TREQ-AL: A word alignment system with limited language resources. - Dan Tufis; Ana-Maria Barbu; Radu Ion (ParallelTexts@NAACL-HLT, 2003)

Fine-Grained Word Sense Disambiguation Based on Parallel Corpora, Word Alignment, Word Clustering and Aligned Wordnets. - Dan Tufis; Radu Ion; Nancy Ide (COLING, 2004)

Word Sense Disambiguation as a Wordnets' Validation Method in Balkanet. - Dan Tufis; Radu Ion; Nancy Ide (LREC, 2004)

Interlingual wordnets validation and word-sense disambiguation. - Dan Tufis; Radu Ion (NLUCS, 2004)

Extracting Multilingual Lexicons from Parallel Corpora. - Dan Tufis; Ana-Maria Barbu; Radu Ion (Comput. Humanit., 2004)

Combined Word Alignments. - Dan Tufis; Radu Ion; Alexandru Ceausu; Dan Stefanescu (ParallelText@ACL, 2005)

Evaluating the Word Sense Disambiguation Accuracy with Three Different Sense Inventories. - Dan Tufis; Radu Ion (NLUCS, 2005)

Cross-Lingual Romanian to English Question Answering at CLEF 2006. - Georgiana Puscasu; Adrian Iftene; Ionut Pistol; Diana Trandabat; Dan Tufis; Alin Ceausu; Dan Stefanescu; Radu Ion; Iustin Dornescu; Mihai Alex Moruz; Dan Cristea (CLEF, 2006)

Developing a Question Answering System for the Romanian-English Track at CLEF 2006. - Georgiana Puscasu; Adrian Iftene; Ionut Pistol; Diana Trandabat; Dan Tufis; Alin Ceausu; Dan Stefanescu; Radu Ion; Constantin Orasan; Iustin Dornescu; Mihai Alex Moruz; Dan Cristea (CLEF (Working Notes), 2006)

Improved Lexical Alignment by Combining Multiple Reified Alignments. - Dan Tufis; Radu Ion; Alexandru Ceausu; Dan Stefanescu (EACL, 2006)

Constrained Lexical Attraction Models. - Radu Ion; Verginica Barbu Mititelu (FLAIRS, 2006)

Dependency-Based Phrase Alignment. - Radu Ion; Alexandru Ceausu; Dan Tufis (LREC, 2006)

RACAI's Question Answering System at QA@CLEF2007. - Dan Tufis; Dan Stefanescu; Radu Ion; Alexandru Ceausu (CLEF, 2007)

RACAI's Question Answering System at QA@CLEF 2007. - Dan Tufis; Dan Stefanescu; Radu Ion; Alexandru Ceausu (CLEF (Working Notes), 2007)

RACAI: Meaning Affinity Models. - Radu Ion; Dan Tufis (SemEval@ACL, 2007)

RACAI's QA System at the Romanian-Romanian QA@CLEF2008 Main Task. - Radu Ion; Dan Stefanescu; Alexandru Ceausu; Dan Tufis (CLEF, 2008)

RACAI's QA System at the Romanian-Romanian Multiple Language Question Answering (QA@CLEF2008) Main Task. - Radu Ion; Dan Stefanescu; Alexandru Ceausu; Dan Tufis (CLEF (Working Notes), 2008)

RACAI's Linguistic Web Services. - Dan Tufis; Radu Ion; Alexandru Ceausu; Dan Stefanescu (LREC, 2008)

Unsupervised Lexical Acquisition for Part of Speech Tagging. - Dan Tufis; Elena Irimia; Radu Ion; Alexandru Ceausu (LREC, 2008)

A Trainable Multi-factored QA System. - Radu Ion; Dan Stefanescu; Alexandru Ceausu; Dan Tufis; Elena Irimia; Verginica Barbu Mititelu (CLEF (Working Notes), 2009)

Unsupervised Word Sense Disambiguation with Lexical Chains and Graph-Based Context Formalization. - Radu Ion; Dan Stefanescu (LTC, 2009)

Multilingual versus monolingual word sense disambiguation. - Radu Ion; Dan Tufis (Int. J. Speech Technol., 2009)

Monolingual and Multilingual Question Answering on European Legislation. - Radu Ion; Alexandru Ceausu; Dan Stefanescu; Dan Tufis; Elena Irimia; Verginica Barbu Mititelu (CLEF (Notebook Papers/LABs/Workshops), 2010)

RACAI: Unsupervised WSD Experiments @ SemEval-2, Task 17. - Radu Ion; Dan Stefanescu (SemEval@ACL, 2010)

An Expectation Maximization Algorithm for Textual Unit Alignment. - Radu Ion; Alexandru Ceausu; Elena Irimia (BUCC@ACL, 2011)

ACCURAT Toolkit for Multi-Level Alignment and Information Extraction from Comparable Corpora. - Marcis Pinnis; Radu Ion; Dan Stefanescu; Fangzhong Su; Inguna Skadina; Andrejs Vasiljevs; Bogdan Babych (ACL (System Demonstrations), 2012)

Hybrid Parallel Sentence Mining from Comparable Corpora. - Dan Stefanescu; Radu Ion; Sabine Hunsicker (EAMT, 2012)

Romanian to English automatic MT experiments at IWSLT12 (system description paper). - Stefan Daniel Dumitrescu; Radu Ion; Dan Stefanescu; Tiberiu Boros; Dan Tufis (IWSLT, 2012)

PEXACC: A Parallel Sentence Mining Algorithm from Comparable Corpora. - Radu Ion (LREC, 2012)

ROMBAC: The Romanian Balanced Annotated Corpus. - Radu Ion; Elena Irimia; Dan Stefanescu; Dan Tufis (LREC, 2012)

Large tagset labeling using Feed Forward Neural Networks. Case study on Romanian Language. - Tiberiu Boros; Radu Ion; Dan Tufis (ACL (1), 2013)

The RACAI Text-to-Speech Synthesis System. - Tiberiu Boros; Radu Ion; Stefan Daniel Dumitrescu (Blizzard Challenge, 2013)

Wikipedia as an SMT Training Corpus. - Dan Tufis; Radu Ion; Stefan Daniel Dumitrescu; Dan Stefanescu (RANLP, 2013)

Wiki-Translator: Multilingual Experiments for In-Domain Translations. - Dan Tufis; Radu Ion; Stefan Daniel Dumitrescu (Comput. Sci. J. Moldova, 2013)

The Romanian wordnet in a nutshell. - Dan Tufis; Verginica Barbu Mititelu; Dan Stefanescu; Radu Ion (Lang. Resour. Evaluation, 2013)

Parallel-Wiki: A Collection of Parallel Sentences Extracted from Wikipedia. - Dan Stefanescu; Radu Ion (Res. Comput. Sci., 2013)

Adapting the TTL Romanian POS Tagger to the Biomedical Domain. - Maria Mitrofan; Radu Ion (BiomedicalNLP@RANLP, 2017)

Ensemble Romanian Dependency Parsing with Neural Networks. - Radu Ion; Elena Irimia; Verginica Barbu Mititelu (LREC, 2018)

RACAI's System at PharmaCoNER 2019. - Radu Ion; Vasile Florian Pais; Maria Mitrofan (BioNLP-OST@EMNLP-IJNCLP, 2019)

Making Pepper Understand and Respond in Romanian. - Dan Tufis; Verginica Barbu Mititelu; Elena Irimia; Maria Mitrofan; Radu Ion; George Cioroiu (CSCS, 2019)

Mapping and Aligning Units from Comparable Corpora. - Ahmet Aker; Alexandru Ceausu; Yang Feng; Robert J. Gaizauskas; Sabine Hunsicker; Radu Ion; Elena Irimia; Dan Stefanescu; Dan Tufis (Using Comparable Corpora for Under-Resourced Areas of Machine Translation, 2019)

Appendices. - Ahmet Aker; Radu Ion; Nikos Mastropavlos; Monica Lestari Paramita; Marcis Pinnis; Dan Stefanescu; Fangzhong Su; Gregor Thurmair; Elena Irimia; Nikola Ljubesic; Evangelos Kanoulas; Judita Preiss; et al. (Using Comparable Corpora for Under-Resourced Areas of Machine Translation, 2019)

Collecting Comparable Corpora. - Monica Lestari Paramita; Ahmet Aker; Paul D. Clough; Robert J. Gaizauskas; Nikos Glaros; Nikos Mastropavlos; Olga Yannoutsou; Radu Ion; Dan Stefanescu; Alexandru Ceausu; Dan Tufis; Judita Preiss (Using Comparable Corpora for Under-Resourced Areas of Machine Translation, 2019)

A Processing Platform Relating Data and Tools for Romanian Language. - Vasile Florian Pais; Radu Ion; Dan Tufis (IWLTP@LREC, 2020)

MWSA Task at GlobaLex 2020: RACAI's Word Sense Alignment System using a Similarity Measurement of Dictionary Definitions. - Vasile Florian Pais; Dan Tufis; Radu Ion (GLOBALEX@LREC, 2020)

Collection and Annotation of the Romanian Legal Corpus. - Dan Tufis; Maria Mitrofan; Vasile Florian Pais; Radu Ion; Andrei Coman (LREC, 2020)

The MARCELL Legislative Corpus. - Tamás Váradi; Svetla Koeva; Martin Yamalov; Marko Tadic; Bálint Sass; Bartlomiej Niton; Maciej Ogrodniczuk; Piotr Pezik; Verginica Barbu Mititelu; Radu Ion; Elena Irimia; Maria Mitrofan; et al. (LREC, 2020)

Human-Machine Interaction Speech Corpus from the ROBIN project. - Vasile Florian Pais; Radu Ion; Andrei-Marius Avram; Elena Irimia; Verginica Barbu Mititelu; Maria Mitrofan (SpeD, 2021)

A Machine Translation-Powered Chatbot for Public Administration. - Dimitra Anastasiou; Anders Ruge; Radu Ion; Svetlana Segarceanu; George Suciu; Olivier Pedretti; Patrick Gratz; Hoorieh Afkari (EAMT, 2022)

An Open-Domain QA System for e-Governance. - Radu Ion; Andrei-Marius Avram; Vasile Florian Pais; Maria Mitrofan; Verginica Barbu Mititelu; Elena Irimia; Valentin Badea (CoRR, 2022)

Evaluating a Fine-Tuned Whisper Model on Underrepresented Romanian Speech. - Vasile Pais; Verginica Barbu Mititelu; Radu Ion; Elena Irimia (SpeD, 2023)

Towards Improving the Performance of Pre-Trained Speech Models for Low-Resource Languages Through Lateral Inhibition. - Andrei-Marius Avram; Razvan-Alexandru Smadu; Vasile Pais; Dumitru-Clementin Cercel; Radu Ion; Dan Tufis (TSP, 2023)

RELATE: A Modern Processing Platform for Romanian Language. - Vasile Pais; Radu Ion; Andrei-Marius Avram; Maria Mitrofan; Dan Tufis (CoRR, 2024)

Unsupervised Word Sense Disambiguation Using Transformer's Attention Mechanism. - Radu Ion; Vasile Pais; Verginica Barbu Mititelu; Elena Irimia; Maria Mitrofan; Valentin Badea; Dan Tufis (Mach. Learn. Knowl. Extr., 2025)