Accounting for the uncertainty of speech estimates in the complex domain for minimum mean square error speech enhancement. - Ramón Fernandez Astudillo; Dorothea Kolossa; Reinhold Orglmeister (INTERSPEECH, 2009)

Speech Enhancement for Automatic Speech Recognition Using Complex Gaussian Mixture Priors for Noise and Speech. - Ramón Fernandez Astudillo; Eugen Hoffmann; Philipp Mandelartz; Reinhold Orglmeister (NOLISP, 2009)

Missing Feature Audiovisual Speech Recognition under Real-Time Constraints. - Dorothea Kolossa; Ramón Fernandez Astudillo; Steffen Zeiler; Alexander Vorwerk; Dennis Lerch; Jike Chong; Reinhold Orglmeister (Sprachkommunikation, 2010)

A MMSE estimator in mel-cepstral domain for robust large vocabulary automatic speech recognition using uncertainty propagation. - Ramón Fernandez Astudillo; Reinhold Orglmeister (INTERSPEECH, 2010)

Independent Component Analysis and Time-Frequency Masking for Speech Recognition in Multitalker Conditions. - Dorothea Kolossa; Ramón Fernandez Astudillo; Eugen Hoffmann; Reinhold Orglmeister (EURASIP J. Audio Speech Music. Process., 2010)

An Uncertainty Propagation Approach to Robust ASR Using the ETSI Advanced Front-End. - Ramón Fernandez Astudillo; Dorothea Kolossa; Philipp Mandelartz; Reinhold Orglmeister (IEEE J. Sel. Top. Signal Process., 2010)

Integration of short-time Fourier domain speech enhancement and observation uncertainty techniques for robust automatic speech recognition. - Ramón Fernandez Astudillo (2010)

Uncertainty Propagation. - Ramón Fernandez Astudillo; Dorothea Kolossa (Robust Speech Recognition of Uncertain or Missing Data, 2011)

Use of Missing and Unreliable Data for Audiovisual Speech Recognition. - Alexander Vorwerk; Steffen Zeiler; Dorothea Kolossa; Ramón Fernandez Astudillo; Dennis Lerch (Robust Speech Recognition of Uncertain or Missing Data, 2011)

Propagation of Uncertainty Through Multilayer Perceptrons for Robust Automatic Speech Recognition. - Ramón Fernandez Astudillo; João Paulo da Silva Neto (INTERSPEECH, 2011)

Integration of beamforming and automatic speech recognition through propagation of the wiener posterior. - Ramón Fernandez Astudillo; Alberto Abad; João Paulo da Silva Neto (ICASSP, 2012)

Inventory-style speech enhancement with uncertainty-of-observation techniques. - Robert M. Nickel; Ramón Fernandez Astudillo; Dorothea Kolossa; Steffen Zeiler; Rainer Martin 001 (ICASSP, 2012)

Uncertainty driven Compensation of Multi-Stream MLP Acoustic Models for Robust ASR. - Ramón Fernandez Astudillo; Alberto Abad; João Paulo Neto (INTERSPEECH, 2012)

The L2F Spoken Web Search system for Mediaeval 2012. - Alberto Abad; Ramón Fernandez Astudillo (MediaEval, 2012)

A propagation approach to modelling the joint distributions of clean and corrupted speech in the Mel-Cepstral domain. - Ramón Fernandez Astudillo (ASRU, 2013)

On the relation between speech corruption models in the spectral and the cepstral domain. - Ramón Fernandez Astudillo; Timo Gerkmann (ICASSP, 2013)

The L2F Spoken Web Search System for Mediaeval 2013. - Alberto Abad; Ramón Fernandez Astudillo; Isabel Trancoso (MediaEval, 2013)

Integration of beamforming and uncertainty-of-observation techniques for robust ASR in multi-source environments. - Ramón Fernandez Astudillo; Dorothea Kolossa; Alberto Abad; Steffen Zeiler; Rahim Saeidi; Pejman Mowlaee; João Paulo da Silva Neto; Rainer Martin 001 (Comput. Speech Lang., 2013)

An Extension of STFT Uncertainty Propagation for GMM-Based Super-Gaussian a Priori Models. - Ramón Fernandez Astudillo (IEEE Signal Process. Lett., 2013)

Noise-Adaptive LDA: A New Approach for Speech Recognition Under Observation Uncertainty. - Dorothea Kolossa; Steffen Zeiler; Rahim Saeidi; Ramón Fernandez Astudillo (IEEE Signal Process. Lett., 2013)

Computing MMSE Estimates and Residual Uncertainty Directly in the Feature Domain of ASR using STFT Domain Speech Distortion Models. - Ramón Fernandez Astudillo; Reinhold Orglmeister (IEEE Trans. Speech Audio Process., 2013)

Corpus-Based Speech Enhancement With Uncertainty Modeling and Cepstral Smoothing. - Robert M. Nickel; Ramón Fernandez Astudillo; Dorothea Kolossa; Rainer Martin 001 (IEEE Trans. Speech Audio Process., 2013)

Recognition of Distant Voice Commands for Home Applications in Portuguese. - Miguel Matos; Alberto Abad; Ramón Fernandez Astudillo; Isabel Trancoso (IberSPEECH, 2014)

Accounting for the residual uncertainty of multi-layer perceptron based features. - Ramón Fernandez Astudillo; Alberto Abad; Isabel Trancoso (ICASSP, 2014)

The DIRHA-GRID corpus: baseline and tools for multi-room distant speech recognition using distributed microphones. - Marco Matassoni; Ramón Fernandez Astudillo; Athanasios Katsamanis; Mirco Ravanelli (INTERSPEECH, 2014)

Learning Word Representations from Scarce and Noisy Data with Embedding Subspaces. - Ramón Fernandez Astudillo; Silvio Amir; Wang Ling; Mário J. Silva; Isabel Trancoso (ACL (1), 2015)

Integration of DNN based speech enhancement and ASR. - Ramón Fernandez Astudillo; Maria Joana Correia; Isabel Trancoso (INTERSPEECH, 2015)

Robust speech processing using observation uncertainty and uncertainty propagation: session and paper overview. - Ramón Fernandez Astudillo; Shinji Watanabe 001; Ahmed Hussen Abdelaziz; Dorothea Kolossa (INTERSPEECH, 2015)

Uncertainty decoding for DNN-HMM hybrid systems based on numerical sampling. - Christian Huemmer 001; Roland Maas; Andreas Schwarz; Ramón Fernandez Astudillo; Walter Kellermann (INTERSPEECH, 2015)

INESC-ID: A Regression Model for Large Scale Twitter Sentiment Lexicon Induction. - Silvio Amir; Wang Ling; Ramón Fernandez Astudillo; Bruno Martins 001; Mário J. Silva; Isabel Trancoso (SemEval@NAACL-HLT, 2015)

INESC-ID: Sentiment Analysis without Hand-Coded Features or Linguistic Resources using Embedding Subspaces. - Ramón Fernandez Astudillo; Silvio Amir; Wang Ling; Bruno Martins 001; Mário J. Silva; Isabel Trancoso (SemEval@NAACL-HLT, 2015)

Finding Function in Form: Compositional Character Models for Open Vocabulary Word Representation. - Wang Ling; Tiago Luís; Luís Marujo; Ramón Fernandez Astudillo; Silvio Amir; Chris Dyer; Alan W. Black; Isabel Trancoso (CoRR, 2015)

Crowdsourced Video Subtitling with Adaptation Based on User-Corrected Lattices. - João Miranda; Ramón Fernandez Astudillo; Ângela Costa; André Silva; Hugo Silva; João Graça; Bhiksha Raj (IberSPEECH, 2016)

Acoustic-Prosodic Automatic Personality Trait Assessment for Adults and Children. - Rubén Solera-Ureña; Helena Moniz; Fernando Batista; Ramón Fernandez Astudillo; Joana Campos 001; Ana Paiva 001; Isabel Trancoso (IberSPEECH, 2016)

A new uncertainty decoding scheme for DNN-HMM hybrid systems with multichannel speech enhancement. - Christian Huemmer 001; Andreas Schwarz; Roland Maas; Hendrik Barfuss; Ramón Fernandez Astudillo; Walter Kellermann (ICASSP, 2016)

From Softmax to Sparsemax: A Sparse Model of Attention and Multi-Label Classification. - André F. T. Martins; Ramón Fernandez Astudillo (ICML, 2016)

Exploiting Phone Log-Likelihood Ratio Features for the Detection of the Native Language of Non-Native English Speakers. - Alberto Abad; Eugénio Ribeiro; Fábio N. Kepler; Ramón Fernandez Astudillo; Isabel Trancoso (INTERSPEECH, 2016)

INESC-ID at SemEval-2016 Task 4-A: Reducing the Problem of Out-of-Embedding Words. - Silvio Amir; Ramón Fernandez Astudillo; Wang Ling; Mário J. Silva; Isabel Trancoso (SemEval@NAACL-HLT, 2016)

Unbabel's Participation in the WMT16 Word-Level Translation Quality Estimation Shared Task. - André F. T. Martins; Ramón Fernandez Astudillo; Chris Hokamp; Fábio N. Kepler (WMT, 2016)

An improved uncertainty decoding scheme with weighted samples for DNN-HMM hybrid systems. - Christian Huemmer 001; Ramón Fernandez Astudillo; Walter Kellermann (CoRR, 2016)

Uncertain LDA: Including Observation Uncertainties in Discriminative Transforms. - Rahim Saeidi; Ramón Fernandez Astudillo; Dorothea Kolossa (IEEE Trans. Pattern Anal. Mach. Intell., 2016)

Fusion of Simple Models for Native Language Identification. - Fábio N. Kepler; Ramón Fernandez Astudillo; Alberto Abad (BEA@EMNLP, 2017)

An improved uncertainty decoding scheme with weighted samples for multi-channel DNN-HMM hybrid systems. - Christian Huemmer 001; Ramón Fernandez Astudillo; Walter Kellermann (HSCMA, 2017)

Segment Level Voice Conversion with Recurrent Neural Networks. - Miguel Varela Ramos; Alan W. Black; Ramón Fernandez Astudillo; Isabel Trancoso; Nuno Fonseca (INTERSPEECH, 2017)

A Semi-Supervised Learning Approach for Acoustic-Prosodic Personality Perception in Under-Resourced Domains. - Rubén Solera-Ureña; Helena Moniz; Fernando Batista; Vera Cabarrão; Anna Pompili; Ramón Fernandez Astudillo; Joana Campos 001; Ana Paiva 001; Isabel Trancoso (INTERSPEECH, 2017)

Expanding Subjective Lexicons for Social Media Mining with Embedding Subspaces. - Silvio Amir; Ramón Fernandez Astudillo; Wang Ling; Paula C. Carvalho; Mário J. Silva (CoRR, 2017)

Pushing the Limits of Translation Quality Estimation. - André F. T. Martins; Marcin Junczys-Dowmunt; Fábio N. Kepler; Ramón Fernandez Astudillo; Chris Hokamp; Roman Grundkiewicz (Trans. Assoc. Comput. Linguistics, 2017)

Back-Translation-Style Data Augmentation for end-to-end ASR. - Tomoki Hayashi; Shinji Watanabe 001; Yu Zhang 033; Tomoki Toda; Takaaki Hori; Ramón Fernandez Astudillo; Kazuya Takeda (SLT, 2018)

Findings of the WMT 2018 Shared Task on Quality Estimation. - Lucia Specia; Frédéric Blain; Varvara Logacheva; Ramón Fernandez Astudillo; André F. T. Martins (WMT (shared task), 2018)

Cycle-consistency Training for End-to-end Speech Recognition. - Takaaki Hori; Ramón Fernandez Astudillo; Tomoki Hayashi; Yu Zhang 033; Shinji Watanabe 001; Jonathan Le Roux (ICASSP, 2019)

Semi-Supervised Sequence-to-Sequence ASR Using Unpaired Speech and Text. - Murali Karthick Baskar; Shinji Watanabe 001; Ramón Fernandez Astudillo; Takaaki Hori; Lukás Burget; Jan Cernocký (INTERSPEECH, 2019)

Self-supervised Sequence-to-sequence ASR using Unpaired Speech and Text. - Murali Karthick Baskar; Shinji Watanabe 001; Ramón Fernandez Astudillo; Takaaki Hori; Lukás Burget; Jan Cernocký (CoRR, 2019)

GPT-too: A Language-Model-First Approach for AMR-to-Text Generation. - Manuel Mager; Ramón Fernandez Astudillo; Tahira Naseem; Md. Arafat Sultan; Young-Suk Lee 001; Radu Florian; Salim Roukos (ACL, 2020)

On the Importance of Diversity in Question Generation for QA. - Md. Arafat Sultan; Shubham Chandel; Ramón Fernandez Astudillo; Vittorio Castelli (ACL, 2020)

Transition-based Parsing with Stack-Transformers. - Ramón Fernandez Astudillo; Miguel Ballesteros; Tahira Naseem; Austin Blodgett; Radu Florian (EMNLP (Findings), 2020)

Pushing the Limits of AMR Parsing with Self-Learning. - Young-Suk Lee 001; Ramón Fernandez Astudillo; Tahira Naseem; Revanth Gangi Reddy; Radu Florian; Salim Roukos (EMNLP (Findings), 2020)

Question Answering over Knowledge Bases by Leveraging Semantic Parsing and Neuro-Symbolic Reasoning. - Pavan Kapanipathi; Ibrahim Abdelaziz; Srinivas Ravishankar; Salim Roukos; Alexander G. Gray; Ramón Fernandez Astudillo; Maria Chang 001; Cristina Cornelio; Saswati Dana; Achille Fokoue; Dinesh Garg; Alfio Gliozzo; et al. (CoRR, 2020)

Leveraging Abstract Meaning Representation for Knowledge Base Question Answering. - Pavan Kapanipathi; Ibrahim Abdelaziz; Srinivas Ravishankar; Salim Roukos; Alexander G. Gray; Ramón Fernandez Astudillo; Maria Chang 001; Cristina Cornelio; Saswati Dana; Achille Fokoue; Dinesh Garg; Alfio Gliozzo; et al. (ACL/IJCNLP (Findings), 2021)

Structural Guidance for Transformer Language Models. - Peng Qian; Tahira Naseem; Roger Levy; Ramón Fernandez Astudillo (ACL/IJCNLP (1), 2021)

Bootstrapping Multilingual AMR with Contextual Word Alignments. - Janaki Sheth; Young-Suk Lee 001; Ramón Fernandez Astudillo; Tahira Naseem; Radu Florian; Salim Roukos; Todd Ward (EACL, 2021)

Structure-aware Fine-tuning of Sequence-to-sequence Transformers for Transition-based AMR Parsing. - Jiawei Zhou 001; Tahira Naseem; Ramón Fernandez Astudillo; Young-Suk Lee 001; Radu Florian; Salim Roukos (EMNLP (1), 2021)

Eat: Enhanced ASR-TTS for Self-Supervised Speech Recognition. - Murali Karthick Baskar; Lukás Burget; Shinji Watanabe 001; Ramón Fernandez Astudillo; Jan Honza Cernocký (ICASSP, 2021)

AMR Parsing with Action-Pointer Transformer. - Jiawei Zhou 001; Tahira Naseem; Ramón Fernandez Astudillo; Radu Florian (NAACL-HLT, 2021)

Ensembling Graph Predictions for AMR Parsing. - Thanh Lam Hoang; Gabriele Picco; Yufang Hou; Young-Suk Lee 001; Lam M. Nguyen; Dzung T. Phan; Vanessa López; Ramón Fernandez Astudillo (NeurIPS, 2021)

Learning to Transpile AMR into SPARQL. - Mihaela A. Bornea; Ramón Fernandez Astudillo; Tahira Naseem; Nandana Mihindukulasooriya; Ibrahim Abdelaziz; Pavan Kapanipathi; Radu Florian; Salim Roukos (CoRR, 2021)

X-FACTOR: A Cross-metric Evaluation of Factual Correctness in Abstractive Summarization. - Subhajit Chaudhury; Sarathkrishna Swaminathan; R. Chulaka Gunasekara; Maxwell Crouse; Srinivas Ravishankar; Daiki Kimura; Keerthiram Murugesan; Ramón Fernandez Astudillo; Tahira Naseem; Pavan Kapanipathi; Alexander Gray 001 (EMNLP, 2022)

Inducing and Using Alignments for Transition-based AMR Parsing. - Andrew Drozdov; Jiawei Zhou 001; Radu Florian; Andrew McCallum; Tahira Naseem; Yoon Kim; Ramón Fernandez Astudillo (NAACL-HLT, 2022)

Maximum Bayes Smatch Ensemble Distillation for AMR Parsing. - Young-Suk Lee 001; Ramón Fernandez Astudillo; Hoang Thanh Lam; Tahira Naseem; Radu Florian; Salim Roukos (NAACL-HLT, 2022)

DocAMR: Multi-Sentence AMR Representation and Evaluation. - Tahira Naseem; Austin Blodgett; Sadhana Kumaravel; Tim O'Gorman; Young-Suk Lee 001; Jeffrey Flanigan; Ramón Fernandez Astudillo; Radu Florian; Salim Roukos; Nathan Schneider 001 (NAACL-HLT, 2022)

Laziness Is a Virtue When It Comes to Compositionality in Neural Semantic Parsing. - Maxwell Crouse; Pavan Kapanipathi; Subhajit Chaudhury; Tahira Naseem; Ramón Fernandez Astudillo; Achille Fokoue; Tim Klinger (ACL (1), 2023)

Alignment via Mutual Information. - Shinjini Ghosh; Yoon Kim; Ramón Fernandez Astudillo; Tahira Naseem; Jacob Andreas (CoNLL, 2023)

Ensemble-Instruct: Instruction Tuning Data Generation with a Heterogeneous Mixture of LMs. - Young-Suk Lee 001; Md. Arafat Sultan; Yousef El-Kurdi; Tahira Naseem; Asim Munawar; Radu Florian; Salim Roukos; Ramón Fernandez Astudillo (EMNLP (Findings), 2023)

AMR Parsing with Instruction Fine-tuned Pre-trained Language Models. - Young-Suk Lee 001; Ramón Fernandez Astudillo; Radu Florian; Tahira Naseem; Salim Roukos (CoRR, 2023)

Slide, Constrain, Parse, Repeat: Synchronous SlidingWindows for Document AMR Parsing. - Sadhana Kumaravel; Tahira Naseem; Ramón Fernandez Astudillo; Radu Florian; Salim Roukos (CoRR, 2023)

Scalable Learning of Latent Language Structure With Logical Offline Cycle Consistency. - Maxwell Crouse; Ramón Fernandez Astudillo; Tahira Naseem; Subhajit Chaudhury; Pavan Kapanipathi; Salim Roukos; Alexander Gray 001 (CoRR, 2023)

Ensemble-Instruct: Generating Instruction-Tuning Data with a Heterogeneous Mixture of LMs. - Young-Suk Lee 001; Md. Arafat Sultan; Yousef El-Kurdi; Tahira Naseem; Asim Munawar; Radu Florian; Salim Roukos; Ramón Fernandez Astudillo (CoRR, 2023)

A Grounded Preference Model for LLM Alignment. - Tahira Naseem; Guangxuan Xu; Sarathkrishna Swaminathan; Asaf Yehudai; Subhajit Chaudhury; Radu Florian; Ramón Fernandez Astudillo; Asim Munawar (ACL (Findings), 2024)

Structured Chain-of-Thought Prompting for Few-Shot Generation of Content-Grounded QA Conversations. - Md. Arafat Sultan; Jatin Ganhotra; Ramón Fernandez Astudillo (EMNLP (Findings), 2024)

BRAIn: Bayesian Reward-conditioned Amortized Inference for natural language generation from feedback. - Gaurav Pandey 001; Yatin Nandwani; Tahira Naseem; Mayank Mishra; Guangxuan Xu; Dinesh Raghu; Sachindra Joshi; Asim Munawar; Ramón Fernandez Astudillo (ICML, 2024)

Self-Refinement of Language Models from External Proxy Metrics Feedback. - Keshav Ramji; Young-Suk Lee 001; Ramón Fernandez Astudillo; Md. Arafat Sultan; Tahira Naseem; Asim Munawar; Radu Florian; Salim Roukos (CoRR, 2024)

The Future of Open Human Feedback. - Shachar Don-Yehiya; Ben Burtenshaw; Ramón Fernandez Astudillo; Cailean Osborne; Mimansa Jaiswal; Tzu-Sheng Kuo; Wenting Zhao; Idan Shenfeld; Andi Peng; Mikhail Yurochkin; Atoosa Kasirzadeh; Yangsibo Huang; et al. (CoRR, 2024)

Multi-Document Grounded Multi-Turn Synthetic Dialog Generation. - Young-Suk Lee 001; R. Chulaka Gunasekara; Danish Contractor; Ramón Fernandez Astudillo; Radu Florian (CoRR, 2024)

Latent Principle Discovery for Language Model Self-Improvement. - Keshav Ramji; Tahira Naseem; Ramón Fernandez Astudillo (CoRR, 2025)

Optimal Policy Minimum Bayesian Risk. - Ramón Fernandez Astudillo; Md. Arafat Sultan; Aashka Trivedi; Yousef El-Kurdi; Tahira Naseem; Radu Florian; Salim Roukos (CoRR, 2025)

Confidence-Weighted Token Set Cover for Early Hypothesis Pruning in Self-Consistency. - Md. Arafat Sultan; Ramón Fernandez Astudillo (CoRR, 2025)