1552 search results - page 42 / 311 » Efficient Aggregate Computation over Data Streams |
SIGMOD
1997
ACM
13 years 12 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...
ICDE
2009
IEEE
14 years 9 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...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- Recent innovations in RFID technology are enabling large-scale cost-effective deployments in retail, healthcare, pharmaceuticals and supply chain management. The advent ...
CONEXT
2007
ACM
13 years 11 months ago
2007
ACM
Motivated by the wide use of TCP for streaming in practice and the increasing availability of multipath between end hosts, we study multipath live streaming via TCP in this paper....
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...