Abstract. The real world we live in is mostly perceived through an incredibly large collection of views generated by humans, machines, and other systems. This is the view reality. ...
Nick Roussopoulos, Yannis Kotidis, Alexandros Labr...
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...