Sempala is a SPARQL-over-SQL approach to provide interactive-time SPARQL query processing on Hadoop. It stores RDF data in a columnar layout (Parquet) on HDFS and uses either Impala or Spark as the execution layer on top of it. SPARQL queries are translated into Impala/Spark SQL for execution.
☆12Sep 4, 2017Updated 8 years ago
Alternatives and similar repositories for Sempala
Users that are interested in Sempala are comparing it to the libraries listed below
Sorting:
- S2RDF (SPARQL on Spark for RDF) is a SPARQL query processor for Hadoop based on Spark SQL. It uses the relational interface of Spark for …☆13Apr 21, 2018Updated 7 years ago
- S2X (SPARQL on Spark with GraphX) is a SPARQL query processor for Hadoop based on Spark GraphX. It combines graph-parallel abstraction of…☆15Jun 12, 2018Updated 7 years ago
- A systematic Benchmarking on the performance of Spark-SQL for processing Vast RDF datasets☆14Jun 29, 2022Updated 3 years ago
- RDF storage and SPARQL processing on top of Apache Spark.☆20Oct 5, 2022Updated 3 years ago
- Implementation of the G-CORE graph query language on Spark☆15Aug 25, 2021Updated 4 years ago
- EyeClient is a browser widget for the EYE reasoner.☆13Oct 13, 2017Updated 8 years ago
- Two simple cheatsheets about graphs in SPARQL☆15May 29, 2020Updated 5 years ago
- A Distributed RDF Data Management System for Processing SPARQL Queries Over Distributed RDF Graphs☆14Dec 8, 2022Updated 3 years ago
- Efficient Distributed Evaluation of SPARQL with Apache Spark☆33Aug 19, 2021Updated 4 years ago
- Owlery is a set of REST web services which allow querying of an OWL reasoner containing a configured set of ontologies.☆17Aug 13, 2024Updated last year
- Uduvudu☆17Mar 2, 2020Updated 6 years ago
- ☆17Mar 20, 2018Updated 7 years ago
- Java, Perl, Python, Javascript, Ruby, etc. examples to query alphasparql.bioontology.org☆34Apr 1, 2016Updated 9 years ago
- ☆19May 13, 2021Updated 4 years ago
- 📚 CORE ontology of ML-Schema and mapping to other machine learning vocabularies and ontologies (DMOP, Exposé, OntoDM, and MEX)☆29Dec 22, 2020Updated 5 years ago
- Implementation of the xR2RML mapping language and SPARQL-to-MongoDB prototype☆24Jul 2, 2025Updated 8 months ago
- Typescript overlay to easily interact with DynamoDB. Fluid syntax library offering pagination, auto-escape of reserved words and many mor…☆11Jul 15, 2024Updated last year
- Amazon Neptune CSV to RDF Converter is a tool for Amazon Neptune that converts property graphs stored as comma separated values into RDF …☆33Apr 11, 2023Updated 2 years ago
- A collection of tools and Java libraries to process RDF* data and SPARQL* queries.☆72Feb 22, 2022Updated 4 years ago
- ☆28Feb 4, 2026Updated 3 weeks ago
- Visual Studio Code SPARQL Notebook Extension☆35Feb 6, 2026Updated 3 weeks ago
- Visual tool for SPARQL queries on graphol graphs☆10Oct 3, 2018Updated 7 years ago
- CODO is an ontology for the semantic representation and annotation of COVID-19 data in a machine-readable form for tracking history of th…☆10Apr 19, 2022Updated 3 years ago
- Maintenance Information Extraction (MaintIE)☆16Jun 29, 2024Updated last year
- ☆12Updated this week
- a simple lakeFS webhook for pre-commit and pre-merge validation of data objects☆12Nov 9, 2023Updated 2 years ago
- A basic DNN tutorial in PyTorch, for persons without a background in Linux, Python, or remote servers☆10Apr 2, 2020Updated 5 years ago
- R, Python, Java: Scrapes and Handles Sports Data from the Web☆10Aug 4, 2016Updated 9 years ago
- Create controls to edit objects using reflection☆12Nov 7, 2025Updated 3 months ago
- A Reactive Sparql Client written in Scala and Akka☆13Sep 18, 2023Updated 2 years ago
- RDF Community Discussions. Ask anything here!☆13Apr 11, 2024Updated last year
- Elasticsearch plugin for Sentiment Analysis using Stanford CoreNLP☆11Oct 17, 2018Updated 7 years ago
- Autonomous Coding Agent with GUI using Claude Code - based on Anthropic Harness (https://www.anthropic.com/engineering/effective-harnesse…☆25Jan 7, 2026Updated last month
- SWI-Prolog 2-Way interface to Commmon Language Interface☆14Jan 21, 2017Updated 9 years ago
- Quickly run SchemaSpy on a database and serve the results☆10Mar 24, 2021Updated 4 years ago
- ☆11Feb 24, 2022Updated 4 years ago
- Spanish text summarization demo using CoreNLP☆10Sep 13, 2014Updated 11 years ago
- Simple Akka HTTP project implemented to describe how to build Microservices with Consumer Driven Contracts testing approach☆11Feb 15, 2018Updated 8 years ago
- ProTIP permet de caractériser la connectivité réelle entre composants d'une architecture PCI Express☆11Nov 9, 2023Updated 2 years ago