NovaSearch at ImageCLEFmed 2016 Subfigure Classification Task. - David Semedo; João Magalhães (CLEF (Working Notes), 2016)

Inferring User Gender from User Generated Visual Content on a Deep Semantic Space. - David Semedo; João Magalhães; Flávio Martins 001 (EUSIPCO, 2018)

Temporal Cross-Media Retrieval with Soft-Smoothing. - David Semedo; João Magalhães (ACM Multimedia, 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; et al. (TRECVID, 2018)

Graph-based social media story linking. - Gonçalo Marcelino; David Semedo; João Magalhães (TRECVID, 2018)

Dynamic-Keyword Extraction from Social Media. - David Semedo; João Magalhães (ECIR (1), 2019)

A Benchmark of Visual Storytelling in Social Media. - Gonçalo Marcelino; David Semedo; André Mourão; Saverio G. Blasi; Marta Mrak; João Magalhães (ICMR, 2019)

Cross-Modal Subspace Learning with Scheduled Adaptive Margin Constraints. - David Semedo; João Magalhães (ACM Multimedia, 2019)

Diachronic Cross-modal Embeddings. - David Semedo; João Magalhães (ACM Multimedia, 2019)

Adaptive Temporal Triplet-loss for Cross-modal Embedding Learning. - David Semedo; João Magalhães (ACM Multimedia, 2020)

NOVA at TREC 2020 Conversational Assistance Track. - Rafael Ferreira 003; David Semedo; João Magalhães (TREC, 2020)

Bridging Vision and Language over Time with Neural Cross-modal Embeddings - David Semedo (2020)

Open-Domain Conversational Search Assistant with Transformers. - Rafael Ferreira 003; Mariana Leite; David Semedo; João Magalhães (ECIR (1), 2021)

Contact-free Airport Borders with Biometrics-on-the-Move. - David Semedo; David Carmo; Ruslan Padnevych; João Magalhães (IWBF, 2021)

NewsSeek-NOVA at MediaEval 2021: Context-enriched Multimodal Transformers For News Images Re-matching. - Cláudio Bartolomeu; Rui Nóbrega; David Semedo (MediaEval, 2021)

Assisting News Media Editors with Cohesive Visual Storylines. - Gonçalo Marcelino; David Semedo; André Mourão; Saverio G. Blasi; João Magalhães; Marta Mrak (ACM Multimedia, 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 003; Alexander I. Rudnicky; Alexander G. Hauptmann (MuCAI @ ACM Multimedia, 2021)

Towards Open-domain Vision and Language Understanding with Wikimedia. - David Semedo (WWW (Companion Volume), 2021)

BERT Embeddings Can Track Context in Conversational Search. - Rafael Ferreira 003; David Semedo; João Magalhães (CoRR, 2021)

Knowledge-driven Answer Generation for Conversational Search. - Mariana Leite; Rafael Ferreira 003; David Semedo; João Magalhães (CoRR, 2021)

Improving Face Liveness Detection Robustness with Deep Convolutional Generative Adversarial Networks. - Ruslan Padnevych; David Semedo; David Carmo; João Magalhães (EUSIPCO, 2022)

Temporal Convolutional Networks for Robust Face Liveness Detection. - Ruslan Padnevych; David Carmo; David Semedo; João Magalhães (IbPRIA, 2022)

TWIZ: The Multimodal Conversational Task Wizard. - Rafael Ferreira 003; Diogo Silva; Diogo Tavares; Frederico Vicente; Mariana Bonito; Gustavo Gonçalves; Rui Margarido; Paula Figueiredo; Helder Rodrigues; David Semedo; João Magalhães (ACM Multimedia, 2022)

Understanding News Text and Images Connection with Context-enriched Multimodal Transformers. - Cláudio Bartolomeu; Rui Nóbrega; David Semedo (ACM Multimedia, 2022)

A Conversational Shopping Assistant for Online Virtual Stores. - Tiago Fornelos; Pedro Valente; Rafael Ferreira 003; Diogo Tavares; Diogo Silva; David Semedo; João Magalhães; Nuno Correia 001 (ACM Multimedia, 2022)

NewsImages: addressing the depiction gap with an online news dataset for text-image rematching. - Andreas Lommatzsch; Benjamin Kille; Özlem Özgöbek; Yuxiao Zhou 002; Jelena Tesic; Cláudio Bartolomeu; David Semedo; Lidia Pivovarova; Mingliang Liang; Martha A. Larson (MMSys, 2022)

Polite Task-oriented Dialog Agents: To Generate or to Rewrite? - Diogo Silva; David Semedo; João Magalhães (WASSA@ACL, 2022)

Open-domain conversational search assistants: the Transformer is all you need. - Rafael Ferreira 003; Mariana Leite; David Semedo; João Magalhães (Inf. Retr. J., 2022)

Task Conditioned BERT for Joint Intent Detection and Slot-Filling. - Diogo Tavares; Pedro Azevedo; David Semedo; Ricardo Gamelas Sousa; João Magalhães (EPIA (1), 2023)

Grounded Complex Task Segmentation for Conversational Assistants. - Rafael Ferreira 003; David Semedo; João Magalhães (SIGDIAL, 2023)

The Wizard of Curiosities: Enriching Dialogues with Fun Facts. - Frederico Vicente; Rafael Ferreira 003; David Semedo; João Magalhães (SIGDIAL, 2023)

Rating Prediction in Conversational Task Assistants with Behavioral and Conversational-Flow Features. - Rafael Ferreira 003; David Semedo; João Magalhães (SIGIR, 2023)

Learning to Ask Questions for Zero-shot Dialogue State Tracking. - Diogo Tavares; David Semedo; Alexander Rudnicky; João Magalhães (SIGIR, 2023)

TWIZ: The Wizard of Multimodal Conversational-Stimulus. - Rafael Ferreira 003; Diogo Tavares; Diogo Silva; Rodrigo Valerio; João Bordalo; Inês Simões; Vasco Ramos; David Semedo; João Magalhães (CoRR, 2023)

Plan-Grounded Large Language Models for Dual Goal Conversational Settings. - Diogo Glória-Silva; Rafael Ferreira 003; Diogo Tavares; David Semedo; João Magalhães (EACL (1), 2024)

Multi-trait User Simulation with Adaptive Decoding for Conversational Task Assistants. - Rafael Ferreira 003; David Semedo; João Magalhães (EMNLP (Findings), 2024)

Show and Guide: Instructional-Plan Grounded Vision and Language Model. - Diogo Glória-Silva; David Semedo; João Magalhães (EMNLP, 2024)

GlórIA: A Generative and Open Large Language Model for Portuguese. - Ricardo Lopes; João Magalhães; David Semedo (PROPOR (1), 2024)

Zero-Shot Action Recognition in Surveillance Videos. - João Pereira 007; Vasco Lopes; David Semedo; João Neves 006 (CoRR, 2024)

Towards Event-Driven Evaluation of Surveillance Video Understanding Using Natural Language. - João Pereira 007; Vasco Lopes; João Neves 006; David Semedo (IbPRIA (2), 2025)

Self-ReS: Self-Reflection in Large Vision-Language Models for Long Video Understanding. - João Pereira 007; Vasco Lopes; David Semedo; João Neves 006 (CoRR, 2025)