1. Agrawal R, Kiernan J (2002) Watermarking relational databases. In: Proceeding of the 28th VLDB conference, Hong Kong, China, pp 155–166
2. Allison DCS, Noga MT (1981) On the computation of minimnum encasing rectangles and set diameter. Technical report CS81017-R, Computer Science, Virginia Tech
3. Bazin C, Le Bars JM, Madelaine J (2007) A blind, fast and robust method for geographical data watermarking. In: ACM symposium on information, computer and communications security (ASIACCS’07), pp 265–272
4. Collberg CS, Thomborson C (2002) Watermarking, tamper-proofing, and obfuscation—tools for software protection. IEEE Trans Softw Eng 28:735–746
5. Cox J, Miller M, Bloom J (2001) Digital watermarking: principles and practice. Morgan Kaufmann, San Mateo, CA