Search Results for author: Gabriel Amaral

Found 7 papers, 1 papers with code

OEKG: The Open Event Knowledge Graph

no code implementations28 Feb 2023 Simon Gottschalk, Endri Kacupaj, Sara Abdollahi, Diego Alves, Gabriel Amaral, Elisavet Koutsiana, Tin Kuculo, Daniela Major, Caio Mello, Gullal S. Cheema, Abdul Sittar, Swati, Golsa Tahmasebzadeh, Gaurish Thakkar

Accessing and understanding contemporary and historical events of global impact such as the US elections and the Olympic Games is a major prerequisite for cross-lingual event analytics that investigate event causes, perception and consequences across country borders.

Image Retrieval Knowledge Graphs +5

ProVe: A Pipeline for Automated Provenance Verification of Knowledge Graphs against Textual Sources

no code implementations26 Oct 2022 Gabriel Amaral, Odinaldo Rodrigues, Elena Simperl

Knowledge Graphs are repositories of information that gather data from a multitude of domains and sources in the form of semantic triples, serving as a source of structured data for various crucial applications in the modern web landscape, from Wikipedia infoboxes to search engines.

Binary Classification Claim Verification +2

Statistical and Neural Methods for Cross-lingual Entity Label Mapping in Knowledge Graphs

no code implementations17 Jun 2022 Gabriel Amaral, Mārcis Pinnis, Inguna Skadiņa, Odinaldo Rodrigues, Elena Simperl

However, such labels are not guaranteed to match across languages from an information consistency standpoint, greatly compromising their usefulness for fields such as machine translation.

Knowledge Graphs Machine Translation +3

WDV: A Broad Data Verbalisation Dataset Built from Wikidata

1 code implementation5 May 2022 Gabriel Amaral, Odinaldo Rodrigues, Elena Simperl

Data verbalisation is a task of great importance in the current field of natural language processing, as there is great benefit in the transformation of our abundant structured and semi-structured data into human-readable formats.

Assessing the quality of sources in Wikidata across languages: a hybrid approach

no code implementations20 Sep 2021 Gabriel Amaral, Alessandro Piscopo, Lucie-Aimée Kaffee, Odinaldo Rodrigues, Elena Simperl

Wikidata is one of the most important sources of structured data on the web, built by a worldwide community of volunteers.

Descriptive

UNER: Universal Named-Entity RecognitionFramework

no code implementations23 Oct 2020 Diego Alves, Tin Kuculo, Gabriel Amaral, Gaurish Thakkar, Marko Tadic

We introduce the Universal Named-Entity Recognition (UNER)framework, a 4-level classification hierarchy, and the methodology that isbeing adopted to create the first multilingual UNER corpus: the SETimesparallel corpus annotated for named-entities.

Knowledge Graphs named-entity-recognition +2

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