Sciweavers

54 search results - page 8 / 11
» Data cleaning in microsoft SQL server 2005
Sort
View
VLDB
2007
ACM
104views Database» more  VLDB 2007»
14 years 7 months ago
Unifying Data and Domain Knowledge Using Virtual Views
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...
Lipyeow Lim, Haixun Wang, Min Wang
QSIC
2005
IEEE
14 years 1 months ago
Fault-Based Testing of Database Application Programs with Conceptual Data Model
Database application programs typically contain program units that use SQL statements to manipulate records in database instances. Testing the correctness of data manipulation by ...
W. K. Chan, S. C. Cheung, T. H. Tse
VLDB
2005
ACM
141views Database» more  VLDB 2005»
14 years 1 months ago
Automatic Data Fusion with HumMer
Heterogeneous and dirty data is abundant. It is stored under different, often opaque schemata, it represents identical real-world objects multiple times, causing duplicates, and ...
Alexander Bilke, Jens Bleiholder, Christoph Bö...
VLDB
2000
ACM
166views Database» more  VLDB 2000»
13 years 11 months ago
Oracle8i Index-Organized Table and Its Application to New Domains
Primary B+ -tree, a variant of B+ -tree structure with row data in leaf blocks, is an ideal storage organization for queries involving exact match and/or range search on primary k...
Jagannathan Srinivasan, Souripriya Das, Chuck Frei...
SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
14 years 7 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...