9414 search results - page 33 / 1883 » Adaptive Query Processing |
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
— Enterprise database systems handle a variety of diverse query workloads that are of different importance to the business. For example, periodic reporting queries are usually mi...
ICIP
2007
IEEE
14 years 2 months ago
2007
IEEE
We consider approaches for exact similarity search in a high dimensional space of correlated features representing image datasets, based on principles of clustering and vector qua...
SSDBM
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...