Data Aggregation, Heterogeneous Data Sources and Streaming Processing: How Can XQuery Help? - Marc Van Cappellen; Wouter Cordewiner; Carlo Innocenti (IEEE Data Eng. Bull., 2008)

XQJ: XQuery Java API is completed. - Marc Van Cappellen; Zhen Hua Liu; Jim Melton; Maxim Orgiyan (SIGMOD Rec., 2009)