9 citations · 13 across the 6 of their papers we have counts for
15 papers
Assisting News Media Editors with Cohesive Visual Storylines
Gonçalo Marcelino, David Semedo, André Mourão +3
Creating a cohesive, high-quality, relevant, media story is a challenge that news media editors face on a daily basis. This challenge is aggravated by the flood of highly relevant…
Knowledge-driven Answer Generation for Conversational Search
Mariana Leite, Rafael Ferreira, David Semedo +1
The conversational search paradigm introduces a step change over the traditional search paradigm by allowing users to interact with search agents in a multi-turn and natural fashio…
BERT Embeddings Can Track Context in Conversational Search
Rafael Ferreira, David Semedo, Joao Magalhaes
The use of conversational assistants to search for information is becoming increasingly more popular among the general public, pushing the research towards more advanced and sophis…
Open-Domain Conversational Search Assistant with Transformers
Rafael Ferreira, Mariana Leite, David Semedo +1
Open-domain conversational search assistants aim at answering user questions about open topics in a conversational manner. In this paper we show how the Transformer architecture ac…
Cross-Modal Subspace Learning with Scheduled Adaptive Margin Constraints
David Semedo, João Magalhães
Cross-modal embeddings, between textual and visual modalities, aim to organise multimodal instances by their semantic correlations. State-of-the-art approaches use maximum-margin m…
Diachronic Cross-modal Embeddings
David Semedo, João Magalhães
Understanding the semantic shifts of multimodal information is only possible with models that capture cross-modal interactions over time. Under this paradigm, a new embedding is ne…