VLDB
2001
ACM
14 years 3 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
SIGMOD
2010
ACM
14 years 4 months ago
2010
ACM
Field-programmable gate arrays (FPGAs) are a promising technology that can be used in database systems. In this demonstration we show Glacier, a library and a compiler that can be...
BTW
2005
Springer
14 years 5 months ago
2005
Springer
: Access control is an important aspect in guaranteeing data privacy within XML data sources which are accessed by users with different access rights. The goal of predicative acces...
VLDB
2001
ACM
14 years 11 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
ICDE
2009
IEEE
15 years 1 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...