From: Integrating multiple data sources for learning analytics—review of literature
Data storage technology
Publication
Relational database
Lopez Guarin et al. (2015), Sandoval et al. (2018)
Text file
Thompson et al. (2014)
Comma separated values file
Pardos and Kao (2015)
Learning record store
Di Mitri et al. (2017), Mangaroska et al. (2019)
Data warehouse
Villano et al. (2018)
