Fragment-based approximate retrieval in highly heterogeneous XML collections.

Ismael Sanz Marco Mesiti Giovanna Guerrini Rafael Berlanga Llavori Fragment-based approximate retrieval in highly heterogeneous XML collections. 266-293 2008 64 Data Knowl. Eng. 1 http://dx.doi.org/10.1016/j.datak.2007.05.008 db/journals/dke/dke64.html#SanzMGB08