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Awesome KGC Tools

Links and description of Knowledge Graphs Construction Tools

KGC Materializers

  • Chimera - Framework based on Apache Camel to define composable semantic data transformation pipelines (lifting/lowering to/from RDF)
  • RMLMapper - The RMLMapper executes RML rules to generate high quality Linked Data from multiple originally (semi-)structured data sources
  • RMLStreamer - The RMLStreamer executes RML rules to generate high quality Linked Data from multiple originally (semi-)structured data sources in a streaming way.

KGC Virtualizers

KGC Pre-processors

  • MEL - (Metadata Extractor & Loader) - A tool to extract metadata (and textual content) from various file formats, as JSON objects.

NLP for KGC

  • TNNT - (The NLP/NER Toolkit) - A tool that automates the extraction of categorised named entities from the unstructured information encoded in the source documents, using diverse NLP tools and NER models.

Mapping specifications

  • RML - The RDF Mapping language (RML) is a mapping language defined to express customized mapping rules from heterogeneous data structures and serializations to the RDF data model.
  • Target in RML - Alignment between RML and Target to describe how your knowledge graph should be exported to one or multiple targets.
  • DataIO - Target, a formal model and a common representation for specifying how a Knowledge Graph should be exported to a given target
  • FnO - Function Ontology (FnO), a way to semantically declare and describe implementation-independent functions, and their relations to related concepts such as parameters, outputs, related problems, algorithms, mappings to concrete implementations, and executions.
  • YARRRML - YARRRML is a human readable text-based representation for declarative generation rules.
  • J2RM - J2RM mappings and its engine compose a tool to process mappings from JSON data to RDF triples guided by an OWL2 ontology structure.

Mapping Editors

  • Mapeathor - Definition of Excel-based mappings and translation to [R2]RML mappings
  • Matey - Matey is a web based editor for YARRRML rules.
  • RMLEditor - RMLEditor offers a Graphical User Interface to enable data publishers, who are domain experts, to model knowledge derived from heterogeneous distributed data.

KGC Pipelines

  • KGCP - "KG Construction Pipeline" - A suite of software artifacts to automate the creation of KGs from heterogeneous data sources.