9 citations · 48 across the 13 of their papers we have counts for
6 papers · 1 filter
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…
Modeling Temporal Evidence from External Collections
Flávio Martins, João Magalhães, Jamie Callan
Newsworthy events are broadcast through multiple mediums and prompt the crowds to produce comments on social media. In this paper, we propose to leverage on this behavioral dynamic…
Ranking News-Quality Multimedia
Gonçalo Marcelino, Ricardo Pinto, João Magalhães
News editors need to find the photos that best illustrate a news piece and fulfill news-media quality standards, while being pressed to also find the most recent photos of live eve…
A Vertical PRF Architecture for Microblog Search
Flávio Martins, João Magalhães, Jamie Callan
In microblog retrieval, query expansion can be essential to obtain good search results due to the short size of queries and posts. Since information in microblogs is highly dynamic…
Barbara Made the News: Mining the Behavior of Crowds for Time-Aware Learning to Rank
Flávio Martins, João Magalhães, Jamie Callan
In Twitter, and other microblogging services, the generation of new content by the crowd is often biased towards immediacy: what is happening now. Prompted by the propagation of co…