SANSA DataLake 0.1.2

This version brings the following features and changes:

• Project and filter of subject variables.
• Remove requiring the projection of the filtered object.
• Run queries with only one relevant data source.
• Add support for RDF data (NTriples).
• Add query-time transformations.
• Change the query execution timer to count the full execution time instead of only Spark execution time.
• Improve exception handling and logging messages.
• Change query results format, from show() method to foreach(println) method.

SANSA DataLake 0.1.1

Features

This release makes it possible to read the needed input files (query, mappings and config) from HDFS and S3 bucket.

Dependency Changes

• Apache Spark 2.4.3

SANSA DataLake 0.1.0

Features

• Spark
  • Query heterogeneous sources (Data Lake) using SPARQL.
    • Supported data sources: CSV, Parquet, MongoDB, Cassandra, JDBC.

Dependency Changes

• Apache Spark 2.4.0
• Apache Jena 3.9.0