Search Results for author: Rita T. Sousa

Found 5 papers, 4 papers with code

Biomedical Knowledge Graph Embeddings with Negative Statements

1 code implementation7 Aug 2023 Rita T. Sousa, Sara Silva, Heiko Paulheim, Catia Pesquita

Explicitly considering negative statements has been shown to improve performance on tasks such as entity summarization and question answering or domain-specific tasks such as protein function prediction.

Knowledge Graph Embedding Knowledge Graph Embeddings +4

Benchmark datasets for biomedical knowledge graphs with negative statements

no code implementations21 Jul 2023 Rita T. Sousa, Sara Silva, Catia Pesquita

We also generate knowledge graph embeddings for each dataset with two popular path-based methods and evaluate the performance in each task.

Disease Prediction Knowledge Graph Embeddings +1

Explainable Representations for Relation Prediction in Knowledge Graphs

1 code implementation22 Jun 2023 Rita T. Sousa, Sara Silva, Catia Pesquita

We propose SEEK, a novel approach for explainable representations to support relation prediction in knowledge graphs.

Knowledge Graph Embeddings Knowledge Graphs +1

Predicting Gene-Disease Associations with Knowledge Graph Embeddings over Multiple Ontologies

1 code implementation11 May 2021 Susana Nunes, Rita T. Sousa, Catia Pesquita

We investigate the impact of employing richer semantic representations that are based on more than one ontology, able to represent both genes and diseases and consider multiple kinds of relations within the ontologies.

Knowledge Graph Embeddings Semantic Similarity +1

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