This paper gives an overview of the INEX 2009 Ad Hoc Track. The main goals of the Ad Hoc
Track were three-fold. The first goal was to investigate the impact of the collection scale and …

This paper gives an overview of the INEX 2010 Ad Hoc Track. The main goals of the Ad Hoc
Track were three-fold. The first goal was to study focused retrieval under resource restricted …

Passage Retrieval systems aim at retrieving and ranking small text units according to their
estimated relevance to a query. A usual practice is to consider the context a passage …

This paper presents an exploration of the usage of Heterogeneous Graph Attention
Networks, or HGATs, for the task of Passage Retrieval. More precisely, we study how these …

We present a novel contextualization approach for passage retrieval. The core principle is to
let any occurrence of a query term in a document affect the passage retrieval score, whether …

Research opens new possibilities, allowing exploration of the unknown and expansion of
knowledge. Learning something new can be fulfilling, especially for those who enjoy …

Focused retrieval retrieves and ranks sub-parts of documents according to their estimated
relevance to a query. Many approaches akin to Structured Document retrieval exploit …

Focused information retrieval is concerned with the retrieval of small units of information. In
this context, the structure of the documents as well as the proximity among query terms have …

This paper presents our participation in the Relevant in Context task (ad-hoc track) during
the 2010 INEX competition, and a posterior analysis. Two models presented in previous …

In the presence of growing data, the need for efficient query processing under result quality
and index size control becomes more and more a challenge to search engines. We show …