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Related papers: Towards a Brazilian History Knowledge Graph

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Wikipedia is an important free source of intelligible knowledge. Despite that, Brazilian Portuguese Wikipedia still lacks descriptions for many subjects. In an effort to expand the Brazilian Wikipedia, we contribute PLSum, a framework for…

Computation and Language · Computer Science 2022-01-27 André Seidel Oliveira , Anna Helena Reali Costa

The DBpedia project extracts structured information from Wikipedia and makes it available on the web. Information is gathered mainly with the help of infoboxes that contain structured information of the Wikipedia article. A lot of…

Information Retrieval · Computer Science 2012-05-21 Daniel Hienert , Francesco Luciano

Along the history, many researchers provided remarkable contributions to science, not only advancing knowledge but also in terms of mentoring new scientists. Currently, identifying and studying the formation of researchers over the years is…

Digital Libraries · Computer Science 2017-12-29 Wellington Dores , Elias Soares , Fabrício Benevenuto , Alberto H. F. Laender

Knowledge graphs represent concepts (e.g., people, places, events) and their semantic relationships. As a data structure, they underpin a digital information system, support users in resource discovery and retrieval, and are useful for…

Digital Libraries · Computer Science 2018-09-13 Bernhard Haslhofer , Antoine Isaac , Rainer Simon

Public knowledge graphs such as DBpedia and Wikidata have been recognized as interesting sources of background knowledge to build content-based recommender systems. They can be used to add information about the items to be recommended and…

Information Retrieval · Computer Science 2021-05-04 Michael Matthias Voit , Heiko Paulheim

Wikidata is the largest collaborative general knowledge graph supported by a worldwide community. It includes many helpful topics for knowledge exploration and data science applications. However, due to the enormous size of Wikidata, it is…

Databases · Computer Science 2022-11-11 Phuc Nguyen , Hideaki Takeda

Research on notable accomplishments and important events in the life of people of public interest usually requires close reading of long encyclopedic or biographical sources, which is a tedious and time-consuming task. Whereas semantic…

Artificial Intelligence · Computer Science 2020-12-14 Simon Gottschalk , Elena Demidova

We present a new dataset of Wikipedia articles each paired with a knowledge graph, to facilitate the research in conditional text generation, graph generation and graph representation learning. Existing graph-text paired datasets typically…

Computation and Language · Computer Science 2021-07-21 Luyu Wang , Yujia Li , Ozlem Aslan , Oriol Vinyals

Knowledge Graphs are an emerging form of knowledge representation. While Google coined the term Knowledge Graph first and promoted it as a means to improve their search results, they are used in many applications today. In a knowledge…

Artificial Intelligence · Computer Science 2020-03-13 Nicolas Heist , Sven Hertling , Daniel Ringler , Heiko Paulheim

Encyclopedic knowledge graphs, such as Wikidata, host an extensive repository of millions of knowledge statements. However, domain-specific knowledge from fields such as history, physics, or medicine is significantly underrepresented in…

Computation and Language · Computer Science 2024-01-17 Marcel Gohsen , Benno Stein

Despite Portuguese being one of the most spoken languages in the world, there is a lack of high-quality information retrieval datasets in that language. We present Quati, a dataset specifically designed for the Brazilian Portuguese…

Information Retrieval · Computer Science 2024-04-11 Mirelle Bueno , Eduardo Seiti de Oliveira , Rodrigo Nogueira , Roberto A. Lotufo , Jayr Alencar Pereira

Developing new ideas and algorithms in the fields of graph processing and relational learning requires public datasets. While Wikidata is the largest open source knowledge graph, involving more than fifty million entities, it is larger than…

Machine Learning · Computer Science 2019-10-07 Armand Boschin , Thomas Bonald

In this paper we provide a comprehensive introduction to knowledge graphs, which have recently garnered significant attention from both industry and academia in scenarios that require exploiting diverse, dynamic, large-scale collections of…

Large knowledge graphs like DBpedia and YAGO are always based on the same source, i.e., Wikipedia. But there are more wikis that contain information about long-tail entities such as wiki hosting platforms like Fandom. In this paper, we…

Information Retrieval · Computer Science 2022-10-07 Sven Hertling , Heiko Paulheim

Wikipedia is one of the most visited websites in the world and is also a frequent subject of scientific research. However, the analytical possibilities of Wikipedia information have not yet been analyzed considering at the same time both a…

Digital Libraries · Computer Science 2022-11-18 Wenceslao Arroyo-Machado , Daniel Torres-Salinas , Rodrigo Costas

While Wikipedia exists in 287 languages, its content is unevenly distributed among them. In this work, we investigate the generation of open domain Wikipedia summaries in underserved languages using structured data from Wikidata. To this…

Computation and Language · Computer Science 2018-05-01 Lucie-Aimée Kaffee , Hady Elsahar , Pavlos Vougiouklis , Christophe Gravier , Frédérique Laforest , Jonathon Hare , Elena Simperl

When it comes to factual knowledge about a wide range of domains, Wikipedia is often the prime source of information on the web. DBpedia and YAGO, as large cross-domain knowledge graphs, encode a subset of that knowledge by creating an…

Information Retrieval · Computer Science 2020-04-02 Nicolas Heist , Heiko Paulheim

It is arguable whether history is made by great men and women or vice versa, but undoubtably social connections shape history. Analysing Wikipedia, a global collective memory place, we aim to understand how social links are recorded across…

Social and Information Networks · Computer Science 2012-07-05 Pablo Aragón , Andreas Kaltenbrunner , David Laniado , Yana Volkovich

Identifying and studying the formation of researchers over the years is a challenging task, as the current repositories of theses and dissertations are cataloged in a decentralized manner in different digital libraries, many of them with…

Digital Libraries · Computer Science 2021-08-12 João M. M. C. Cota , Alberto H. F. Laender , Raquel O. Prates

Modern large-scale knowledge graphs, such as DBpedia, are datasets which require large computational resources to serve and process. Moreover, they often have longer release cycles, which leads to outdated information in those graphs. In…

Information Retrieval · Computer Science 2021-07-05 Malte Brockmeier , Yawen Liu , Sunita Pateer , Sven Hertling , Heiko Paulheim
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