• Knowledge base search and curation.
  • Interesting negative knowledge at web scale.
  • Information extraction and retrieval.


American University of Beirut, Max Planck Institute for Informatics, The University of Edinburgh, Bosch AI.


  • 2021: PC member of ISWC, ACL, IJCAI, EMNLP, CIKM.
  • 2020: PC member of ISWC, ACL, CIKM.

Grants & Honors

  • Participated in the discussion for DFG grant of 312,000 € for compiling negative knowledge at web scale, 2021.
  • Audience-choice Best Paper Award, AKBC 2020.
  • Best Student Paper Award Nominee, KDIR 2017.
  • Full Graduate Assistantship at the American University of Beirut, 2014.
  • Bachelor of Science in Computer Science with Honors at Haigazian University, 2013.
  • Dean’s honor list at Haigazian University for years 2011, 2012, and 2013.


  • Reasoning Web School, 2019, Bolzano, Italy.
  • Lisbon Machine Learning School, 2018, Lisbon, Portugal.


  • Aditya Bikram Biswas (Master student, Saarland University): joint supervision, 2021.
  • Mang Zhao (Master student, Saarland University): joint supervision, 2018.