Sep 14, 2007 · Very recently optimal algorithms were proposed for the wavelet synopsis construction problem for equality/point queries. In this paper we ...

Synopses structures and approximate query answering have become increasingly important in DSS/ OLAP applications with stringent response time requirements.

Nov 11, 2005 · We now present an optimal algorithm for the hierarchical range query problem under workloads. Given a workload Q over a set of hierarchical ...

This paper investigates the problem of optimum Haar wavelet synopsis construction for range queries with workloads and provides optimum algorithms as well ...

Synopses structures and approximate query answering have become increasingly important in DSS/ OLAP applications with stringent response time requirements.

In this paper, we introduce workload-based wavelet synopses, which exploit available query workload information to significantly boost accuracy over previous ...

Approximate Query Processing over Synopses: An effective approach to manage large data sets (eg OLAP queries). 1. Query optimization process - Provide ...

Nov 10, 2006 · ABSTRACT. In this paper we perform an extensive theoretical and exper- imental study on common synopsis construction algorithms,.

We present linear time, I/O optimal algorithms for building optimal workload-based wavelet synopses for point queries. The synopses are based on a novel ...

In this paper we perform an extensive theoretical and exper- imental study on common synopsis construction algorithms, with emphasis on wavelet based ...