2021

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PUC Chile team at Concept Detection: K Nearest Neighbors with Perceptual Similarity
Gregory Schuit | Vicente Castro | Pablo Pino | Denis Parra | Hans Lobel
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021

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PUC Chile team at VQA-Med 2021: approaching VQA as a classification task via fine-tuning a pretrained CNN
Ricardo Schilling | Pablo Messina | Denis Parra | Hans Löbel
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021

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PUC Chile team at TBT Task: Diagnosis of Tuberculosis Type using segmented CT scans
José Miguel Quintana | Daniel Florea | Ria Deane | Denis Parra | Pablo Pino | Pablo Messina | Hans Löbel
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021

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PUC Chile team at Caption Prediction: ResNet visual encoding and caption classification with Parametric ReLU
Vicente Castro | Pablo Pino | Denis Parra | Hans Lobel
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021

2020

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GENE: Graph generation conditioned on named entities for polarity and controversy detection in social media
Marcelo Mendoza | Denis Parra | Álvaro Soto
2020 Volume 57 Issue 6

2019

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Comparing Word Embeddings for Document Screening based on Active Learning
Andres Carvallo | Denis Parra
Proceedings of the 4th Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries (BIRNDL 2019) co-located with the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019), Paris, France, July 25, 2019

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IDM-WSDM 2019: Workshop on Interactive Data Mining
Alan Said | Denis Parra | Juhee Bae | Sepideh Pashami
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

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#Default #Interactiveart #Audiencexperience
Manuela Garretón | Andrea Rihm | Denis Parra
Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

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Recommender Systems for Online Video Game Platforms: the Case of STEAM
Germán Cheuque Cerda | José Guzmán | Denis Parra
Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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Learning to Leverage Microblog Information for QA Retrieval
Jose Miguel Herrera | Barbara Poblete | Denis Parra
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

2015

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Report on the SIGIR 2015 Workshop on Social Personalization and Search
Christoph Trattner | Denis Parra | Peter Brusilovsky | Leandro Balby Marinho
2015 Volume 49 Issue 2

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Retrieving Relevant Conversations for Q&A on Twitter
Jose Miguel Herrera | Denis Parra | Barbara Poblete
Proceedings of the International Workshop on Social Personalisation & Search, SPS 2015, co-located with the 38th Annual ACM SIGIR Conference (SIGIR 2015), Santiago de Chile, Chile, August 9-13, 2015

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Proceedings of the International Workshop on Social Personalisation & Search, SPS 2015, co-located with the 38th Annual ACM SIGIR Conference (SIGIR 2015), Santiago de Chile, Chile, August 9-13, 2015

Proceedings of the International Workshop on Social Personalisation & Search, SPS 2015, co-located with the 38th Annual ACM SIGIR Conference (SIGIR 2015), Santiago de Chile, Chile, August 9-13, 2015

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SPS'15: 2015 International Workshop on Social Personalization & Search
Christoph Trattner | Denis Parra | Peter Brusilovsky | Leandro Balby Marinho
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Identifying Relevant Messages in a Twitter-based Citizen Channel for Natural Disaster Situations
Alfredo Cobo | Denis Parra | Jaime Navón
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Towards a scalable social recommender engine for online marketplaces: the case of apache solr
Emanuel Lacic | Dominik Kowald | Denis Parra | Martin Kahr | Christoph Trattner
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume

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Who will trade with whom?: predicting buyer-seller interactions in online trading platforms through social networks
Christoph Trattner | Denis Parra | Lukas Eberhard | Xidao Wen
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume