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Leonardo Nunes
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RAG vs fine-tuning: pipelines, tradeoffs, and a case study on agriculture
A Balaguer, V Benara, RLF Cunha, T Hendry, D Holstein, J Marsman, ...
arXiv preprint arXiv:2401.08406, 2024
1412024
A steered-response power algorithm employing hierarchical search for acoustic source localization using microphone arrays
LO Nunes, WA Martins, MVS Lima, LWP Biscainho, FM Gonçalves, A Said, ...
IEEE Transactions on Signal Processing 62 (19), 5171-5183, 2014
852014
GPT-4 as an agronomist assistant? Answering agriculture exams using large language models
B Silva, L Nunes, R Estevão, V Aski, R Chandra
arXiv preprint arXiv:2310.06225, 2023
522023
A volumetric SRP with refinement step for sound source localization
MVS Lima, WA Martins, LO Nunes, LWP Biscainho, TN Ferreira, ...
IEEE Signal Processing Letters 22 (8), 1098-1102, 2014
452014
Injecting new knowledge into large language models via supervised fine-tuning
N Mecklenburg, Y Lin, X Li, D Holstein, L Nunes, S Malvar, B Silva, ...
arXiv preprint arXiv:2404.00213, 2024
442024
Robust acoustic self-localization of mobile devices
DB Haddad, WA Martins, MVM Da Costa, LWP Biscainho, LO Nunes, ...
IEEE Transactions on Mobile Computing 15 (4), 982-995, 2015
382015
Beat and Downbeat Tracking Based on Rhythmic Patterns Applied to the Uruguayan Candombe Drumming.
LO Nunes, M Rocamora, L Jure, LWP Biscainho
ISMIR, 264-270, 2015
362015
Steered response power for sound source localization: A tutorial review
E Grinstein, E Tengan, B Çakmak, T Dietzen, L Nunes, T van Waterschoot, ...
EURASIP Journal on Audio, Speech, and Music Processing 2024 (1), 59, 2024
142024
Communication models for distributed acoustic sensing for telemetry
WA Martins, MLR de Campos, R da Silva Chaves, CPV Lordelo, ...
IEEE Sensors Journal 17 (15), 4677-4688, 2017
132017
Acoustic Sensor Self‐Localization: Models and Recent Results
DB Haddad, MVS Lima, WA Martins, LWP Biscainho, LO Nunes, B Lee
Wireless Communications and Mobile Computing 2017 (1), 7972146, 2017
122017
Efficient steered-response power methods for sound source localization using microphone arrays
MVS Lima, WA Martins, LO Nunes, LWP Biscainho, TN Ferreira, ...
arXiv preprint arXiv:1407.2351, 2014
122014
Direct reasoning optimization: Llms can reward and refine their own reasoning for open-ended tasks
Y Xu, T Chakraborty, S Sharma, L Nunes, E Kıcıman, S Lu, R Chandra
arXiv preprint arXiv:2506.13351, 2025
112025
Closed-form solutions for robust acoustic sensor localization
DB Haddad, LO Nunes, WA Martins, LWP Biscainho, B Lee
2013 IEEE Workshop on Applications of Signal Processing to Audio and …, 2013
102013
Degradation Type Classifier for Full Band Speech Contaminated with Echo, Broadband Noise, and Reverberation
LO Nunes, LWP Biscainho, B Lee, A Said, T Kalker, R Schafer
Audio, Speech, and Language Processing, IEEE Transactions on, 1-1, 2011
102011
Recursive least-squares estimation of the evolution of partials in sinusoidal analysis
LO Nunes, R Merched, LWP Biscainho
2007 IEEE International Conference on Acoustics, Speech and Signal …, 2007
92007
Rlthf: Targeted human feedback for llm alignment
Y Xu, T Chakraborty, E Kıcıman, B Aryal, E Rodrigues, S Sharma, ...
arXiv preprint arXiv:2502.13417, 2025
82025
Discriminability measure for microphone array source localization
LO Nunes, WA Martins, MVS Lima, LWP Biscainho, B Lee, A Said, ...
IWAENC 2012; International Workshop on Acoustic Signal Enhancement, 1-4, 2012
82012
Evaluation of threshold-based algorithms for detection of spectral peaks in audio
L Nunes, PAA Esquef, LWP Biscainho
Proceedings of the 5th AES-Brazil Conference, 66-73, 2007
82007
Injecting new knowledge into large language models via supervised fine-tuning, 2024
N Mecklenburg, Y Lin, X Li, D Holstein, L Nunes, S Malvar, B Silva, ...
URL https://arxiv. org/abs/2404.00213, 0
8
Unsupervised machine learning framework for sensor placement optimization: analyzing methane leaks
S Wang, S Malvar, L Nunes, K Whitehall, YD Oruganti, Y Alaudah, ...
NeurIPS 2021 Workshop on Tackling Climate Change with Machine Learning, 2021
72021
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Articles 1–20