1. User requirement analysis in data warehouse design: A review;Abai,2013
2. Generating data warehouse schema;Ahmedl;International Journal in Foundations of Computer Science and Technology,2014
3. Apache Software Foundation. (2018, August). Apache Jena. .
4. Spark SQL: Relational data processing in Spark;Armbrust,2015
5. Innovative approaches for efficiently warehousing complex data from the web;Bentayeb,2013