Johanna Wenny Rahayu is currently an associate professor at the department of computer science and computer engineering La Trobe University, Australia. Her major research is in the area of object-relational databases, web databases and semantic web. She has published more than 70 papers appeared in international journals and conference proceedings. She has edited three books, which form a series in web applications, covering web databases, web information systems and web semantics. Currently, she is involved in a number of large projects in software development in collaboration with several industry partners in Australia.