4 papers
An Efficient and Effective Encoder Model for Vision and Language Tasks in the Remote Sensing Domain
João Daniel Silva, Joao Magalhaes, Devis Tuia +1
The remote sensing community has recently seen the emergence of methods based on Large Vision and Language Models (LVLMs) that can address multiple tasks at the intersection of com…
Multilingual Training-Free Remote Sensing Image Captioning
Carlos Rebelo, Gil Rocha, João Daniel Silva +1
Remote sensing image captioning has advanced rapidly through encoder--decoder models, although the reliance on large annotated datasets and the focus on English restricts global ap…
Aligning Web Query Generation with Ranking Objectives via Direct Preference Optimization
João Coelho, Bruno Martins, João Magalhães +1
Neural retrieval models excel in Web search, but their training requires substantial amounts of labeled query-document pairs, which are costly to obtain. With the widespread availa…
DeepResearchGym: A Free, Transparent, and Reproducible Evaluation Sandbox for Deep Research
João Coelho, Jingjie Ning, Jingyuan He +8
Deep research systems represent an emerging class of agentic information retrieval methods that generate comprehensive and well-supported reports to complex queries. However, most…