368 search results - page 67 / 74 » Efficient exploitation of similar subexpressions for query p... |
VLDB
2003
ACM
14 years 8 months ago
2003
ACM
On the Semantic Web, data will inevitably come from many different ontologies, and information processing across ontologies is not possible without knowing the semantic mappings be...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
We describe the design and implementation of a new data layout scheme, called multi-dimensional clustering, in DB2 Universal Database Version 8. Many applications, e.g., OLAP and ...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Entity Resolution (ER) is the problem of identifying which records in a database refer to the same real-world entity. An exhaustive ER process involves computing the similarities b...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
A significant amount of information is stored in computer systems today, but people are struggling to manage their documents such that the information is easily found. XML is a de...