54 search results - page 5 / 11 » Vague Rough Set Techniques for Uncertainty Processing in Rel... |
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— One of the most prominent data quality problems is the existence of duplicate records. Current data cleaning systems usually produce one clean instance (repair) of the input da...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
EDBT
2010
ACM
13 years 10 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...