Ivan Koychev
Publication record assembled from the DBLP archive of ranked conferences.
Papers indexed
44
Venues
17
Active years
2000–2026
Best venue rank
A*
Where they publish
Papers
44 indexed papers, newest first.
| Year | Venue | Title | Authors |
|---|---|---|---|
| 2026 | ACL | FinChain: A Symbolic Benchmark for Verifiable Chain-of-Thought Financial Reasoning. | Zhuohan Xie, Daniil Orel, Rushil Thareja, Dhruv Sahnan, Hachem Madmoun, Fan Zhang, Debopriyo Banerjee, Georgi Nenkov Georgiev, Xueqing Peng, Lingfei Qian, Jimin Huang, Jinyan Su, Aaryamonvikram Singh, Rui Xing, Rania Elbadry, Chen Xu, Haonan Li, Fajri Koto, Ivan Koychev, Tanmoy Chakraborty, Yuxia Wang, Salem Lahlou, Veselin Stoyanov, Sophia Ananiadou, Preslav Nakov |
| 2026 | ECIR | ImageCLEF 2026: Multimodal Challenges in Medicine, Science, Agritech, and Security. | Bogdan Ionescu, Henning Mller, Dan-Cristian Stanciu, Ahmedkhan Radzhabov, Alba Garca Seco de Herrera, Alexandra-Georgiana Andrei, Alexandra Baicoianu, Ana Neacsu, Andrea M. Stors, Asma Ben Abacha, Benjamin Bracke, Lea Reinartz, Benjamin Lecouteux, Christoph M. Friedrich, Cynthia Sabrina Schmidt, Corneliu Florea, Diandra Fabre, Didier Schwab, Dimitar Dimitrov, Emmanuelle Esperana-Rodier, Mihai Gabriel Constantin, Hendrik Damm, Henning Schfer, Ivan Koychev, Josiane Mothe, Liviu-Daniel Stefan, Maja J. Hjuler, Mehmet Kurt, Meliha Yetisgen, Michael A. Riegler, Mihai Dogariu, Mihai Ivanovici, Ming Shan Hee, Mohammad El Sakka, Momina Ahsan, Obioma Pelka, Pl Halvorsen, Preslav Nakov, Raphael Brngel, Sarfraz Ahmad, Steven Alexander Hicks, Sushant Gautam, Tabea Margareta Grace Pakull, Bahadir Eryilmaz, Vajira Thambawita, Vassili Kovalev, Wen-Wai Yim, Yuri Prokopchuk, Zhuohan Xie |
| 2026 | ECIR | The CLEF-2026 FinMMEval Lab: Multilingual and Multimodal Evaluation of Financial AI Systems. | Zhuohan Xie, Rania Elbadry, Fan Zhang, Georgi Georgiev, Xueqing Peng, Lingfei Qian, Jimin Huang, Dimitar Dimitrov, Vanshikaa Jani, Yuyang Dai, Jiahui Geng, Yuxia Wang, Ivan Koychev, Veselin Stoyanov, Preslav Nakov |
| 2025 | ECIR | ImageCLEF 2025: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications. | Bogdan Ionescu, Henning Mller, Dan-Cristian Stanciu, Ahmad Idrissi-Yaghir, Ahmedkhan Radzhabov, Alba Garca Seco de Herrera, Alexandra Andrei, Andrea M. Stors, Asma Ben Abacha, Benjamin Bracke, Benjamin Lecouteux, Benno Stein, Ccile Macaire, Christoph M. Friedrich, Cynthia Sabrina Schmidt, Diandra Fabre, Didier Schwab, Dimitar Dimitrov, Emmanuelle Esperana-Rodier, Mihai Gabriel Constantin, Helmut Becker, Hendrik Damm, Henning Schfer, Ivan Rodkin, Ivan Koychev, Johannes Kiesel, Johannes Rckert, Josep Malvehy, Liviu-Daniel Stefan, Louise Bloch, Martin Potthast, Maximilian Heinrich, Michael A. Riegler, Mihai Dogariu, Noel Codella, Pl Halvorsen, Preslav Nakov, Raphael Brngel, Roberto A. Novoa, Rocktim Jyoti Das, Steven Alexander Hicks, Sushant Gautam, Tabea Margareta Grace Pakull, Vajira Thambawita, Vassili Kovalev, Wen-Wai Yim, Zhuohan Xie |
| 2025 | RANLP | ExPe: Exact Positional Encodings for Generative Transformer Models with Extrapolating Capabilities. | Aleksis Datseris, Sylvia Vassileva, Ivan Koychev, Svetla Boytcheva |
| 2025 | RANLP | Using LLMs for Multilingual Clinical Entity Linking to ICD-10. | Sylvia Vassileva, Ivan Koychev, Svetla Boytcheva |
| 2024 | ACL | EXAMS-V: A Multi-Discipline Multilingual Multimodal Exam Benchmark for Evaluating Vision Language Models. | Rocktim Jyoti Das, Simeon Emilov Hristov, Haonan Li, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov |
| 2024 | AIMSA | Multimodal Sentiment Analysis: Recognizing Sentiment in Memes. | Georgi Vankov, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov |
| 2024 | ICASSP | Detecting Check-Worthy Claims in Political Debates, Speeches, and Interviews Using Audio Data. | Petar Ivanov, Ivan Koychev, Momchil Hardalov, Preslav Nakov |
| 2024 | ISCC | FedDyS: Enhancing Federated Learning Efficiency with Dynamic Sample Selection. | Ensiye Kiyamousavi, Boris Kraychev, Ivan Koychev |
| 2023 | ACL | bgGLUE: A Bulgarian General Language Understanding Evaluation Benchmark. | Momchil Hardalov, Pepa Atanasova, Todor Mihaylov, Galia Angelova, Kiril Simov, Petya Osenova, Veselin Stoyanov, Ivan Koychev, Preslav Nakov, Dragomir Radev |
| 2023 | RANLP | Enriched Pre-trained Transformers for Joint Slot Filling and Intent Detection. | Momchil Hardalov, Ivan Koychev, Preslav Nakov |
| 2023 | RANLP | Looking for Traces of Textual Deepfakes in Bulgarian on Social Media. | Irina Temnikova, Iva Marinova, Silvia Gargova, Ruslana Margova, Ivan Koychev |
| 2023 | UCC | FedGrid: Federated Model Aggregation via Grid Shifting. | Boris Kraychev, Ensiye Kiyamousavi, Ivan Koychev |
| 2022 | ECIR | DuoSearch: A Novel Search Engine for Bulgarian Historical Documents. | Angel Beshirov, Suzan Hadzhieva, Ivan Koychev, Milena Dobreva |
| 2022 | ECIR | Leaf: Multiple-Choice Question Generation. | Kristiyan Vachev, Momchil Hardalov, Georgi Karadzhov, Georgi Georgiev, Ivan Koychev, Preslav Nakov |
| 2022 | IJCNLP | CrowdChecked: Detecting Previously Fact-Checked Claims in Social Media. | Momchil Hardalov, Anton Chernyavskiy, Ivan Koychev, Dmitry Ilvovsky, Preslav Nakov |
| 2021 | RANLP | Predicting the Factuality of Reporting of News Media Using Observations about User Attention in Their YouTube Channels. | Krasimira Bozhanova, Yoan Dinkov, Ivan Koychev, Maria Castaldo, Tommaso Venturini, Preslav Nakov |
| 2021 | RANLP | Comparative Analysis of Fine-tuned Deep Learning Language Models for ICD-10 Classification Task for Bulgarian Language. | Boris Velichkov, Sylvia Vassileva, Simeon Gerginov, Boris Kraychev, Ivaylo Ivanov, Philip Ivanov, Ivan Koychev, Svetla Boytcheva |
| 2021 | RANLP | A Comparative Study on Abstractive and Extractive Approaches in Summarization of European Legislation Documents. | Valentin Zmiycharov, Milen Chechev, Gergana Angelova Lazarova, Todor Tsonkov, Ivan Koychev |
| 2020 | EMNLP | EXAMS: A Multi-subject High School Examinations Dataset for Cross-lingual and Multilingual Question Answering. | Momchil Hardalov, Todor Mihaylov, Dimitrina Zlatkova, Yoan Dinkov, Ivan Koychev, Preslav Nakov |
| 2020 | FedCSIS | Automatic Generation of Annotated Corpora of Diagnoses with ICD-10 codes based on Open Data and Linked Open Data. | Svetla Boytcheva, Boris Velichkov, Gerasim Velchev, Ivan Koychev |
| 2019 | ASRU | Detecting Deception in Political Debates Using Acoustic and Textual Features. | Daniel Kopev, Ahmed Ali, Ivan Koychev, Preslav Nakov |
| 2019 | EMNLP | Fact-Checking Meets Fauxtography: Verifying Claims About Images. | Dimitrina Zlatkova, Preslav Nakov, Ivan Koychev |
| 2019 | Interspeech | Predicting the Leading Political Ideology of YouTube Channels Using Acoustic, Textual, and Metadata Information. | Yoan Dinkov, Ahmed Ali, Ivan Koychev, Preslav Nakov |
| 2019 | RANLP | Detecting Toxicity in News Articles: Application to Bulgarian. | Yoan Dinkov, Ivan Koychev, Preslav Nakov |
| 2019 | RANLP | Beyond English-Only Reading Comprehension: Experiments in Zero-shot Multilingual Transfer for Bulgarian. | Momchil Hardalov, Ivan Koychev, Preslav Nakov |
| 2019 | RANLP | Deep learning contextual models for prediction of sport event outcome from sportsman's interviews. | Boris Velichkov, Ivan Koychev, Svetla Boytcheva |
| 2018 | AIMSA | Towards Automated Customer Support. | Momchil Hardalov, Ivan Koychev, Preslav Nakov |
| 2018 | AIMSA | Recursive Style Breach Detection with Multifaceted Ensemble Learning. | Daniel Kopev, Dimitrina Zlatkova, Kristiyan Mitov, Atanas Atanasov, Momchil Hardalov, Ivan Koychev, Preslav Nakov |
| 2017 | RANLP | Building Chatbots from Forum Data: Model Selection Using Question Answering Metrics. | Martin Boyanov, Preslav Nakov, Alessandro Moschitti, Giovanni Da San Martino, Ivan Koychev |
| 2017 | RANLP | A Context-Aware Approach for Detecting Worth-Checking Claims in Political Debates. | Pepa Gencheva, Preslav Nakov, Llus Mrquez, Alberto Barrn-Cedeo, Ivan Koychev |
| 2017 | RANLP | We Built a Fake News / Click Bait Filter: What Happened Next Will Blow Your Mind! | Georgi Karadzhov, Pepa Gencheva, Preslav Nakov, Ivan Koychev |
| 2017 | RANLP | Fully Automated Fact Checking Using External Sources. | Georgi Karadzhov, Preslav Nakov, Llus Mrquez, Alberto Barrn-Cedeo, Ivan Koychev |
| 2017 | RANLP | Do Not Trust the Trolls: Predicting Credibility in Community Question Answering Forums. | Preslav Nakov, Tsvetomila Mihaylova, Llus Mrquez, Yashkumar Shiroya, Ivan Koychev |
| 2017 | SIGIR | Large-Scale Goodness Polarity Lexicons for Community Question Answering. | Todor Mihaylov, Daniel Balchev, Yasen Kiprov, Ivan Koychev, Preslav Nakov |
| 2016 | AIMSA | In Search of Credible News. | Momchil Hardalov, Ivan Koychev, Preslav Nakov |
| 2015 | ICCCI | Semi-supervised Multi-view Sentiment Analysis. | Gergana Angelova Lazarova, Ivan Koychev |
| 2015 | RANLP | Exposing Paid Opinion Manipulation Trolls. | Todor Mihaylov, Ivan Koychev, Georgi Georgiev, Preslav Nakov |
| 2014 | AIMSA | Social News Feed Recommender. | Milen Chechev, Ivan Koychev |
| 2005 | ICCBR | Textual Feature Construction from Keywords. | Nirmalie Wiratunga, Robert Lothian, Sutanu Chakraborti, Ivan Koychev |
| 2005 | SGAI | Tracking Drifting Concepts by Time Window Optimisation. | Ivan Koychev, Robert Lothian |
| 2003 | ECIR | Query-Based Document Skimming: A User-Centred Evaluation of Relevance Profiling. | David J. Harper, Ivan Koychev, Yixing Sun |
| 2000 | IUI | Learning to recommend from positive evidence. | Ingo Schwab, Wolfgang Pohl, Ivan Koychev |