A Context-Independent Ontological Linked Data Alignment Approach to Instance Matching

Abstract

Linking data by finding matching instances in different datasets requires considering many characteristics, such as structural heterogeneity, implicit knowledge, and uniform resource identifieroriented (URI-oriented) identification. The authors propose a context-independent approach to align linked data through an alignment process based on the ontological model's components and considering data's multidimensionality. The researchers experimented with the proposed approach against two methods for aligning linked data in two datasets and evaluated precision, recall, and f-measure metrics. The authors also conducted a case study in a real scenario considering a Brazilian publication dataset on computers and education. This study's results indicate that the proposed approach overcomes the other methods (regarding the precision, recall, and f-measure metrics), requiring less work when changing the dataset domain. This work's main contributions include enabling real datasets to be semi-automatically linked and presenting an approach capable of calculating resource similarity.