22 search results - page 2 / 5 » ECC: Do We Need to Count |
EDBT
2009
ACM
13 years 9 months ago
2009
ACM
We propose efficient techniques for processing various TopK count queries on data with noisy duplicates. Our method differs from existing work on duplicate elimination in two sign...
LICS
2005
IEEE
13 years 11 months ago
2005
IEEE
We consider unranked trees, that have become an active subject of study recently due to XML applications, and characterize commonly used fragments of firstorder (FO) and monadic ...
IS
2008
13 years 5 months ago
2008
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...
DBPL
2005
Springer
13 years 7 months ago
2005
Springer
XQuery is known to be a powerful XML query language with many bells and whistles. For many common queries we do not need all the expressive power of XQuery. We investigate the eff...
EMSOFT
2004
Springer
13 years 11 months ago
2004
Springer
Energy efficiency is rapidly becoming a first class optimization parameter for modern systems. Caches are critical to the overall performance and thus, modern processors (both hig...