Dr. Anak Agung Istri Ngurah Eka Karyawati, S.Si., M.Eng. She received her S1 degree in Mathematics from Bogor Agricultural University, Indonesia, MEng. in Information Science and Systems Engineering from Ritsumeikan University, Japan, and Dr. in Doctoral Program of Computer Sciences, Gadjah Mada University, Indonesia. Now, she is a lecturer and researcher at Informatics Study Program of Udayana University. Her research interests are in machine learning, text mining, natural language processing, information retrieval, and knowledge representation.