750 search results - page 137 / 150 » Aggregates in Possibilistic Databases |
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related anal...
KDD
2007
ACM
14 years 10 months ago
2007
ACM
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Low-latency and high-throughput processing are key requirements of data stream management systems (DSMSs). Hence, multi-core processors that provide high aggregate processing capa...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...