8763 search results - page 178 / 1753 » Querying Database Knowledge |
134
click to vote
AAAI
2007
15 years 6 months ago
2007
The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
267
click to vote
ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
178
click to vote
SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
236
click to vote
ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
158
click to vote
DASFAA
2005
IEEE
15 years 10 months ago
2005
IEEE
Abstract. In this paper, we present a FASST mining approach to extract the frequently changing semantic structures (FASSTs), which are a subset of semantic substructures that chang...