122 search results - page 2 / 25 » Distributed selection: a missing piece of data aggregation |
VLDB
1998
ACM
13 years 10 months ago
1998
ACM
To fulfill the requirement of fast interactive multidimensional data analysis, database systems precompute aggregate views on some subsets of dimensions and their corresponding hi...
IPPS
2003
IEEE
13 years 11 months ago
2003
IEEE
While prefetch has proven itself useful for reducing cache misses in multiprocessors, traffic is often increased due to extra unused prefetch data. Prefetching in multiprocessors...
PVLDB
2010
13 years 4 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...
ADHOC
2010
13 years 6 months ago
2010
We propose an algorithm for the hierarchical aggregation of observations in dissemination-based, distributed traffic information systems. Instead of transmitting observed paramete...
TC
2011
13 years 1 months ago
2011
— Processing the gathered information efficiently is a key functionality for wireless sensor networks. In this article, we study the time complexity, message complexity (number ...