719 search results - page 5 / 144 » Normalizing Incomplete Databases |
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Incomplete databases, that is, databases that are missing data, are present in many research domains. It is important to derive techniques to access these databases efficiently. We...
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
We propose and evaluate two indexing schemes for improving the efficiency of data retrieval in high-dimensional databases that are incomplete. These schemes are novel in that the ...
BMCBI
2008
13 years 7 months ago
2008
Background: Despite significant improvements in computational annotation of genomes, sequences of abnormal, incomplete or incorrectly predicted genes and proteins remain abundant ...
LPNMR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...
ICDE
2007
IEEE
14 years 9 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...