Assessing the behavior and performance of a supervised term-weighting technique for topic-based retrieval

no code implementations • 13 Jul 2020 • Mariano Maisonnave, Fernando Delbianco, Fernando Tohmé, Ana Maguitman

This article analyses and evaluates FDD\b{eta}, a supervised term-weighting scheme that can be applied for query-term selection in topic-based retrieval.

Descriptive Retrieval

Detecting Ongoing Events Using Contextual Word and Sentence Embeddings

no code implementations • 2 Jul 2020 • Mariano Maisonnave, Fernando Delbianco, Fernando Tohmé, Ana Maguitman, Evangelos Milios

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that are neither fresh nor current.

Attribute Event Detection +5