awesome-kgc-tools

Morph-KGC

R2RML, RML and RML-star processor to generate RDF and RDF-star knowledge graphs from heterogeneous data sources at scale

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

xls2rdf

converts Excel files containing a "magic line" into RDF

Morph-xR2RML

Implementation of the xR2RML mapping language (extending R2RML and reusing RML terms) for MongoDB databases. Can be used to map JSON data but also any format that can be imported in MongoDB, in particular CSV/TSV. Was used in different projects to produce 2.4 billion triples so far

SDM-RDFizer

An efficient scaled-up RML-compliant engine for knowledge graph construction from heterogeneous data sources

CARML

An extensible RML processor to generate RDF knowledge graphs from heterogeneous data sources

R2RML-F

An R2RML processor with support for functions in JavaScript. Allows one to transform the contents of CSV files as virtual relational tables

RocketRML

RML processor to generate RDF knowledge graphs from heterogeneous data sources, implemented in JavaScript

PyRML

Python-based engine for processing RML files

FlexRML

A Memory-Efficient Interpreter for RML written in C++

SPARQL Anything

SPARQL Anything is a tool for querying anything with SPARQL

A framework based on plugins for generate and manipulate RDF knowledge graphs with RML or a custom mapping language based on

Ontop

Ontop is a platform to query relational databases as Virtual RDF Graphs using SPARQL (R2RML)

( ) - A tool to extract metadata (and textual content) from various file formats, as JSON objects

Dragoman

An efficient RML+FnO-compliant engine for translating and executing complex functions in RML mapping rules and transfer the data integration system into a function-free one

EABlock

A computational block to solve entity alignment over textual attributes in a knowledge graph creation pipeline

FunMap

Efficient preprocessing of transformation rules described in RML+FnO mappings

RMLMapper extension to support Excel spreadsheets

( ) - 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

Modular redesign of the RML mapping language including support for collections and containers, input/output, rdf-star, and functions

YARRRML is a human-readable text-based representation for declarative generation rules

J2RM mappings and its engine compose a tool to process mappings from JSON data to RDF triples guided by an OWL2 ontology structure

The documentation for the "magic line" of the xls2rdf converter

xR2RML is a language for expressing customized mappings from various types of databases (XML, object-oriented, NoSQL) to RDF datasets

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

Alignment between RML and Target to describe how your knowledge graph should be exported to one or multiple targets

Target, a formal model and a common representation for specifying how a Knowledge Graph should be exported to a given target

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

Jigsaw Puzzles for Representing Mappings

Definition of Excel-based mappings and translation to [R2]RML mappings

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

A web based editor for RML rules

SPARQL Queries and R2RML mappings Environment

Map-On

A web-based editor for visual ontology mapping for R2RML documents (DEPRECATED)

A web-based editor for visually creating R2RML mappings in order to create RDF from databases, spreadsheets, delimited text files, XML, JSON, KML and Web APIs according to an ontology of the user's choice

A web-base playground to edit and use RML mappings and custom Freemarker-based mappings

YARRRML-parser

JavaScript engine that translates from YARRRML/RML/R2RML to YARRRML/RML/R2RML

YATTER

Python engine, translating from YARRRML/RML/R2RML to YARRRML/RML/R2RML with support for RML-star and easy-to-read outputs

From Excel-based mappings to [R2]RML mappings

Suggests RML mappings on messy spreadsheets

OWL2YARRRML

Generates a mapping template in YARRRML given an ontology

" " - A suite of software artifacts to automate the creation of KGs from heterogeneous data sources

An API and Web application for extracting subgraphs of interest from Wikidata based on user-input seed entities, to bootstrap a new KG

KROWN

A Benchmark for RDF Graph Materialization

Excel spreadsheet generator for evaluating KG construction

GTFS-Madrid-Bench

Benchmark to evaluate performance & scalability of declarative KG construction engines

Dataset to test simple and complex mapping operations in RML

LUBM4OBDA

OBDA benchmark for inference and meta knowledge evaluation