Search Results for author: Alishiba Dsouza

Found 3 papers, 1 papers with code

Creating Knowledge Graphs for Geographic Data on the Web

1 code implementation17 Feb 2023 Elena Demidova, Alishiba Dsouza, Simon Gottschalk, Nicolas Tempelmeier, Ran Yu

Geographic data plays an essential role in various Web, Semantic Web and machine learning applications.

Knowledge Graphs

WorldKG: A World-Scale Geographic Knowledge Graph

no code implementations21 Sep 2021 Alishiba Dsouza, Nicolas Tempelmeier, Ran Yu, Simon Gottschalk, Elena Demidova

We describe the WorldKG knowledge graph, including its ontology that builds the semantic dataset backbone, the extraction procedure of the ontology and geographic entities from OpenStreetMap, and the methods to enhance entity annotation.

Towards Neural Schema Alignment for OpenStreetMap and Knowledge Graphs

no code implementations28 Jul 2021 Alishiba Dsouza, Nicolas Tempelmeier, Elena Demidova

Our experiments performed to align OSM datasets for several countries with two of the most prominent openly available knowledge graphs, namely, Wikidata and DBpedia, demonstrate that the proposed approach outperforms the state-of-the-art schema alignment baselines by up to 53 percentage points in terms of F1-score.

Knowledge Graphs TAG

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