health Forum Posts"
      Arman Cohan, Sydney Young, Nazli Goharian
      NAACL 2016 Workshop on Computational Linguistics and Clinical Psychology (CLPsych 2016)
      pdf bib poster
    • "Temporal Information Extraction from Clinical Narratives"
      Arman Cohan, Kevin Meurer, Nazli Goharian
      International Workshop on Semantic Evaluation (SemEval 2016)
      pdf bib poster
    • "Identifying Significance of Discrepancies in Radiology Reports"
      Arman Cohan, Luca Soldaini, Nazli Goharian, Allan Fong, Ross Filice, Raj Ratwani
      SDM workshop Data Mining for Medicine and Healthcare (SDM-DMMH 2016)
      pdf bib slides
    • "Revisiting Summarization Evaluation for Scientific Articles"
      Arman Cohan and Nazli Goharian
      Language Resources and Evaluation (LREC 2016)
      pdf bib poster
  • 2015
    • "Scientific Article Summarization Using Citation-Context and Article's Discourse Structure"
      Arman Cohan and Nazli Goharian
      Empirical Methods in Natural Language Processing (EMNLP 2015)
      pdf bib video slides
    • "Matching Citation Text and Cited Spans in Biomedical Literature: a Search-Oriented Approach"
      Arman Cohan, Luca Soldaini, and Nazli Goharian
      North American Chapter of Association for Computational Linguistics (NAACL 2015)
      pdf video bib
    • "Retrieving Medical Literature for Clinical Decision Support"
      Luca Soldaini, Arman Cohan, Andrew Yates, Nazli Goharian, and Ophir Frieder
      European Conference on Information Retrieval (ECIR 2015)
      pdf bib
  • 2014
    • "Towards Citation-Based Summarization of Biomedical Literature"
      Arman Cohan, Luca Soldaini, and Nazli Goharian
      Text Analysis Conference (TAC 2014)
      pdf
    • "Query Reformulation for Clinical Decision Support Search"
      Luca Soldaini, Arman Cohan, Andrew Yates, Nazli Goharian, and Ophir Frieder
      Text Retrieval Conference (TREC 2014)
      pdf
    • "On Clinical Decision Support"
      Arman Cohan, Luca Soldaini, Andrew Yates, Nazli Goharian, and Ophir Frieder
      Proceedings of the 5th ACM Conference on Bioinformatics, Computational Biology, and Health Informatics (BCB 2014)
      pdf bib

Teaching experience

  • Teaching assistantship
    • Data Mining, Spring 2015, 2016, 2017
    • Text Mining and Analysis, Fall 2015
    • Information Retrieval, Fall 2014, 2015
    • Introduction to Information Systems, Spring 2015
    • Database Systems, Spring 2015
  • Teaching
    • Health Search and Mining, co-instructor, Spring 2017

Talks

  • Identifying Significance of Discrepancies in Radiology Reports, Miami, FL, May, 2016.
  • Scientific Summarization, Instituto Gulbenkian de Ciencia (IGC), Lisbon, Portugal , September, 2015.
  • Scientific Article Summarization Using Citation-Context and Article's Discourse Structure, Lisbon, Portugal , September, 2015.
  • Matching Citation Text and Cited Spans in Biomedical Literature, A Search Oriented Approach, NAACL Conference, Denver, CO , June, 2015.
  • Towards Citation-Based Summarization of Biomedical Literature. Text Analysis Conference (TAC), Gaithersburg, MD, November, 2014.

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