Dimitar Dimitrov

According to our database, Dimitar Dimitrov authored at least 26 papers between 2021 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

FMI_SU_Yotkova_Kastreva at SemEval-2026 Task 13: Lightweight Detection of LLM-Generated Code via Stylometric Signals.

Elitsa Yotkova, Violeta Kastreva, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

CoRR, May, 2026

MemeLens: Multilingual Multitask VLMs for Memes.

Ali Ezzat Shahroor, Mohamed Bayan Kmainasi, Abul Hasnat, Dimitar Dimitrov, Giovanni Da San Martino, Preslav Nakov, Firoj Alam

CoRR, January, 2026

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

Proceedings of the Advances in Information Retrieval, 2026

ImageCLEF 2026: Multimodal Challenges in Medicine, Science, Agritech, and Security.

Bogdan Ionescu, Henning Müller, Dan-Cristian Stanciu, Ahmedkhan Radzhabov, Alba García Seco de Herrera, Alexandra-Georgiana Andrei, Alexandra Baicoianu, Ana Neacsu, Andrea M. Storås, Asma Ben Abacha, Benjamin Bracke, Lea Reinartz, Benjamin Lecouteux, Christoph M. Friedrich, Cynthia Sabrina Schmidt, Corneliu Florea, Diandra Fabre, Didier Schwab, Dimitar Dimitrov, Emmanuelle Esperança-Rodier, Mihai Gabriel Constantin, Hendrik Damm, Henning Schäfer, 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, Pål Halvorsen, Preslav Nakov, Raphael Brüngel, Sarfraz Ahmad, Steven Alexander Hicks, Sushant Gautam, Tabea Margareta Grace Pakull, Bahadir Eryilmaz, Vajira Thambawita, Vassili Kovalev, Wen-Wai Yim, Yuri Prokopchuk, Zhuohan Xie

Proceedings of the Advances in Information Retrieval, 2026

2025

FRaN-X: FRaming and Narratives-eXplorer.

Artur Muratov, Hana Fatima Shaikh, Vanshikaa Jani, Tarek Mahmoud, Zhuohan Xie, Daniil Orel, Aaryamonvikram Singh, Yuxia Wang, Aadi Joshi, Hasan Iqbal, Ming Shan Hee, Dhruv Sahnan, Nikolaos Nikolaidis, Purificação Silvano, Dimitar Dimitrov, Roman Yangarber, Ricardo Campos, Alípio Jorge, Nuno Guimarães, Elisa Sartori, Nicolas Stefanovitch, Giovanni Da San Martino, Jakub Piskorski, Preslav Nakov

CoRR, July, 2025

Post-ocr text correction for Bulgarian historical documents.

Angel Beshirov, Milena Dobreva, Dimitar Dimitrov, Momchil Hardalov, Ivan Koychev, Preslav Nakov

Int. J. Digit. Libr., March, 2025

Entity Framing and Role Portrayal in the News.

Tarek Mahmoud, Zhuohan Xie, Dimitar Dimitrov, Nikolaos Nikolaidis, Purificação Silvano, Roman Yangarber, Shivam Sharma, Elisa Sartori, Nicolas Stefanovitch, Giovanni Da San Martino, Jakub Piskorski, Preslav Nakov

CoRR, February, 2025

SemEval 2025 Task 10: Multilingual Characterization and Extraction of Narratives from Online News.

Jakub Piskorski, Tarek Mahmoud, Nikolaos Nikolaidis, Ricardo Campos, Alípio Mário Jorge, Dimitar Dimitrov, Purificação Silvano, Roman Yangarber, Shivam Sharma, Tanmoy Chakraborty, Nuno Guimarães, Elisa Sartori, Nicolas Stefanovitch, Zhuohan Xie, Preslav Nakov, Giovanni Da San Martino

Proceedings of the 19th International Workshop on Semantic Evaluation, 2025

ImageCLEF 2025: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications.

Bogdan Ionescu, Henning Müller, Dan-Cristian Stanciu, Ahmad Idrissi-Yaghir, Ahmedkhan Radzhabov, Alba García Seco de Herrera, Alexandra Andrei, Andrea M. Storås, Asma Ben Abacha, Benjamin Bracke, Benjamin Lecouteux, Benno Stein, Cécile Macaire, Christoph M. Friedrich, Cynthia Sabrina Schmidt, Diandra Fabre, Didier Schwab, Dimitar Dimitrov, Emmanuelle Esperança-Rodier, Mihai Gabriel Constantin, Helmut Becker, Hendrik Damm, Henning Schäfer, Ivan Rodkin, Ivan Koychev, Johannes Kiesel, Johannes Rückert, Josep Malvehy, Liviu-Daniel Stefan, Louise Bloch, Martin Potthast, Maximilian Heinrich, Michael A. Riegler, Mihai Dogariu, Noel Codella, Pål Halvorsen, Preslav Nakov, Raphael Brüngel, Roberto A. Novoa, Rocktim Jyoti Das, Steven Alexander Hicks, Sushant Gautam, Tabea Margareta Grace Pakull, Vajira Thambawita, Vassili Kovalev, Wen-Wai Yim, Zhuohan Xie

Proceedings of the Advances in Information Retrieval, 2025

Zero-Shot Reasoning with BLIP and SmolLM.

Elena Tosheva, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum, 2025

ContextDrift at ImageCLEF 2025 Multimodal Reasoning: Evaluating VLMs' Multimodal, Multilingual and Multidomain Reasoning Capabilities via Thinking Budget Variations and Textual Augmentation.

Vasilena T. Krazheva, Diana Markova, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum, 2025

Overview of ImageCLEF 2025: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications.

Bogdan Ionescu, Henning Müller, Dan-Cristian Stanciu, Alexandra-Georgiana Andrei, Ahmedkhan Radzhabov, Yuri Prokopchuk, Liviu-Daniel Stefan, Mihai Gabriel Constantin, Mihai Dogariu, Vassili Kovalev, Hendrik Damm, Johannes Rückert, Asma Ben Abacha, Alba Garcia Seco de Herrera, Christoph M. Friedrich, Louise Bloch, Raphael Brüngel, Ahmad Idrissi-Yaghir, Henning Schäfer, Cynthia Sabrina Schmidt, Tabea Margareta Grace Pakull, Benjamin Bracke, Obioma Pelka, Bahadir Eryilmaz, Helmut Becker, Wen-Wai Yim, Noel Codella, Roberto A. Novoa, Josep Malvehy, Dimitar Dimitrov, Rocktim Jyoti Das, Zhuohan Xie, Ming Shan Hee, Preslav Nakov, Ivan Koychev, Steven Alexander Hicks, Sushant Gautam, Michael A. Riegler, Vajira Thambawita, Pål Halvorsen, Diandra Fabre, Cécile Macaire, Benjamin Lecouteux, Didier Schwab, Martin Potthast, Maximilian Heinrich, Johannes Kiesel, Moritz Wolter, Sharat Anand, Benno Stein

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2025

Overview of ImageCLEF 2025 - Multimodal Reasoning.

Dimitar Dimitrov, Ming Shan Hee, Zhuohan Xie, Rocktim Jyoti Das, Momina Ahsan, Sarfraz Ahmad, Nikolay Paev, Ivan Koychev, Preslav Nakov

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum, 2025

2024

Drinov Orthography for Post-OCR Correction dataset.

Angel Beshirov, Milena Dobreva, Dimitar Dimitrov, Momchil Hardalov, Ivan Koychev, Preslav Nakov

Dataset, September, 2024

SemEval-2024 Task 4: Multilingual Detection of Persuasion Techniques in Memes.

Dimitar Dimitrov, Firoj Alam, Maram Hasanain, Abul Hasnat, Fabrizio Silvestri, Preslav Nakov, Giovanni Da San Martino

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

Overview of the CLEF-2024 CheckThat! Lab Task 2 on Subjectivity in News Articles.

Julia Maria Struß, Federico Ruggeri, Alberto Barrón-Cedeño, Firoj Alam, Dimitar Dimitrov, Andrea Galassi, Georgi Pachov, Ivan Koychev, Preslav Nakov, Melanie Siegel, Michael Wiegand, Maram Hasanain, Reem Suwaileh, Wajdi Zaghouani

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

Overview of the CLEF-2024 CheckThat! Lab Task 3 on Persuasion Techniques.

Jakub Piskorski, Nicolas Stefanovitch, Firoj Alam, Ricardo Campos, Dimitar Dimitrov, Alípio Jorge, Senja Pollak, Nikolay Ribin, Zoran Fijavz, Maram Hasanain, Purificação Silvano, Elisa Sartori, Nuno Guimarães, Ana Zwitter Vitez, Ana Filipa Pacheco, Ivan Koychev, Nana Yu, Preslav Nakov, Giovanni Da San Martino

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

Mirela at CheckThat! 2024: Check-worthiness of Tweets with Multilingual Embeddings and Adversarial Training.

Mirela Dryankova, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

Multimodal Sentiment Analysis: Recognizing Sentiment in Memes.

Georgi Vankov, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

Proceedings of the Artificial Intelligence: Methodology, Systems, and Applications, 2024

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

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

2023

Gpachov at CheckThat!-2023: A Diverse Multi-approach Ensemble for Subjectivity Detection in News Articles.

Georgi Pachov, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), 2023

2022

Detecting and Understanding Harmful Memes: A Survey.

Shivam Sharma, Firoj Alam, Md. Shad Akhtar, Dimitar Dimitrov, Giovanni Da San Martino, Hamed Firooz, Alon Y. Halevy, Fabrizio Silvestri, Preslav Nakov, Tanmoy Chakraborty

Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, 2022

2021

SemEval-2021 Task 6: Detection of Persuasion Techniques in Texts and Images.

Dimitar Dimitrov, Bishr Bin Ali, Shaden Shaar, Firoj Alam, Fabrizio Silvestri, Hamed Firooz, Preslav Nakov, Giovanni Da San Martino

Proceedings of the 15th International Workshop on Semantic Evaluation, 2021

MOMENTA: A Multimodal Framework for Detecting Harmful Memes and Their Targets.

Shraman Pramanick, Shivam Sharma, Dimitar Dimitrov, Md. Shad Akhtar, Preslav Nakov, Tanmoy Chakraborty

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2021, 2021

Detecting Harmful Memes and Their Targets.

Shraman Pramanick, Dimitar Dimitrov, Rituparna Mukherjee, Shivam Sharma, Md. Shad Akhtar, Preslav Nakov, Tanmoy Chakraborty

Proceedings of the Findings of the Association for Computational Linguistics: ACL/IJCNLP 2021, 2021

Detecting Propaganda Techniques in Memes.

Dimitar Dimitrov, Bishr Bin Ali, Shaden Shaar, Firoj Alam, Fabrizio Silvestri, Hamed Firooz, Preslav Nakov, Giovanni Da San Martino

Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, 2021