620 search results - page 90 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
145
Voted
SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
130
Voted
3DPVT
2006
IEEE
15 years 9 months ago
2006
IEEE
In this paper, we propose a method for 3D-model retrieval from one or more photos. This method provides an ”optimal” selection of 2D views to represent a 3D-model, and a proba...
133
Voted
PVLDB
2008
15 years 3 months ago
2008
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
134
Voted
ICDE
2009
IEEE
15 years 10 months ago
2009
IEEE
— We present SMART, a self-tuning, bandwidth-aware monitoring system that maximizes result precision of continuous aggregate queries over dynamic data streams. While prior approa...
142
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...