Rostislav Nedelchev

Rostislav Nedelchev left SDA. The profile below reflects the status at the point of his departure and is no longer updated.

PhD Student
Computer Science Institute
University of Bonn

Profiles: LinkedIn

Endenicher Allee 19a, 53115 Bonn
University of Bonn, Computer Science

Short CV

Rostislav Nedelchev is a PhD Student at the University of Bonn and works as a Data Engineer at Alexander Thamm GmbH. Rostislav’s research interests are in Natural Language Processing, Machine Learning, and Data Science. In particular, he investigates the automated evaluation of dialogue systems (a.k.a chatbots).



Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Proxy Indicators for the Quality of Open-domain Dialogues Proceedings Article

In: Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican Republic, 7-11 November, 2021, pp. 7834–7855, Association for Computational Linguistics, 2021.

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Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Language Model Transformers as Evaluators for Open-domain Dialogues Proceedings Article

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 6797–6808, International Committee on Computational Linguistics, 2020.

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Nedelchev, Rostislav; Usbeck, Ricardo; Lehmann, Jens

Treating Dialogue Quality Evaluation as an Anomaly Detection Problem Proceedings Article

In: Proceedings of The 12th Language Resources and Evaluation Conference, LREC 2020, Marseille, France, May 11-16, 2020, pp. 508–512, European Language Resources Association, 2020.

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Nejad, Najmeh Mousavi; Jabat, Pablo; Nedelchev, Rostislav; Scerri, Simon; Graux, Damien

Establishing a Strong Baseline for Privacy Policy Classification Proceedings Article

In: ICT Systems Security and Privacy Protection - 35th IFIP TC 11 International Conference, SEC 2020, Maribor, Slovenia, September 21-23, 2020, Proceedings, pp. 370–383, Springer, 2020.

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Collarana, Diego; Heuss, Timm; Lehmann, Jens; Lytra, Ioanna; Maheshwari, Gaurav; Nedelchev, Rostislav; Schmidt, Thorsten; Trivedi, Priyansh

A Question Answering System on Regulatory Documents Proceedings Article

In: Legal Knowledge and Information Systems - JURIX 2018: The Thirty-first Annual Conference, Groningen, The Netherlands, 12-14 December 2018, pp. 41–50, IOS Press, 2018.

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