morph-LDP: An R2RML-Based Linked Data Platform Implementation

Abstract

Abstract. The W3C Linked Data Platform (LDP) candidate recommendation defines a standard HTTP-based protocol for read/write Linked Data. The W3C R2RML recommendation defines a language to map relational databases (RDBs) and RDF. This paper presents morph-LDP, a novel system that combines these two W3C standardization initiatives to expose relational data as read/write Linked Data for LDP-aware applications, whilst allowing legacy applications to continue using their relational databases.

A Distributed Transaction Model for Read-Write Linked Data Applications

“…Linked Data 1 -based application integration is getting traction as a novel approach for integrating data-intensive applications because of the benefits of Linked Data and Semantic Web technologies. Some advantages of this approach over existing approaches include: (a) global identifiers for data that can be accessed using the Web infrastructure and typed links between data from different applications; (b) the graph-based RDF data model that allows consuming and merging data from different sources without having to do complex structural transformations; and (c) explicit semantics of data expressed in RDF Schema or OWL ontologies which can be aligned and mapped to data models of other applications using techniques such as ontology matching [1]. In this context, W3C Linked Data Platform 2 (LDP) provides a standard RESTful protocol for read-write Linked Data ensuring interoperability.…”

Knowledge-Graph-Based Semantic Labeling of Tabular Data

“…). Such mappings can be used to expose the tabular data source as a virtual (or materialized) knowledge graph that can be easily queried and automatically integrated with other datasets [60,48,16]. Now we can answer questions that we may not have been able to answer before.…”