Marcin Adamski Michal Kulczewski Krzysztof Kurowski Jarek Nabrzyski Alastair C. Hume Security and performance enhancements to OGSA-DAI for Grid data virtualization. 2171-2182 2007 19 Concurrency and Computation: Practice and Experience 16 http://dx.doi.org/10.1002/cpe.1165 db/journals/concurrency/concurrency19.html#AdamskiKKNH07