145 search results - page 15 / 29 » Lineage processing over correlated probabilistic databases |
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
In the database community, work on information extraction (IE) has centered on two themes: how to effectively manage IE tasks, and how to manage the uncertainties that arise in th...
SSDBM
2008
IEEE
14 years 2 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
Traditionally, research in identifying structured entities in documents has proceeded independently of document categorization research. In this paper, we observe that these two t...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...