53 search results - page 10 / 11 » The Higher-Order Aggregate Update Problem |
JDM
2000
13 years 8 months ago
2000
Advanced Traveler Information Systems (ATIS) require e cient information retrieval and updating in a dynamic environment at di erent geographical scales. ATIS applications are use...
PERCOM
2009
ACM
14 years 3 months ago
2009
ACM
—This paper addresses the problem of providing congestion-management for a shared wireless sensor networkbased target tracking system. In many large-scale wireless sensor network...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
—Sampling is used as a universal method to reduce the running time of computations – the computation is performed on a much smaller sample and then the result is scaled to comp...
SIGMOD
1999
ACM
14 years 21 days ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Monitoring is an issue of primary concern in current and next generation networked systems. For example, the objective of sensor networks is to monitor their surroundings for a va...