11160 search results - page 18 / 2232 » Incompleteness in a General Setting |
CORR
2011
Springer
13 years 2 months ago
2011
Springer
We investigate the recovery of signals exhibiting a sparse representation in a general (i.e., possibly redundant or incomplete) dictionary that are corrupted by additive noise adm...
DEXAW
2006
IEEE
14 years 1 months ago
2006
IEEE
We study inference rules for multivalued dependencies in relational databases with null values (NMVDs). The definition of NMVDs is dependent on the underlying relation schema and ...
EWCBR
2004
Springer
2004
Springer
Facilitating CBR for Incompletely-Described Cases: Distance Metrics for Partial Problem Descriptions
14 years 24 days ago
A fundamental problem for case-based reasoning systems is how to select relevant prior cases. Numerous strategies have been developed for determining the similarity of prior cases,...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...