15 search results - page 2 / 3 » Approximate Computation of Multidimensional Aggregates of Sp... |
PODS
2004
ACM
14 years 5 months ago
2004
ACM
Several studies have demonstrated the effectiveness of the wavelet decomposition as a tool for reducing large amounts of data down to compact wavelet synopses that can be used to ...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
SEBD
2004
13 years 6 months ago
2004
Abstract. The need to compress data into synopses of summarized information often arises in many application scenarios, where the aim is to retrieve aggregate data efficiently, pos...
SSDBM
2003
IEEE
13 years 10 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
RT
2004
Springer
13 years 10 months ago
2004
Springer
This paper presents a technique, based on pre-computed light transport and separable BRDF approximation, for interactive rendering of non-diffuse objects under all-frequency envir...