Search Results for author: Rafael S. Gonçalves

Found 5 papers, 0 papers with code

Use of OWL and Semantic Web Technologies at Pinterest

no code implementations3 Jul 2019 Rafael S. Gonçalves, Matthew Horridge, Rui Li, Yu Liu, Mark A. Musen, Csongor I. Nyulas, Evelyn Obamos, Dhananjay Shrouty, David Temple

In this paper, we present the engineering of an OWL ontology---the Pinterest Taxonomy---that forms the core of Pinterest's knowledge graph, the Pinterest Taste Graph.

Aligning Biomedical Metadata with Ontologies Using Clustering and Embeddings

no code implementations19 Mar 2019 Rafael S. Gonçalves, Maulik R. Kamdar, Mark A. Musen

The metadata about scientific experiments published in online repositories have been shown to suffer from a high degree of representational heterogeneity---there are often many ways to represent the same type of information, such as a geographical location via its latitude and longitude.

Clustering

WebProtégé: A Cloud-Based Ontology Editor

no code implementations21 Feb 2019 Matthew Horridge, Rafael S. Gonçalves, Csongor I. Nyulas, Tania Tudorache, Mark A. Musen

We present WebProt\'eg\'e, a tool to develop ontologies represented in the Web Ontology Language (OWL).

The variable quality of metadata about biological samples used in biomedical experiments

no code implementations17 Aug 2018 Rafael S. Gonçalves, Mark A. Musen

By clustering metadata field names, we discovered there are often many distinct ways to represent the same aspect of a sample.

Clustering

Metadata in the BioSample Online Repository are Impaired by Numerous Anomalies

no code implementations3 Aug 2017 Rafael S. Gonçalves, Martin J. O'Connor, Marcos Martínez-Romero, John Graybeal, Mark A. Musen

Only 9 out of 452 BioSample-specified fields ordinarily require ontology terms as values, and the quality of these controlled fields is better than that of uncontrolled ones, as even simple binary or numeric fields are often populated with inadequate values of different data types (e. g., only 27% of Boolean values are valid).

Databases

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