Efficient estimation of joint queries from multiple OLAP databases
Elaheh Pourabbas, Arie Shoshani
Forward node-selecting queries over trees
Dan Olteanu
Composition of mappings given by embedded dependencies
Alan Nash, Philip Bernstein, Sergey Melnik
Optimizing top-k queries for middleware access: a unified cost-based approach
Seung-won Hwang, Keving P.H. Chang
Mining constraint violations
Stefano Ceri, Francesco Giunta, Pier Luca Lanzi
Spatial join techniques
Edwin Jacox, Hanan Samet
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