610 search results - page 112 / 122 » Efficient Query Evaluation on Probabilistic Databases |
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
As XML has developed over the past few years, its role has expanded beyond its original domain as a semantics-preserving markup language for online documents, and it is now also t...
IDEAS
2007
IEEE
15 years 4 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
KDD
2004
ACM
15 years 10 months ago
2004
ACM
Automatically segmenting unstructured text strings into structured records is necessary for importing the information contained in legacy sources and text collections into a data ...
PODS
1999
ACM
15 years 2 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
WEBDB
2009
Springer
15 years 4 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...