Pieringer C., Pichara K., Catelán M., Protopapas P. (2019)

An Algorithm for the Visualization of Relevant Patterns in Astronomical Light Curves

Monthly Notices of the Royal Astronomical Society 484 3 3071–3077

Astudillo J., Protopapas P., Pichara K., Hujise P. (2019)

An Information Theory Approach on Deciding Spectroscopic Follow Ups

Astronomical Journal 159 1 1-14

Aguirre C., Pichara K. and Becker I. (2019)

Deep multi-survey classification of variable stars

Monthly Notices of the Royal Astronomical Society 482 4 5078–5092

Sandoval A., González C., Alarcón R., Pichara K. and Montenegro M. (2018)

Centralized student performance prediction in large courses based on low-cost variables in an institutional context

Internet and Higher Education 37 76-89

Castro N., Protopapas P. and Pichara K. (2018)

Uncertain Classification of Variable Stars: Handling Observational GAPS and Noise

Astronomical Journal 155 1 15pp

Peralta M., Alarcón R., Pichara K., Mery T., Bozo J. and Cano F. (2018)

Understanding Learning Resources Metadata for Primary and Secondary Education

IEEE Transactions on Learning Technologies 11 4 456-467

Valenzuela L. and Pichara K. (2018)

Unsupervised Classification of Variable Stars

Monthly Notices of the Royal Astronomical Society 474 3 3259–3272

Benavente P., Protopapas P. and Pichara K. (2017)

Automatic Survey-invariant Classification of Variable Stars

Astrophysical Journal 845 2 84-92

Mackenzie C., Pichara K. and Protopapas P. (2016)

CLUSTERING-BASED FEATURE LEARNING ON VARIABLE STARS

Astrophysical Journal 820 2 15pp

Pichara K., Protopapas P. and León D. (2016)

META-CLASSIFICATION FOR VARIABLE STARS

Astrophysical Journal 819 1 11pp

Carrasco D., Barrientos L.F., Pichara K., Anguita T., Murphy D.N.A., Gilbank D.G., Gladders M.D., Yee H.K.C., Hsieh B.C. and López S. (2015)

Photometric classification of quasars from RCS-2 using Random Forest

Astronomy & Astrophysics 584 A44 17pp

Pichara K. and Soto A. (2014)

Local feature selection using gaussian process regression

Intelligent Data Analysis

Num I., Pichara K., Protopapas P. and Kim D-W. (2014)

SUPERVISED DETECTION OF ANOMALOUS LIGHTCURVES IN MASSIVE ASTRONOMICAL CATALOGS

Astrophysical Journal 793 1 16pp

Angeloni R., Contreras Ramos R., Catelan M., DéKány I., Gran F., Alonso-García J., Hempel M., Navarrete C., Andrews H., Aparicio A., Beamín J.C., Berger C., Borissova J., Contreras Peña C., Cunial A., de Grijs R., Espinoza N., Eyheramendy S., Ferreira Lop (2014)

The VVV Templates Project Towards an automated classification of VVV light-curves. I. Building a database of stellar variability in the near-infrared

Astronomy & Astrophysics 567 100 11pp

Pichara K. and Protopapas P. (2013)

Automatic classification of variable stars in catalogs with missing data

Astrophysical Journal 777 2

Pichara K., Protopapas P., Kim D.W., Marquette J.B. and Tisserand P. (2012)

An improved quasar detection method in EROS-2 and MACHO LMC data sets. http://dx.doi.org/10.1111/j.1365-2966.2012.22061.x

Monthly Notices of the Royal Astronomical Society 427 2 1284–1297

Pichara K. and Soto A. (2011)

Active learning and subspace clustering for anomaly detection. http://dx.doi.org/10.3233/IDA-2010-0461

Intelligent Data Analysis 15 2 151-171