João Magalhães


2005

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Mining multimedia salient concepts for incremental information extraction
João Magalhães | Stefan M. Rüger
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

2006

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Forostar: A System for GIR
Simon E. Overell | João Magalhães | Stefan M. Rüger
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

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Place Disambiguation with Co-occurrence Models
Simon E. Overell | João Magalhães | Stefan M. Rüger
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

2007

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High-dimensional visual vocabularies for image retrieval
João Magalhães | Stefan M. Rüger
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Exploring Image, Text and Geographic Evidences in ImageCLEF 2007
João Magalhães | Simon E. Overell | Stefan M. Rüger
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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GIR Experiments with Forostar at GeoCLEF 2007
Simon E. Overell | João Magalhães | Stefan M. Rüger
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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GIR Experiments with Forostar
Simon E. Overell | João Magalhães | Stefan M. Rüger
Advances in Multilingual and Multimodal Information Retrieval, 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, September 19-21, 2007, Revised Selected Papers

2010

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An information-theoretic framework for semantic-multimedia retrieval
João Magalhães | Stefan M. Rüger
2010 Volume 28 Issue 4

2011

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Google, bing and a new perspective on ranking similarity
Bruno Cardoso | João Magalhães
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

2013

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Using SKOS vocabularies for improving web search
Bernhard Haslhofer | Flávio Martins | João Magalhães
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

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NovaSearch at TREC 2013 Federated Web Search Track: Experiments with rank fusion
André Mourão | Flávio Martins | João Magalhães
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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NovaSearch at TREC 2013 Microblog Track: Experiments with reranking using Wikipedia
Flávio Martins | André Mourão | João Magalhães
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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Open research Areas in Information Retrieval, OAIR 2013, Lisbon, Portugal, May 15-17, 2013

Open research Areas in Information Retrieval, OAIR 2013, Lisbon, Portugal, May 15-17, 2013

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NovaSearch on Medical ImageCLEF 2013
André Mourão | Flávio Martins | João Magalhães
Working Notes for CLEF 2013 Conference , Valencia, Spain, September 23-26, 2013

2014

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NovaSearch at TREC 2014 Clinical Decision Support Track
André Mourão | Flávio Martins | João Magalhães
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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NovaSearch at TREC 2014 Microblog Track: Reranking with Wikipedia Page Views
Flávio Martins | João Magalhães
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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Reputation analysis with a ranked sentiment-lexicon
Filipa Peleja | João Santos | João Magalhães
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2015

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NovaSearch at TREC 2015 Clinical Decision Support Track
André Mourão | Flávio Martins | João Magalhães
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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High-Dimensional Indexing by Sparse Approximation
Pedro Borges | André Mourão | João Magalhães
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015

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Scalable Multimodal Search with Distributed Indexing by Sparse Hashing
André Mourão | João Magalhães
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015

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Learning Sentiment Based Ranked-Lexicons for Opinion Retrieval
Filipa Peleja | João Magalhães
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

2016

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Barbara Made the News: Mining the Behavior of Crowds for Time-Aware Learning to Rank
Flávio Martins | João Magalhães | Jamie Callan
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, San Francisco, CA, USA, February 22-25, 2016

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Jitter Search: A News-Based Real-Time Twitter Search Interface
Flávio Martins | João Magalhães | Jamie Callan
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

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NovaSearch at ImageCLEFmed 2016 Subfigure Classification Task
David Semedo | João Magalhães
Working Notes of CLEF 2016 - Conference and Labs of the Evaluation forum, Évora, Portugal, 5-8 September, 2016

2017

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NOVASearch at TREC 2017 Real-Time Summarization Track
Gustavo Gonçalves | Flávio Martins | João Magalhães
Proceedings of The Twenty-Sixth Text REtrieval Conference, TREC 2017, Gaithersburg, Maryland, USA, November 15-17, 2017

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3D Facial Video Retrieval and Management for Decision Support in Speech and Language Therapy
Ricardo Carrapiço | Isabel Guimarães | Margarida Grilo | Sofia Cavaco | João Magalhães
Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval, ICMR 2017, Bucharest, Romania, June 6-9, 2017

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Balanced Search Space Partitioning for Distributed Media Redundant Indexing
André Mourão | João Magalhães
Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval, ICMR 2017, Bucharest, Romania, June 6-9, 2017

2018

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Analysis of Subtopic Discovery Algorithms for Real-time Information Summarization
Gustavo Gonçalves | Flávio Martins | João Magalhães
Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018

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Improving Ad Hoc Retrieval With Bag Of Entities
Gustavo Gonçalves | João Magalhães | Chenyan Xiong | Jamie Callan
Proceedings of the Twenty-Seventh Text REtrieval Conference, TREC 2018, Gaithersburg, Maryland, USA, November 14-16, 2018

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Learning to rank clinical trials with rule-based criteria
Gonçalo Araújo | André Mourão | João Magalhães
Proceedings of the Twenty-Seventh Text REtrieval Conference, TREC 2018, Gaithersburg, Maryland, USA, November 14-16, 2018

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A Vertical PRF Architecture for Microblog Search
Flávio Martins | João Magalhães | Jamie Callan
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018

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Ranking News-Quality Multimedia
Gonçalo Marcelino | Ricardo Pinto | João Magalhães
Proceedings of the 2018 ACM on International Conference on Multimedia Retrieval, ICMR 2018, Yokohama, Japan, June 11-14, 2018

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Patient-Age Extraction for Clinical Reports Retrieval
Rúben Ramalho | André Mourão | João Magalhães
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

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Low-Complexity Supervised Rank Fusion Models
André Mourão | João Magalhães
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

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Balancing search space partitions by sparse coding for distributed redundant media indexing and retrieval
André Mourão | João Magalhães
2018 Volume 7 Issue 1

2019

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Modeling Temporal Evidence from External Collections
Flávio Martins | João Magalhães | Jamie Callan
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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Proximity-Based Entity Ranking
Gustavo Gonçalves | João Magalhães | Jamie Callan
Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019

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Towards Cloud Distributed Image Indexing by Sparse Hashing
André Mourão | João Magalhães
Proceedings of the 2019 on International Conference on Multimedia Retrieval, ICMR 2019, Ottawa, ON, Canada, June 10-13, 2019

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A Benchmark of Visual Storytelling in Social Media
Gonçalo Marcelino | David Semedo | André Mourão | Saverio G. Blasi | Marta Mrak | João Magalhães
Proceedings of the 2019 on International Conference on Multimedia Retrieval, ICMR 2019, Ottawa, ON, Canada, June 10-13, 2019

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Dynamic-Keyword Extraction from Social Media
David Semedo | João Magalhães
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

2020

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NOVA at TREC 2020 Conversational Assistance Track
Rafael Ferreira | David Semedo | João Magalhães
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020

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Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

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Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part I

Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part I

2021

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Open-Domain Conversational Search Assistant with Transformers
Rafael Ferreira | Mariana Leite | David Semedo | João Magalhães
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I

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Guest editorial: special issue on ECIR 2020
Joemon M. Jose | Emine Yilmaz | João Magalhães | Pablo Castells
2021 Volume 24 Issue 1