ENCODING has been replaced by BIBTEX_INPUT_ENCODING and OUTPUT_ENCODING
@inproceedings{rv15, Author = {M.~de~Rougemont and G.~Vimont}, Booktitle = {2015 IEEE International Big Data Conference, MBD-SONET}, Date-Added = {2016-02-02 15:15:24 +0000}, Date-Modified = {2016-02-02 15:15:24 +0000}, Title = {The value of analytical queries on Social Networks}, Year = {2015}}