525 search results - page 46 / 105 » On Query Algebras for Probabilistic Databases |
220
Voted
SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
138
Voted
SCCC
1997
IEEE
15 years 7 months ago
1997
IEEE
A cooperative database allows the user to specify approximate or vague query conditions. A vague query requires the database system to rank the retrieved answers according to thei...
121
Voted
SSDBM
2006
IEEE
15 years 9 months ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...
208
Voted
ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...
129
Voted
DEXAW
2007
IEEE
15 years 10 months ago
2007
IEEE
Data integration approaches mostly attempt to resolve semantic uncertainty and conflicts between data sources during the data integration process. In some application areas, this...