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Hi there, I am Şefika 👋


I have started to work as a research scientist under the Open Distributed Systems (ODS) research group at the TU Berlin. I graduated from Data Science master program of the University of Potsdam and have started to pursue PhD under the Corporate Semantic Web Group of Freie Universitaet Berlin. My interests are robotics, adversarial training, robustness, cognitive science, knowledge graphs, and ontology engineering (💚)

  • An ontology matching part of my master thesis (GraphMatcher) has obtained the highest F1-measure in uncertain reference alignments of the OAEI-2022 conference track among all experts. My tool produced the results with the highest F1-score again at the competition in 2023 🤓

  • My NER model for corona news. Its paper was presented at SWAT4HCLS in Frebruary 2023 in Basel.

  • 🎉 A book chapter about Hybrid AI for Healthcare will be online soon!

  • 🎉 My team "Gryffindor" was awarded with the Best Scientific Research Report at the ISWS 2023, and our paper was accepted by the Wikidata Workshop under the ISWC 2023. We are still working on its further version.

👩‍🏫 Data Science Class Notebooks

🌱 I have been working on relation extraction for streaming (corpus) data.

🌱 I submitted a journal paper "Retrieval-Augmented Generation-based Relation Extraction" to Semantic Web Journal in March 2023. It is here

Note: Please pointing out the repositories in case you would like to use any piece of my code lines! Thanks🙂

My GitHub stats:

GitHub Streak

Sefika Efeoglu's Projects

adultsdatasetuci icon adultsdatasetuci

Machine Learning Techniques to known dataset to predict the unknown income

breds icon breds

"Bootstrapping Relationship Extractors with Distributional Semantics" (Batista et al., 2015) - code for EMNLP'15 paper

clinical_trials_hybrid_ai icon clinical_trials_hybrid_ai

The sample data and codes of the Information Extraction Section at the book ,,Unterstützung klinischer Studien mit hybrider KI''

cogsys icon cogsys

Homework assignments from my courses in Cognitive Systems, University of Potsdam

dcat-converter icon dcat-converter

The project converts the oai_dc formatted meta data into dcat_ap format and save them in rdf format.

elneukgqa-kgqatask icon elneukgqa-kgqatask

Code for the paper: "Entity Linking and Filling for Question Answering over Knowledge Graphs"

evcbr icon evcbr

Code associated with the WWW'23 paper "Event Prediction using Case-Based Reasoning over Knowledge Graphs"

gym icon gym

A toolkit for developing and comparing reinforcement learning algorithms.

jekyll-now icon jekyll-now

Build a Jekyll blog in minutes, without touching the command line.

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