David Semedo

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 48

Top Topics

Liveness Detection

Top Venues

Publications

Diogo Glória-Silva, Rafael Ferreira, Diogo Tavares, David Semedo, João Magalhães
Plan-Grounded Large Language Models for Dual Goal Conversational Settings. CoRR (2024)
Ricardo Lopes, João Magalhães, David Semedo
GlórIA: A Generative and Open Large Language Model for Portuguese. PROPOR (2024)
Ricardo Lopes, João Magalhães, David Semedo
GlórIA - A Generative and Open Large Language Model for Portuguese. CoRR (2024)
Diogo Glória-Silva, Rafael Ferreira, Diogo Tavares, David Semedo, João Magalhães
Plan-Grounded Large Language Models for Dual Goal Conversational Settings. EACL (1) (2024)
Rafael Ferreira, David Semedo, João Magalhães
Grounded Complex Task Segmentation for Conversational Assistants. CoRR (2023)
Rafael Ferreira, Diogo Tavares, Diogo Silva, Rodrigo Valerio, João Bordalo, Inês Simões, Vasco Ramos, David Semedo, João Magalhães
TWIZ: The Wizard of Multimodal Conversational-Stimulus. CoRR (2023)
Diogo Tavares, Pedro Azevedo, David Semedo, Ricardo Gamelas Sousa, João Magalhães
Task Conditioned BERT for Joint Intent Detection and Slot-Filling. EPIA (1) (2023)
Rafael Ferreira, David Semedo, João Magalhães
Grounded Complex Task Segmentation for Conversational Assistants. SIGDIAL (2023)
Frederico Vicente, Rafael Ferreira, David Semedo, João Magalhães
The Wizard of Curiosities: Enriching Dialogues with Fun Facts. CoRR (2023)
Rafael Ferreira, David Semedo, João Magalhães
Rating Prediction in Conversational Task Assistants with Behavioral and Conversational-Flow Features. SIGIR (2023)
Frederico Vicente, Rafael Ferreira, David Semedo, João Magalhães
The Wizard of Curiosities: Enriching Dialogues with Fun Facts. SIGDIAL (2023)
Rafael Ferreira, David Semedo, João Magalhães
Rating Prediction in Conversational Task Assistants with Behavioral and Conversational-Flow Features. CoRR (2023)
Diogo Tavares, David Semedo, Alexander Rudnicky, João Magalhães
Learning to Ask Questions for Zero-shot Dialogue State Tracking. SIGIR (2023)
Diogo Tavares, Pedro Azevedo, David Semedo, Ricardo Gamelas Sousa, João Magalhães
Task Conditioned BERT for Joint Intent Detection and Slot-filling. CoRR (2023)
Ruslan Padnevych, David Carmo, David Semedo, João Magalhães
Temporal Convolutional Networks for Robust Face Liveness Detection. IbPRIA (2022)
Rafael Ferreira, Mariana Leite, David Semedo, João Magalhães
Open-domain conversational search assistants: the Transformer is all you need. Inf. Retr. J. 25 (2) (2022)
Tiago Fornelos, Pedro Valente, Rafael Ferreira, Diogo Tavares, Diogo Silva, David Semedo, João Magalhães, Nuno Correia
A Conversational Shopping Assistant for Online Virtual Stores. ACM Multimedia (2022)
Cláudio Bartolomeu, Rui Nóbrega, David Semedo
Understanding News Text and Images Connection with Context-enriched Multimodal Transformers. ACM Multimedia (2022)
Ruslan Padnevych, David Semedo, David Carmo, João Magalhães
Improving Face Liveness Detection Robustness with Deep Convolutional Generative Adversarial Networks. EUSIPCO (2022)
Diogo Silva, David Semedo, João Magalhães
Polite Task-oriented Dialog Agents: To Generate or to Rewrite? WASSA@ACL (2022)
Andreas Lommatzsch, Benjamin Kille, Özlem Özgöbek, Yuxiao Zhou, Jelena Tesic, Cláudio Bartolomeu, David Semedo, Lidia Pivovarova, Mingliang Liang, Martha A. Larson
NewsImages: addressing the depiction gap with an online news dataset for text-image rematching. MMSys (2022)
Rafael Ferreira, Diogo Silva, Diogo Tavares, Frederico Vicente, Mariana Bonito, Gustavo Gonçalves, Rui Margarido, Paula Figueiredo, Helder Rodrigues, David Semedo, João Magalhães
TWIZ: The Multimodal Conversational Task Wizard. ACM Multimedia (2022)
Ricardo Gamelas Sousa, Pedro Miguel Ferreira, Pedro Moreira Costa, Pedro Azevedo, Joao Paulo Costeira, Carlos Santiago, João Magalhães, David Semedo, Rafael Ferreira, Alexander I. Rudnicky, Alexander G. Hauptmann
iFetch: Multimodal Conversational Agents for the Online Fashion Marketplace. MuCAI @ ACM Multimedia (2021)
Rafael Ferreira, David Semedo, João Magalhães
BERT Embeddings Can Track Context in Conversational Search. CoRR (2021)
Gonçalo Marcelino, David Semedo, André Mourão, Saverio G. Blasi, Marta Mrak, João Magalhães
Assisting News Media Editors with Cohesive Visual Storylines. CoRR (2021)
David Semedo
Towards Open-domain Vision and Language Understanding with Wikimedia. WWW (Companion Volume) (2021)
Gonçalo Marcelino, David Semedo, André Mourão, Saverio G. Blasi, João Magalhães, Marta Mrak
Assisting News Media Editors with Cohesive Visual Storylines. ACM Multimedia (2021)
Mariana Leite, Rafael Ferreira, David Semedo, João Magalhães
Knowledge-driven Answer Generation for Conversational Search. CoRR (2021)
David Semedo, David Carmo, Ruslan Padnevych, João Magalhães
Contact-free Airport Borders with Biometrics-on-the-Move. IWBF (2021)
Rafael Ferreira, Mariana Leite, David Semedo, João Magalhães
Open-Domain Conversational Search Assistant with Transformers. CoRR (2021)
Rafael Ferreira, Mariana Leite, David Semedo, João Magalhães
Open-Domain Conversational Search Assistant with Transformers. ECIR (1) (2021)
Cláudio Bartolomeu, Rui Nóbrega, David Semedo
NewsSeek-NOVA at MediaEval 2021: Context-enriched Multimodal Transformers For News Images Re-matching. MediaEval (2021)
Rafael Ferreira, David Semedo, João Magalhães
NOVA at TREC 2020 Conversational Assistance Track. TREC (2020)
David Semedo, João Magalhães
Adaptive Temporal Triplet-loss for Cross-modal Embedding Learning. ACM Multimedia (2020)
David Semedo, João Magalhães
Dynamic-Keyword Extraction from Social Media. ECIR (1) (2019)
David Semedo, João Magalhães
Diachronic Cross-modal Embeddings. CoRR (2019)
Gonçalo Marcelino, David Semedo, André Mourão, Saverio G. Blasi, Marta Mrak, João Magalhães
A Benchmark of Visual Storytelling in Social Media. ICMR (2019)
David Semedo, João Magalhães
Cross-Modal Subspace Learning with Scheduled Adaptive Margin Constraints. CoRR (2019)
Gonçalo Marcelino, David Semedo, André Mourão, Saverio G. Blasi, Marta Mrak, João Magalhães
A Benchmark of Visual Storytelling in Social Media. CoRR (2019)
David Semedo, João Magalhães
Cross-Modal Subspace Learning with Scheduled Adaptive Margin Constraints. ACM Multimedia (2019)
David Semedo, João Magalhães
Diachronic Cross-modal Embeddings. ACM Multimedia (2019)
Gonçalo Marcelino, David Semedo, João Magalhães
Graph-based social media story linking. TRECVID (2018)
David Semedo, João Magalhães, Flávio Martins
Inferring User Gender from User Generated Visual Content on a Deep Semantic Space. EUSIPCO (2018)
David Semedo, João Magalhães, Flávio Martins
Inferring User Gender from User Generated Visual Content on a Deep Semantic Space. CoRR (2018)
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
TRECVID 2018: Benchmarking Video Activity Detection, Video Captioning and Matching, Video Storytelling Linking and Video Search. TRECVID (2018)
David Semedo, João Magalhães
Temporal Cross-Media Retrieval with Soft-Smoothing. CoRR (2018)
David Semedo, João Magalhães
Temporal Cross-Media Retrieval with Soft-Smoothing. ACM Multimedia (2018)
David Semedo, João Magalhães
NovaSearch at ImageCLEFmed 2016 Subfigure Classification Task. CLEF (Working Notes) (2016)