João Magalhães

According to our database, João Magalhães authored at least 146 papers between 2004 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

SLVideo: A Sign Language Video Moment Retrieval Framework.

Gonçalo Vinagre Martins, Afonso Quinaz, Carla Viegas, Sofia Cavaco, João Magalhães

CoRR, 2024

Contrastive Sequential-Diffusion Learning: An approach to Multi-Scene Instructional Video Synthesis.

Vasco Ramos, Yonatan Bitton, Michal Yarom, Idan Szpektor, João Magalhães

CoRR, 2024

Large Language Models for Captioning and Retrieving Remote Sensing Images.

João Daniel Silva, João Magalhães, Devis Tuia, Bruno Martins

CoRR, 2024

Lisbon Computational Linguists at SemEval-2024 Task 2: Using a Mistral-7B Model and Data Augmentation.

Artur Guimarães, Bruno Martins, João Magalhães

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

GlórIA: A Generative and Open Large Language Model for Portuguese.

Ricardo Lopes, João Magalhães, David Semedo

Proceedings of the 16th International Conference on Computational Processing of Portuguese, 2024

Multilingual Vision-Language Pre-training for the Remote Sensing Domain.

João Daniel Silva, João Magalhães, Devis Tuia, Bruno Martins

Proceedings of the 32nd ACM International Conference on Advances in Geographic Information Systems, 2024

The Seven Faces of Stress: Understanding Facial Activity Patterns During Cognitive Stress.

Carla Viegas, Roy A. Maxion, Alexander G. Hauptmann, João Magalhães

Proceedings of the 18th IEEE International Conference on Automatic Face and Gesture Recognition, 2024

Show and Guide: Instructional-Plan Grounded Vision and Language Model.

Diogo Glória-Silva, David Semedo, João Magalhães

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

Multi-trait User Simulation with Adaptive Decoding for Conversational Task Assistants.

Rafael Ferreira, David Semedo, João Magalhães

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

Plan-Grounded Large Language Models for Dual Goal Conversational Settings.

Diogo Glória-Silva, Rafael Ferreira, Diogo Tavares, David Semedo, João Magalhães

Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics, 2024

Dwell in the Beginning: How Language Models Embed Long Documents for Dense Retrieval.

João Coelho, Bruno Martins, João Magalhães, Jamie Callan, Chenyan Xiong

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics, 2024

Generating Coherent Sequences of Visual Illustrations for Real-World Manual Tasks.

João Bordalo, Vasco Ramos, Rodrigo Valerio, Diogo Glória-Silva, Yonatan Bitton, Michal Yarom, Idan Szpektor, João Magalhães

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

2023

Contrastive training of a multimodal encoder for medical visual question answering.

João Daniel Silva, Bruno Martins, João Magalhães

Intell. Syst. Appl., May, 2023

TWIZ: The Wizard of Multimodal Conversational-Stimulus.

Rafael Ferreira, Diogo Tavares, Diogo Silva, Rodrigo Valerio, João Bordalo, Inês Simões, Vasco Ramos, David Semedo, João Magalhães

CoRR, 2023

Transferring Visual Attributes from Natural Language to Verified Image Generation.

Rodrigo Valerio, João Bordalo, Michal Yarom, Yonatan Bitton, Idan Szpektor, João Magalhães

CoRR, 2023

Learning to Ask Questions for Zero-shot Dialogue State Tracking.

Diogo Tavares, David Semedo, Alexander Rudnicky, João Magalhães

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

Rating Prediction in Conversational Task Assistants with Behavioral and Conversational-Flow Features.

Rafael Ferreira, David Semedo, João Magalhães

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

The Wizard of Curiosities: Enriching Dialogues with Fun Facts.

Frederico Vicente, Rafael Ferreira, David Semedo, João Magalhães

Proceedings of the 24th Meeting of the Special Interest Group on Discourse and Dialogue, 2023

Grounded Complex Task Segmentation for Conversational Assistants.

Rafael Ferreira, David Semedo, João Magalhães

Proceedings of the 24th Meeting of the Special Interest Group on Discourse and Dialogue, 2023

EMPC-SA: Error Correction Scheme using Modified Product Code for Space Applications.

João Magalhães, David C. C. Freitas, Otávio Júnior, César A. M. Marcon

Proceedings of the XIII Brazilian Symposium on Computing Systems Engineering, 2023

Handling Uncertainty in the Development of Conversational Assistants with RELAXed User Stories.

Mariana Bonito, João Araújo, João Magalhães

Proceedings of the 31st IEEE International Requirements Engineering Conference, 2023

Beyond Browser Online Shopping: Experience Attitude Towards Online 3D Shopping with Conversational Agents.

Pedro Valente, Tiago Fornelos, Rafael Ferreira, Diogo Silva, Diogo Tavares, Nuno Correia, João Magalhães, Rui Nóbrega

Proceedings of the Human-Computer Interaction - INTERACT 2023 - 19th IFIP TC13 International Conference, York, UK, August 28, 2023

Conversational Search with Random Walks over Entity Graphs.

Gustavo Gonçalves, João Magalhães, Jamie Callan

Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, 2023

Improving the Traceability of Wood-based Sheet Leftovers using Computer Vision.

Nuno Guedes, Iaggo Capitanio, Higor Vendramini Rosse, João Paulo Coelho, José Barbosa, Nélio Pires, João Magalhães

Proceedings of the 6th IEEE International Conference on Industrial Cyber-Physical Systems, 2023

Learning Semantic-Visual Embeddings with a Priority Queue.

Rodrigo Valerio, João Magalhães

Proceedings of the Pattern Recognition and Image Analysis - 11th Iberian Conference, 2023

Task Conditioned BERT for Joint Intent Detection and Slot-Filling.

Diogo Tavares, Pedro Azevedo, David Semedo, Ricardo Gamelas Sousa, João Magalhães

Proceedings of the Progress in Artificial Intelligence, 2023

2022

Open-domain conversational search assistants: the Transformer is all you need.

Rafael Ferreira, Mariana Leite, David Semedo, João Magalhães

Inf. Retr. J., 2022

Polite Task-oriented Dialog Agents: To Generate or to Rewrite?

Diogo Silva, David Semedo, João Magalhães

Proceedings of the 12th Workshop on Computational Approaches to Subjectivity, 2022

A Conversational Shopping Assistant for Online Virtual Stores.

Tiago Fornelos, Pedro Valente, Rafael Ferreira, Diogo Tavares, Diogo Silva, David Semedo, João Magalhães, Nuno Correia

Proceedings of the MM '22: The 30th ACM International Conference on Multimedia, Lisboa, Portugal, October 10, 2022

TWIZ: The Multimodal Conversational Task Wizard.

Rafael Ferreira, Diogo Silva, Diogo Tavares, Frederico Vicente, Mariana Bonito, Gustavo Gonçalves, Rui Margarido, Paula Figueiredo, Helder Rodrigues, David Semedo, João Magalhães

Proceedings of the MM '22: The 30th ACM International Conference on Multimedia, Lisboa, Portugal, October 10, 2022

Temporal Convolutional Networks for Robust Face Liveness Detection.

Ruslan Padnevych, David Carmo, David Semedo, João Magalhães

Proceedings of the Pattern Recognition and Image Analysis - 10th Iberian Conference, 2022

Remote sensing visual question answering with a self-attention multi-modal encoder.

João Daniel Silva, João Magalhães, Devis Tuia, Bruno Martins

Proceedings of the 5th ACM SIGSPATIAL International Workshop on AI for Geographic Knowledge Discovery, 2022

Improving Face Liveness Detection Robustness with Deep Convolutional Generative Adversarial Networks.

Ruslan Padnevych, David Semedo, David Carmo, João Magalhães

Proceedings of the 30th European Signal Processing Conference, 2022

2021

Guest editorial: special issue on ECIR 2020.

Joemon M. Jose, Emine Yilmaz, João Magalhães, Pablo Castells

Inf. Retr. J., 2021

DNS Firewall Based on Machine Learning.

Claudio Marques, Silvestre Malta, João Magalhães

Future Internet, 2021

Knowledge-driven Answer Generation for Conversational Search.

Mariana Leite, Rafael Ferreira, David Semedo, João Magalhães

CoRR, 2021

BERT Embeddings Can Track Context in Conversational Search.

Rafael Ferreira, David Semedo, João Magalhães

CoRR, 2021

iFetch: Multimodal Conversational Agents for the Online Fashion Marketplace.

Ricardo Gamelas Sousa, Pedro Miguel Ferreira, Pedro Moreira Costa, Pedro Azevedo, João Paulo Costeira, Carlos Santiago, João Magalhães, David Semedo, Rafael Ferreira, Alexander I. Rudnicky, Alexander G. Hauptmann

Proceedings of the MuCAI'21: Proceedings of the 2nd ACM Multimedia Workshop on Multimodal Conversational AI, 2021

Assisting News Media Editors with Cohesive Visual Storylines.

Gonçalo Marcelino, David Semedo, André Mourão, Saverio G. Blasi, João Magalhães, Marta Mrak

Proceedings of the MM '21: ACM Multimedia Conference, Virtual Event, China, October 20, 2021

MuCAI'21: 2nd ACM Multimedia Workshop on Multimodal Conversational AI.

João Magalhães, Alexander G. Hauptmann, Ricardo Gamelas Sousa, Carlos Santiago

Proceedings of the MM '21: ACM Multimedia Conference, Virtual Event, China, October 20, 2021

The Next Generation Multimodal Conversational Search and Recommendation.

João Magalhães, Tat-Seng Chua, Tao Mei, Alan F. Smeaton

Proceedings of the MM '21: ACM Multimedia Conference, Virtual Event, China, October 20, 2021

Contact-free Airport Borders with Biometrics-on-the-Move.

David Semedo, David Carmo, Ruslan Padnevych, João Magalhães

Proceedings of the 9th IEEE International Workshop on Biometrics and Forensics, 2021

Improving Neural Models for the Retrieval of Relevant Passages to Geographical Queries.

João Coelho, João Magalhães, Bruno Martins

Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021

Open-Domain Conversational Search Assistant with Transformers.

Rafael Ferreira, Mariana Leite, David Semedo, João Magalhães

Proceedings of the Advances in Information Retrieval, 2021

2020

The BioVisualSpeech Corpus of Words with Sibilants for Speech Therapy Games Development.

Sofia Cavaco, Isabel Guimarães, Mariana Ascensão, Alberto Abad, Ivo Anjos, Francisco Oliveira, Sofia Martins, Nuno Marques, Maxine Eskénazi, João Magalhães, Margarida Grilo

Inf., 2020

Sibilant consonants classification comparison with multi- and single-class neural networks.

Ivo Anjos, Nuno Cavalheiro Marques, Margarida Grilo, Isabel Guimarães, João Magalhães, Sofia Cavaco

Expert Syst. J. Knowl. Eng., 2020

NOVA at TREC 2020 Conversational Assistance Track.

Rafael Ferreira, David Semedo, João Magalhães

Proceedings of the Twenty-Ninth Text REtrieval Conference, 2020

The BioVisualSpeech European Portuguese Sibilants Corpus.

Margarida Grilo, Isabel Guimarães, Mariana Ascensão, Alberto Abad, Ivo Anjos, João Magalhães, Sofia Cavaco

Proceedings of the Computational Processing of the Portuguese Language, 2020

Adaptive Temporal Triplet-loss for Cross-modal Embedding Learning.

David Semedo, João Magalhães

Proceedings of the MM '20: The 28th ACM International Conference on Multimedia, 2020

MuCAI'20: 1st International Workshop on Multimodal Conversational AI.

Alex Hauptmann, João Magalhães, Ricardo Gamelas Sousa, João Paulo Costeira

Proceedings of the MM '20: The 28th ACM International Conference on Multimedia, 2020

Detection of Voicing and Place of Articulation of Fricatives with Deep Learning in a Virtual Speech and Language Therapy Tutor.

Ivo Anjos, Maxine Eskénazi, Nuno Marques, Margarida Grilo, Isabel Guimarães, João Magalhães, Sofia Cavaco

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

2019

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, 2019

Proximity-Based Entity Ranking.

Gustavo Gonçalves, João Magalhães, Jamie Callan

Proceedings of the Twenty-Eighth Text REtrieval Conference, 2019

Diachronic Cross-modal Embeddings.

David Semedo, João Magalhães

Proceedings of the 27th ACM International Conference on Multimedia, 2019

Cross-Modal Subspace Learning with Scheduled Adaptive Margin Constraints.

David Semedo, João Magalhães

Proceedings of the 27th ACM International Conference on Multimedia, 2019

Towards Cloud Distributed Image Indexing by Sparse Hashing.

André Mourão, João Magalhães

Proceedings of the 2019 on International Conference on Multimedia Retrieval, 2019

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, 2019

Sustained Vowel Game: A Computer Therapy Game for Children with Dysphonia.

Vanessa Lopes, João Magalhães, Sofia Cavaco

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

A Dynamic Difficulty Adjustment Model for Dysphonia Therapy Games.

Vanessa Lopes, João Magalhães, Sofia Cavaco

Proceedings of the 14th International Joint Conference on Computer Vision, 2019

Sibilant Consonants Classification with Deep Neural Networks.

Ivo Anjos, Nuno Marques, Margarida Grilo, Isabel Guimarães, João Magalhães, Sofia Cavaco

Proceedings of the Progress in Artificial Intelligence, 2019

Dynamic-Keyword Extraction from Social Media.

David Semedo, João Magalhães

Proceedings of the Advances in Information Retrieval, 2019

2018

Balancing search space partitions by sparse coding for distributed redundant media indexing and retrieval.

André Mourão, João Magalhães

Int. J. Multim. Inf. Retr., 2018

Analysis of Subtopic Discovery Algorithms for Real-time Information Summarization.

Gustavo Gonçalves, Flávio Martins, João Magalhães

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

Graph-based social media story linking.

Gonçalo Marcelino, David Semedo, João Magalhães

Proceedings of the 2018 TREC Video Retrieval Evaluation, 2018

TRECVID 2018: Benchmarking Video Activity Detection, Video Captioning and Matching, Video Storytelling Linking and Video Search.

George Awad, Asad A. Butt, Keith Curtis, Yooyoung Lee, Jonathan G. Fiscus, Afzal Godil, David Joy, Andrew Delgado, Alan F. Smeaton, Yvette Graham, Wessel Kraaij, Georges Quénot, João Magalhães, David Semedo, Saverio G. Blasi

Proceedings of the 2018 TREC Video Retrieval Evaluation, 2018

Improving Ad Hoc Retrieval With Bag Of Entities.

Gustavo Gonçalves, João Magalhães, Chenyan Xiong, Jamie Callan

Proceedings of the Twenty-Seventh Text REtrieval Conference, 2018

Learning to rank clinical trials with rule-based criteria.

Gonçalo Araújo, André Mourão, João Magalhães

Proceedings of the Twenty-Seventh Text REtrieval Conference, 2018

Temporal Cross-Media Retrieval with Soft-Smoothing.

David Semedo, João Magalhães

Proceedings of the 2018 ACM Multimedia Conference on Multimedia Conference, 2018

Ranking News-Quality Multimedia.

Gonçalo Marcelino, Ricardo Pinto, João Magalhães

Proceedings of the 2018 ACM on International Conference on Multimedia Retrieval, 2018

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, 2018

Inferring User Gender from User Generated Visual Content on a Deep Semantic Space.

David Semedo, João Magalhães, Flávio Martins

Proceedings of the 26th European Signal Processing Conference, 2018

Patient-Age Extraction for Clinical Reports Retrieval.

Rúben Ramalho, André Mourão, João Magalhães

Proceedings of the Advances in Information Retrieval, 2018

A Model for Sibilant Distortion Detection in Children.

Ivo Anjos, Margarida Grilo, Mariana Ascensão, Isabel Guimarães, João Magalhães, Sofia Cavaco

Proceedings of the 2018 International Conference on Digital Medicine and Image Processing, 2018

Low-Complexity Supervised Rank Fusion Models.

André Mourão, João Magalhães

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, 2018

2017

Large-scale high-dimensional indexing by sparse hashing with l 0 approximation.

Pedro Borges, André Mourão, João Magalhães

Multim. Tools Appl., 2017

Visual-feedback in an interactive environment for speech-language therapy.

André Grossinho, João Magalhães, Sofia Cavaco

Proceedings of the 6th International Workshop on Child Computer Interaction, 2017

NOVASearch at TREC 2017 Real-Time Summarization Track.

Gustavo Gonçalves, Flávio Martins, João Magalhães

Proceedings of The Twenty-Sixth Text REtrieval Conference, 2017

Automatic organisation, segmentation, and filtering of user-generated audio content.

Gonçalo Mordido, João Magalhães, Sofia Cavaco

Proceedings of the 19th IEEE International Workshop on Multimedia Signal Processing, 2017

Balanced Search Space Partitioning for Distributed Media Redundant Indexing.

André Mourão, João Magalhães

Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval, 2017

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, 2017

Improving Cold-Start Recommendations with Social-Media Trends and Reputations.

João Santos, Filipa Peleja, Flávio Martins, João Magalhães

Proceedings of the Advances in Intelligent Data Analysis XVI, 2017

Automatic organisation and quality analysis of user-generated content with audio fingerprinting.

Gonçalo Mordido, João Magalhães, Sofia Cavaco

Proceedings of the 25th European Signal Processing Conference, 2017

Live Collaborative Social-Media Video Timelines.

Rui Queiros, Nuno Correia, João Magalhães

Proceedings of the 15th International Workshop on Content-Based Multimedia Indexing, 2017

Computer Coding at School and Game Creation.

Isabel Barbosa, João Magalhães, Vasilis Manassakis, Giorgos E. Panselinas, Castália Almeida, Ermelinda Alves, Loredana Mataresse, Pasqualle Mossa, Amílcar Baptista, Sara Brandão, Katarzyna Azevedo

Proceedings of the Interactivity, Game Creation, Design, Learning, and Innovation, 2017

A Serious Mobile Game with Visual Feedback for Training Sibilant Consonants.

Ivo Anjos, Margarida Grilo, Mariana Ascensão, Isabel Guimarães, João Magalhães, Sofia Cavaco

Proceedings of the Advances in Computer Entertainment Technology, 2017

2016

Crowdsourcing facial expressions for affective-interaction.

Gonçalo Tavares, André Mourão, João Magalhães

Comput. Vis. Image Underst., 2016

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, 2016

Robust phoneme recognition for a speech therapy environment.

André Grossinho, Isabel Guimarães, João Magalhães, Sofia Cavaco

Proceedings of the 2016 IEEE International Conference on Serious Games and Applications for Health, 2016

Robust scoring of voice exercises in computer-based speech therapy systems.

Mariana Diogo, Maxine Eskénazi, João Magalhães, Sofia Cavaco

Proceedings of the 24th European Signal Processing Conference, 2016

Jitter Search: A News-Based Real-Time Twitter Search Interface.

Flávio Martins, João Magalhães, Jamie Callan

Proceedings of the Advances in Information Retrieval, 2016

NovaSearch at ImageCLEFmed 2016 Subfigure Classification Task.

David Semedo, João Magalhães

Proceedings of the Working Notes of CLEF 2016, 2016

Linguistic Benchmarks of Online News Article Quality.

Ioannis Arapakis, Filipa Peleja, Berkant Barla Cambazoglu, João Magalhães

Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics, 2016

A voice-controlled serious game for the sustained vowel exercise.

Marta Lopes, João Magalhães, Sofia Cavaco

Proceedings of the 13th International Conference on Advances in Computer Entertainment Technology, 2016

2015

Multimodal medical information retrieval with unsupervised rank fusion.

André Mourão, Flávio Martins, João Magalhães

Comput. Medical Imaging Graph., 2015

NovaSearch at TREC 2015 Clinical Decision Support Track.

André Mourão, Flávio Martins, João Magalhães

Proceedings of The Twenty-Fourth Text REtrieval Conference, 2015

Scalable Multimodal Search with Distributed Indexing by Sparse Hashing.

André Mourão, João Magalhães

Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, 2015

High-Dimensional Indexing by Sparse Approximation.

Pedro Borges, André Mourão, João Magalhães

Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, 2015

Learning Text Patterns to Detect Opinion Targets.

Filipa Peleja, João Magalhães

Proceedings of the KDIR 2015, 2015

Explanatory opinions: to whom or what is all the fuzz about?

Filipa Peleja, Ioannis Arapakis, João Magalhães

Proceedings of the Sixth BCS-IRSG Symposium on Future Directions in Information Access, 2015

A comparison of thermal image descriptors for face analysis.

Ricardo Carrapiço, André Mourão, João Magalhães, Sofia Cavaco

Proceedings of the 23rd European Signal Processing Conference, 2015

Learning Sentiment Based Ranked-Lexicons for Opinion Retrieval.

Filipa Peleja, João Magalhães

Proceedings of the Advances in Information Retrieval, 2015

Learning Ranked Sentiment Lexicons.

Filipa Peleja, João Magalhães

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2015

2014

Ranking Linked-Entities in a Sentiment Graph.

Filipa Peleja, João Santos, João Magalhães

Proceedings of the 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT), Warsaw, Poland, August 11-14, 2014, 2014

NovaSearch at TREC 2014 Clinical Decision Support Track.

André Mourão, Flávio Martins, João Magalhães

Proceedings of The Twenty-Third Text REtrieval Conference, 2014

NovaSearch at TREC 2014 Microblog Track: Reranking with Wikipedia Page Views.

Flávio Martins, João Magalhães

Proceedings of The Twenty-Third Text REtrieval Conference, 2014

Reputation analysis with a ranked sentiment-lexicon.

Filipa Peleja, João Santos, João Magalhães

Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

Multi-user Diverse Recommendations through Greedy Vertex-Angle Maximization.

Pedro Dias, João Magalhães

Proceedings of the Advances in Intelligent Data Analysis XIII, 2014

Sparse reconstruction of facial expressions with localized gabor moments.

André Mourão, Pedro Borges, Nuno Correia, João Magalhães

Proceedings of the 22nd European Signal Processing Conference, 2014

Inverse square rank fusion for multimodal search.

André Mourão, Flávio Martins, João Magalhães

Proceedings of the 12th International Workshop on Content-Based Multimedia Indexing, 2014

An interactive toolset for speech therapy.

André Grossinho, Sofia Cavaco, João Magalhães

Proceedings of the 11th Conference on Advances in Computer Entertainment Technology, 2014

2013

A recommender system for the TV on the web: integrating unrated reviews and movie ratings.

Filipa Peleja, Pedro Dias, Flávio Martins, João Magalhães

Multim. Syst., 2013

Using SKOS vocabularies for improving web search.

Bernhard Haslhofer, Flávio Martins, João Magalhães

Proceedings of the 22nd International World Wide Web Conference, 2013

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, 2013

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, 2013

Crowdsourcing for affective-interaction in computer games.

Gonçalo Tavares, André Mourão, João Magalhães

Proceedings of the 2nd ACM international workshop on Crowdsourcing for multimedia, 2013

NovaEmötions: winning with a smile.

André Mourão, João Magalhães

Proceedings of the ACM Multimedia Conference, 2013

Competitive affective gaming: winning with a smile.

André Mourão, João Magalhães

Proceedings of the ACM Multimedia Conference, 2013

Music recommendations for groups of users.

Pedro Dias, João Magalhães

Proceedings of the 2013 ACM international workshop on Immersive media experiences, 2013

Facial Expression Recognition by Sparse Reconstruction with Robust Features.

André Mourão, Pedro Borges, Nuno Correia, João Magalhães

Proceedings of the Image Analysis and Recognition - 10th International Conference, 2013

NovaSearch on Medical ImageCLEF 2013.

André Mourão, Flávio Martins, João Magalhães

Proceedings of the Working Notes for CLEF 2013 Conference , 2013

2012

Using manual and automated annotations to search images by semantic similarity.

João Magalhães, Stefan M. Rüger

Multim. Tools Appl., 2012

A Regularized Recommendation Algorithm with Probabilistic Sentiment-Ratings.

Filipa Peleja, Pedro Dias, João Magalhães

Proceedings of the 12th IEEE International Conference on Data Mining Workshops, 2012

SentiTVchat: sensing the mood of social-TV viewers.

Flávio Martins, Filipa Peleja, João Magalhães

Proceedings of the 10th European Conference on Interactive TV and Video, 2012

2011

Google, bing and a new perspective on ranking similarity.

Bruno Cardoso, João Magalhães

Proceedings of the 20th ACM Conference on Information and Knowledge Management, 2011

Efficient indexing structures for fast media search and browsing.

Marco Teixeira, João Magalhães

Proceedings of the 9th International Workshop on Content-Based Multimedia Indexing, 2011

2010

An information-theoretic framework for semantic-multimedia retrieval.

João Magalhães, Stefan M. Rüger

ACM Trans. Inf. Syst., 2010

Automated Illustration of News Stories.

Diogo Delgado, João Magalhães, Nuno Correia

Proceedings of the 4th IEEE International Conference on Semantic Computing (ICSC 2010), 2010

Assisted news reading with automated illustration.

Diogo Delgado, João Magalhães, Nuno Correia

Proceedings of the 18th International Conference on Multimedia 2010, 2010

2009

Applying semantic web technologies to knowledge sharing in aerospace engineering.

Aba-Sah Dadzie, Ravish Bhagdev, Ajay Chakravarthy, Sam Chapman, José Iria, Vitaveska Lanfranchi, João Magalhães, Daniela Petrelli, Fabio Ciravegna

J. Intell. Manuf., 2009

Life Engine - Creating Artificial Life for Scientific and Entertainment Purposes.

Gonçalo M. Marques, António Lorena, João Magalhães, Tânia Sousa, Sebastiaan A. L. M. Kooijman, Tiago Domingos

Proceedings of the Advances in Artificial Life. Darwin Meets von Neumann, 2009

Web news categorization using a cross-media document graph.

José Iria, Fabio Ciravegna, João Magalhães

Proceedings of the 8th ACM International Conference on Image and Video Retrieval, 2009

2008

Exploring multimedia in a keyword space.

João Magalhães, Fabio Ciravegna, Stefan M. Rüger

Proceedings of the 16th International Conference on Multimedia 2008, 2008

2007

High-dimensional visual vocabularies for image retrieval.

João Magalhães, Stefan M. Rüger

Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

Enhancing enterprise knowledge processes via cross-media extraction.

José Iria, Victoria S. Uren, Alberto Lavelli, Sebastian Blohm, Aba-Sah Dadzie, Thomas Franz, Ioannis Kompatsiaris, João Magalhães, Spiros Nikolopoulos, Christine Preisach, Piercarlo Slavazza

Proceedings of the 4th International Conference on Knowledge Capture (K-CAP 2007), 2007

GIR Experiments with Forostar at GeoCLEF 2007.

Simon E. Overell, João Magalhães, Stefan M. Rüger

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

GIR Experiments with Forostar.

Simon E. Overell, João Magalhães, Stefan M. Rüger

Proceedings of the Advances in Multilingual and Multimodal Information Retrieval, 2007

Exploring Image, Text and Geographic Evidences in ImageCLEF 2007.

João Magalhães, Simon E. Overell, Stefan M. Rüger

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

Information-theoretic semantic multimedia indexing.

João Magalhães, Stefan M. Rüger

Proceedings of the 6th ACM International Conference on Image and Video Retrieval, 2007

2006

Imperial College and Johns Hopkins University at TRECVID.

Arnab Ghoshal, Sanjeev Khudanpur, João Magalhães, Simon E. Overell, Stefan M. Rüger, Alexei Yavlinsky

Proceedings of the 2006 TREC Video Retrieval Evaluation, 2006

Place Disambiguation with Co-occurrence Models.

Simon E. Overell, João Magalhães, Stefan M. Rüger

Proceedings of the Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), 2006

Forostar: A System for GIR.

Simon E. Overell, João Magalhães, Stefan M. Rüger

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

Logistic Regression of Generic Codebooks for Semantic Image Retrieval.

João Magalhães, Stefan M. Rüger

Proceedings of the Image and Video Retrieval, 5th International Conference, 2006

2005

Imperial College at TRECVID.

Rui Jesus, João Magalhães, Alexei Yavlinsky, Stefan M. Rüger

Proceedings of the 2005 TREC Video Retrieval Evaluation, 2005

Mining multimedia salient concepts for incremental information extraction.

João Magalhães, Stefan M. Rüger

Proceedings of the SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2005

2004

Using MPEG standards for multimedia customization.

João Magalhães, Fernando Pereira

Signal Process. Image Commun., 2004

Video Retrieval Using Search and Browsing.

Daniel Heesch, Peter Howarth, João Magalhães, Alexander May, Marcus Jerome Pickering, Alexei Yavlinsky, Stefan M. Rüger

Proceedings of the 2004 TREC Video Retrieval Evaluation, 2004