1. AstraZeneca, Co. (2019). AstraZeneca: Early Hypotheses Testing Through Linked Data. Retrieved Jun 6, 2019, from https://www.ontotext.com/knowledgehub/case-studies/causalitymining-pharma/;
2. Babu, G. P., & Mehtre, B. M. (1995). Color indexing for efficient image retrieval. Multimedia Tools and applications, 1(4), 327-348.;
3. Cheng, G., Healey, M. J., McHugh, J. A. M., & Wang, J. T. L. (2001). Mining the World Wide Web -An Information Search Approach. Dordrecht, The Netherlands: Kluwer Acaddemic Publishers.;
4. Dudovskiy, J. (2017). IKEA Segmentation, Targeting and Positioning: Targeting Cost-Conscious Customers. Retrieved Jun 6, 2019, from https://research-methodology.net/ ikea-segmentation-targeting-positioning-targeting-costconscious-customers/;
5. Egghe, L., & Rousseau, R. (1990). Introduction to Informetrics: quantitative methods in library, documentation and information science. Amsterdam, The Netherlands: Elsevier Science Publishers.;