Indexing Portuguese NLP Resources with PT-Pump-Up

no code implementations • 27 Jan 2024 • Rúben Almeida, Ricardo Campos, Alípio Jorge, Sérgio Nunes

Access to this data is commonly not a trivial process due to resource dispersion and the need to maintain these infrastructures online and up-to-date.

Management

Hypergraph-of-Entity: A General Model for Entity-Oriented Search

no code implementations • 1 Sep 2021 • José Devezas, Sérgio Nunes

The hypergraph-of-entity was conceptually proposed as a general model for entity-oriented search.

Entity Retrieval Information Retrieval +1

Fatigued PageRank

no code implementations • 12 Apr 2021 • José Devezas, Sérgio Nunes

We formalize and exemplify the computation of Fatigued PageRank, evaluating it as a node ranking metric, as well as query-independent evidence in ad hoc document retrieval.

Retrieval

Fatigued Random Walks in Hypergraphs: A Neuronal Analogy to Improve Retrieval Performance

no code implementations • 12 Apr 2021 • José Devezas, Sérgio Nunes

Moreover, by distinguishing between fatigue in nodes and hyperedges, we are able to find that, for hyperedge ranking tasks, we consistently obtained lower MAP scores when increasing fatigue for nodes.

Retrieval

ECIR 2020 Workshops: Assessing the Impact of Going Online

no code implementations • 14 May 2020 • Sérgio Nunes, Suzanne Little, Sumit Bhatia, Ludovico Boratto, Guillaume Cabanac, Ricardo Campos, Francisco M. Couto, Stefano Faralli, Ingo Frommholz, Adam Jatowt, Alípio Jorge, Mirko Marras, Philipp Mayr, Giovanni Stilo

In this report, we describe the experience of organizing the ECIR 2020 Workshops in this scenario from two perspectives: the workshop organizers and the workshop participants.