604 search results - page 55 / 121 » Aggregate Computation over Data Streams |
116
click to vote
ADBIS
2000
Springer
15 years 4 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
99
Voted
SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
212
click to vote
ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
EDBT
2000
ACM
15 years 3 months ago
2000
ACM
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
MOBIDE
2010
ACM
15 years 7 hour ago
2010
ACM
Complex event detection over data streams has become ubiquitous through the widespread use of sensors, wireless connectivity and the wide variety of end-user mobile devices. Typic...