2853 search results - page 61 / 571 » On the Efficiency of Provenance Queries |
ICDCS
2009
IEEE
14 years 7 months ago
2009
IEEE
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
Rank-aware query processing has become essential for many applications that return to the user only the top-k objects based on the individual user's preferences. Top-k queries...
XSYM
2007
Springer
15 years 3 months ago
2007
Springer
To globally optimize execution plans for XQuery expressions, a plan generator must generate and compare plan alternatives. In proven compiler architectures, the unit of plan genera...
VLDB
2001
ACM
15 years 2 months ago
2001
ACM
imizer Communication using Abstract Plans in Sybase ASE Query optimizers are error prone, due to both their nature and the increased search space that modern query processing requ...
STOC
2000
ACM
15 years 2 months ago
2000
ACM
We propose a new method for proving lower bounds on quantum query algorithms. Instead of a classical adversary that runs the algorithm with one input and then modifies the input,...