1. Rabinovich, E., Cheon, S.: Expanding horizons and deepening understanding via the use of secondary data sources. J. Bus. Logist. 32(4), 303–316 (2011)
2. Ellram, M.L., Tate, L.W.: The use of secondary data in purchasing and supply management research. J. Purch. Supply Manag. 22(4), 250–254 (2016)
3. Manyika, J., Chui, M., Groves, P., Farrell, D., Kuiken, S.V., Doshi, E.A.: Open data: Unlocking innovation and performance with liquid information, McKinsey Global Institute (2013)
4. Balazinska, M., Howe, B., Suciu, D.: Data markets in the cloud: an opportunity for the database community. VLDB Endowment 4(12), 1482–1485 (2011)
5. Stahl, F., Schomm, F., Vossen, G.: Data marketplaces: an emerging species. Frontiers in Artificial Intelligence and Applications, pp. 145–158 (2014)