1000 search results - page 113 / 200 » Provenance for Aggregate Queries |
TRECVID
2007
13 years 11 months ago
2007
The INESC Porto group has participated in the search task (automatic and interactive). Our approach combines high-level features (the 39 concepts of the LSCOM-Lite set) with low-l...
BTW
2011
Springer
13 years 1 months ago
2011
Springer
Abstract: The rise of the Web 2.0 has made content publishing easier than ever. Yesterday’s passive consumers are now active users who generate and contribute new data to the web...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
We present the first complete translation of XPath into an algebra, paving the way for a comprehensive, state-of-theart XPath (and later on, XQuery) compiler based on algebraic op...
APPROX
2009
Springer
14 years 4 months ago
2009
Springer
Referring to the query complexity of property testing, we prove the existence of a rich hierarchy of corresponding complexity classes. That is, for any relevant function q, we prov...