Ricardo Campos

Diachronic Analysis of Time References in News Articles

2022 · Companion Proceedings of the Web Conference 2022

Time expressions embedded in text are important for many downstream tasks in NLP and IR. They have been, for example, utilized for timeline summarization, named entity recognition, temporal information retrieval, question answering and others. In …

YAKE! Keyword extraction from single documents using multiple local features

2019 · Information Sciences

As the amount of generated information grows, reading and summarizing texts of large collections turns into a challenging task. Many documents do not come with descriptive terms, thus requiring humans to generate keywords on-the-fly. The …