ORIETTA NICOLIS

2025

A Proposal for Explainable Fruit Quality Recognition Using Multimodal Models

Nuñez, F., Peralta, B., Nicolis, O., Caro, L. & Mora, M., 2025, Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications - 27th Iberoamerican Congress, CIARP 2024, Proceedings. Hernández-García, R., Barrientos, R. J. & Velastin, S. A. (eds.). Springer Science and Business Media Deutschland GmbH, p. 118-132 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 15368 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2024

A contemporary review of breast cancer risk factors and the role of artificial intelligence

Nicolis, O., De Los Angeles, D. & Taramasco, C., 2024, In: Frontiers in Oncology. 14, 1356014.

Research output: Contribution to journal › Review article › peer-review

Open Access

2 Citations (Scopus)

Analyzing the Impact of COVID-19 on Economic Sustainability: A Clustering Approach

Nicolis, O., Maidana, J. P., Contreras, F. & Leal, D., Feb 2024, In: Sustainability (Switzerland). 16, 4, 1525.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Citation (Scopus)

ConvLSTM Neural Network based on Hexagonal Inputs for Spatio-Temporal Forecasting of Traffic Velocities

Bahamondes, F., Peralta, B., Nicolis, O., Bronfman, A. & Soto, A., 2024, In: CEUR Workshop Proceedings. 3827

Research output: Contribution to journal › Conference article › peer-review

Graph-Based Neural Networks for Public Transport Speed Prediction in Santiago, Chile

Muller, D., Peralta, B. & Nicolis, O., 2024, 2024 43rd International Conference of the Chilean Computer Science Society, SCCC 2024. IEEE Computer Society, (Proceedings - International Conference of the Chilean Computer Science Society, SCCC).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Self-Supervised Learning Applied to Variable Star Semi-Supervised Classification Using LSTM and GRU Networks

Merino, R., Jara, P., Peralta, B., Nicolis, O., Lobel, H. & Caro, L., 2024, Proceedings - 2024 50th Latin American Computing Conference, CLEI 2024. Institute of Electrical and Electronics Engineers Inc., (Proceedings - 2024 50th Latin American Computing Conference, CLEI 2024).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Space-time clustering of seismic events in Chile using ST-DBSCAN-EV algorithm

Nicolis, O., Delgado, L., Peralta, B., Díaz, M. & Chiodi, M., 2024, (Accepted/In press) In: Environmental and Ecological Statistics.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

2023

Editorial: Advanced methods in signal processing, image processing and pattern recognition in geosciences

Gaci, S., Nicolis, O. & Farfour, M., 6 Jan 2023, In: Frontiers in Earth Science. 10, 1122268.

Research output: Contribution to journal › Editorial › peer-review

Open Access

Gender screening on question-answering communities

Figueroa, A., Peralta, B. & Nicolis, O., 1 Apr 2023, In: Expert Systems with Applications. 215, 119405.

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Multi-Objective Location Problem for Bank Branches

Montero, E., Nicolis, O., Reid, S. & Torres, M., 2023, In: IEEE Access. 11, p. 99977-99989 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Outlier Vehicle Trajectory Detection Using Deep Autoencoders in Santiago, Chile

Peralta, B., Soria, R., Nicolis, O., Ruggeri, F., Caro, L. & Bronfman, A., 28 Jan 2023, In: Sensors. 23, 3, 1440.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Citations (Scopus)

Predicting Cardiovascular Rehabilitation of Patients with Coronary Artery Disease Using Transfer Feature Learning

Torres, R., Zurita, C., Mellado, D., Nicolis, O., Saavedra, C., Tuesta, M., Salinas, M., Bertini, A., Pedemonte, O., Querales, M. & Salas, R., 30 Jan 2023, In: Diagnostics. 13, 3, 508.

Research output: Contribution to journal › Article › peer-review

Open Access

Prediction of Failure in a First-Year Degree in a Chilean University Based on Programming Support Guides Under an XAI Approach

Sepulveda, G., Peralta, B., Levano, M., Schwarzenberg, P. & Nicolis, O., 2023, ChileCon 2023 - 2023 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies. Institute of Electrical and Electronics Engineers Inc., (Proceedings - IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, ChileCon).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Uplift Modelling Applied to a Chilean Retail Company with Siamese Neural Networks

Peralta, B., Lopez, M., Ruiz, J., Nicolis, O. & Caro, L., 2023, Proceedings - 2023 IEEE World Conference on Applied Intelligence and Computing, AIC 2023. Tomar, G. S. & Bansal, J. (eds.). Institute of Electrical and Electronics Engineers Inc., (Proceedings - 2023 IEEE World Conference on Applied Intelligence and Computing, AIC 2023).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2022

A Proposal for Deep Online Facial Verification using Selfies and Id document

Reyes, R., Peralta, B., Nicolis, O. & Caro, L., 2022, 2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022. Institute of Electrical and Electronics Engineers Inc., (2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Automatic classification of Customer Complaints in a Chilean Company Using DialogFlow

Guerrero, L., Peralta, B., Nicolis, O. & Caro, L., 2022, 2022 41st International Conference of the Chilean Computer Science Society, SCCC 2022. IEEE Computer Society, (Proceedings - International Conference of the Chilean Computer Science Society, SCCC; vol. 2022-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Combining MRA y LSTM for predicting the sismicity in Chile

Nicolis, O., Carrasco, F., Peralta, B. & Lopetegui, F., 2022, 2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022. Institute of Electrical and Electronics Engineers Inc., (2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Explainable Prediction of Academic Failure Using Bayesian Networks

Tarbes, J., Morales, P., Levano, M., Schwarzenberg, P., Nicolis, O. & Peralta, B., 2022, 2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022. Institute of Electrical and Electronics Engineers Inc., (2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Space-Time Prediction of PM_2.5 Concentrations in Santiago de Chile Using LSTM Networks

Peralta, B., Sepúlveda, T., Nicolis, O. & Caro, L., Nov 2022, In: Applied Sciences (Switzerland). 12, 22, 11317.

Research output: Contribution to journal › Article › peer-review

Open Access

12 Citations (Scopus)

Spatio-Temporal Seismicity Prediction in Chile Using a Multi-Column ConvLSTM

Fuentes, A. G., Nicolis, O., Peralta, B. & Chiodi, M., 2022, (Accepted/In press) In: IEEE Access. p. 1 1 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Temporal Cox Process with Folded Normal Intensity

Nicolis, O., Riquelme Quezada, L. M. & Ibacache-Pulgar, G., Oct 2022, In: Axioms. 11, 10, 513.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Citation (Scopus)

2021

A causal modelling for desertion and graduation prediction using Bayesian networks: A Chilean case

Peralta, B., Salazar, J., Levano, M. & Nicolis, O., 22 Mar 2021, 2021 IEEE International Conference on Automation/24th Congress of the Chilean Association of Automatic Control, ICA-ACCA 2021. Institute of Electrical and Electronics Engineers Inc., 9465333. (2021 IEEE International Conference on Automation/24th Congress of the Chilean Association of Automatic Control, ICA-ACCA 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

A grey system approach for estimating the hölderian regularity with an application to algerian well log data

Gaci, S. & Nicolis, O., Sept 2021, In: Fractal and Fractional. 5, 3, 86.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

A Proposal for the Deep Unsupervised Identification of Relevant Areas in X-Rays for Covid Detection

Martinez, J., Nicolis, O., Caro, L. & Peralta, B., 2021, 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021. Institute of Electrical and Electronics Engineers Inc., (2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Coming to grips with age prediction on imbalanced multimodal community question answering data

Figueroa, A., Peralta, B. & Nicolis, O., Feb 2021, In: Information (Switzerland). 12, 2, p. 1-27 27 p., 48.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Citations (Scopus)

ConvLSTM Neural Networks for seismic event prediction in Chile

Fuentes, A. G., Nicolis, O., Peralta, B. & Chiodi, M., 5 Aug 2021, Proceedings of the 2021 IEEE 28th International Conference on Electronics, Electrical Engineering and Computing, INTERCON 2021. Institute of Electrical and Electronics Engineers Inc., (Proceedings of the 2021 IEEE 28th International Conference on Electronics, Electrical Engineering and Computing, INTERCON 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Citations (Scopus)

Co-training for visual object recognition based on self-supervised models using a cross-entropy regularization

Díaz, G., Peralta, B., Caro, L. & Nicolis, O., Apr 2021, In: Entropy. 23, 4, 423.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Citations (Scopus)

Etas space–time modeling of chile triggered seismicity using covariates: Some preliminary results

Chiodi, M., Nicolis, O., Adelfio, G., D’angelo, N. & Gonzàlez, A., 1 Oct 2021, In: Applied Sciences (Switzerland). 11, 19, 9143.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Citations (Scopus)

Gender Identification from Community Question Answering Avatars

Peralta, B., Figueroa, A., Nicolis, O. & Trewhela, A., 23 Nov 2021, In: IEEE Access. 9, p. 156701--156716 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Local regularity investigation of well logs from an Algerian tight reservoir

Gaci, S. & Nicolis, O., 1 Jan 2021, Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology. Elsevier, p. 213-227 15 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Marketing improvement in a Chilean Retail Company using Uplift Modeling with neural networks

Lopez, M., Ruiz, J., Caro, L., Nicolis, O. & Peralta, B., 2021, 2021 40th International Conference of the Chilean Computer Science Society, SCCC 2021. IEEE Computer Society, (Proceedings - International Conference of the Chilean Computer Science Society, SCCC; vol. 2021-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology

Gaci, S., Hachay, O. & Nicolis, O., 1 Jan 2021, Elsevier. 396 p.

Research output: Book/Report › Book › peer-review

4 Citations (Scopus)

On an elliptical thin-plate spline partially varying-coefficient model

Moraga, M. S., Ibacache-Pulgar, G. & Nicolis, O., Dec 2021, In: Chilean Journal of Statistics. 12, 2, p. 205-228 24 p.

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Post-processing methods for calibrating the wind speed forecasts in central regions of Chile

Díaz, M., Nicolis, O., Marín, J. C. & Baran, S., 2021, In: Annales Mathematicae et Informaticae. 53, p. 93-108 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Predicción de casos de COVID-19 y modelo de localización asignación de bases y ambulancias considerando factores de vulnerabilidad

Translated title of the contribution: Prediction of COVID-19 cases and location-allocation optimization model for bases and ambulances considering vulnerability factorsCalderón, S. R., Nicolis, O., Peralta, B. & Menares, F., 1 Sept 2021, In: Ingeniare. 29, 3, p. 564-582 19 p.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Citation (Scopus)

Predicting the COVID-19 in the Metropolitan Region (Chile) using a GCN-LSTM neural network

Reid, S., Nicolis, O. & Peralta, B., 2021, 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021. Institute of Electrical and Electronics Engineers Inc., (2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Review chapter on mineral exploration section

Nicolis, O., 1 Jan 2021, Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology. Elsevier, p. 231-235 5 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

1 Citation (Scopus)

Statistical analysis of geological faults for characterizing mineral deposits

Nicolis, O., 1 Jan 2021, Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology. Elsevier, p. 285-293 9 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

2 Citations (Scopus)

Visual recognition incorporating features of self-supervised models for the use of unlabelled data

Diaz, G., Nicolis, O. & Peralta, B., 22 Mar 2021, 2021 IEEE International Conference on Automation/24th Congress of the Chilean Association of Automatic Control, ICA-ACCA 2021. Institute of Electrical and Electronics Engineers Inc., 9465233. (2021 IEEE International Conference on Automation/24th Congress of the Chilean Association of Automatic Control, ICA-ACCA 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Wavelet-based fractal and multifractal analysis for detecting mineral deposits using multispectral images taken by drones

Nicolis, O. & Gonzalez, C., 1 Jan 2021, Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology. Elsevier, p. 295-307 13 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

4 Citations (Scopus)

2020

Characterization of the Chilean Public Procurement Ecosystem Using Social Network Analysis

Leiva, F. H., Torres, R., Nicolis, O. & Fe, R. S., 2020, In: IEEE Access. 8, p. 138846-138858 13 p., 9149588.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Optimization of hydrologic response units (Hrus) using gridded meteorological data and spatially varying parameters

Poblete, D., Arevalo, J., Nicolis, O. & Figueroa, F., Dec 2020, In: Water (Switzerland). 12, 12, 3558.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Predicting cardiovascular disease by combining optimal feature selection methods with machine learning

Segura, M. R., Nicolis, O., Marquez, B. P. & Carrillo Azocar, J., 16 Nov 2020, 2020 39th International Conference of the Chilean Computer Science Society, SCCC 2020. IEEE Computer Society, 9281168. (Proceedings - International Conference of the Chilean Computer Science Society, SCCC; vol. 2020-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Citations (Scopus)

Predicting Motor Vehicle Theft in Santiago de Chile using Graph-Convolutional LSTM

Esquivel, N., Nicolis, O. & Marquez, B. P., 16 Nov 2020, 2020 39th International Conference of the Chilean Computer Science Society, SCCC 2020. IEEE Computer Society, 9281174. (Proceedings - International Conference of the Chilean Computer Science Society, SCCC; vol. 2020-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Citations (Scopus)

Prediction of intensity and location of seismic events using deep learning

Nicolis, O., Plaza, F. & Salas, R., 1 Jan 2020, (Accepted/In press) In: Spatial Statistics. 42, 100442.

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

SCCC 2020 Opinion

Leger, P., Contreras, D., Nicolis, O., Hernandez, C., Rojas, P., Giachetti, G., Quiroga, E., Telgie, L., Herrera, O., Dombrovskaia, L. & Psijas, A. I., 16 Nov 2020, In: Proceedings - International Conference of the Chilean Computer Science Society, SCCC. 2020-November, 9281281.

Research output: Contribution to journal › Editorial › peer-review

Open Access

Spatio-Temporal Prediction of Baltimore Crime Events Using CLSTM Neural Networks

Esquivel, N., Nicolis, O., Peralta, B. & Mateu, J., 2020, In: IEEE Access. 8, p. 209101-209112 12 p., 9252093.

Research output: Contribution to journal › Article › peer-review

Open Access

28 Citations (Scopus)

Wavelet-Based entropy measures to characterize two-dimensional fractional brownian fields

Nicolis, O., Mateu, J. & Contreras-Reyes, J. E., 1 Feb 2020, In: Entropy. 22, 2, 196.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Citations (Scopus)

2019

Bayesian spatiotemporal modeling for estimating short-term exposure to air pollution in Santiago de Chile

Nicolis, O., Díaz, M., Sahu, S. K. & Marín, J. C., 1 Jan 2019, In: Environmetrics. 30, 7, e2574.

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Crime Level Prediction using Stacked Maps with Deep Convolutional Autoencoder

Esquivel, N., Peralta, B. & Nicolis, O., Nov 2019, IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2019. Institute of Electrical and Electronics Engineers Inc., 8988082. (IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Citations (Scopus)

ORIETTA NICOLIS

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