1000 search results - page 21 / 200 » Provenance for Aggregate Queries |
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
HPDC
2005
IEEE
14 years 3 months ago
2005
IEEE
Very large scale computations are now becoming routinely used as a methodology to undertake scientific research. In this context, ‘provenance systems’ are regarded as the equ...
SSD
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
MASS
2010
13 years 7 months ago
2010
Clustering and data aggregation in wireless sensor networks improves scalability, and helps the efficient use of scarce resources. Yet, these mechanisms also introduce some securi...
DEXA
2005
Springer
14 years 3 months ago
2005
Springer
Computing aggregates over distributed data sets constitutes an interesting class of distributed queries. Recent advances in peer-to-peer discovery of data sources and query process...