Abstract
AbstractIn order to deal with imprecise and uncertain information in many real-world applications, fuzzy RDF has been extensively investigated as introduced in Chap. 3. However, RDF brings some limitations, e.g., it may be difficult to store various data in a semantics way because of the semi-structured characteristic of RDF. As we have known, fuzzy databases such as fuzzy relational databases and fuzzy object-oriented databases can store a large set of semantic information. Therefore, there is an increasing need to reengineer fuzzy RDF into fuzzy database models, which may satisfy the needs of storing fuzzy RDF data in fuzzy databases. In this chapter, we focus on reengineering fuzzy RDF into fuzzy database models, including fuzzy relational database models, fuzzy object-oriented database models, and HBase database. Moreover, RDF has a graph structure and uses the existing graph database to support the storage and query of RDF data. Therefore, we also introduce the uncertain RDF graph data storage method based on Ne4j graph data in this chapter.
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