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Chapter and Conference Paper
An On-Demand ELT Architecture for Real-Time BI
Online or real-time BI has remained elusive despite significant efforts by academic and industrial research. Some of the most prominent problems in accomplishing faster turnaround are related to the data inges...
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Chapter and Conference Paper
Assessing XML Data Management with XMark
We discuss some of the experiences we gathered during the development and deployment of XMark, a tool to assess the infrastructure and performance of XML Data Management Systems. Since the appearance of the fi...
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Chapter
A Look Back on the XML Benchmark Project
Database vendors and researchers have been responding to the establishing of XML [45] as the premier data interchange language for Internet applications with the integration of XML processing capabilities into...
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Chapter and Conference Paper
Efficient Relational Storage and Retrieval of XML Documents
In this paper, we present a data and an execution model that allow for efficient storage and retrieval of XML documents in a relational database. The data model is strictly based on the notion of binary associ...
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Chapter and Conference Paper
Memory Aware Query Routing in Interactive Web-Based Information Systems
Query throughput is one of the primary optimization goals in interactive web-based information systems in order to achieve the performance necessary to serve large user communities. Queries in this application...
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Chapter and Conference Paper
Join Order Selection ( Good Enough Is Easy )
Uniform sampling of join orders is known to be a competitive alternative to transformation-based optimization techniques. However, uniformity of the sampling process is difficult to establish and only for a re...
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Chapter
Thinking Big in a Small World — Efficient Query Execution on Small-Scale SMPs
Many techniques developed for parallel database systems were focused on large-scale, often prototypical, hardware platforms. Therefore, most results cannot easily be transferred to widely available workstation...
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Chapter and Conference Paper
Load balanced query evaluation in shared-everything environments
In this paper, we present data threaded execution, a new strategy to exploit both, pipelining and intra-operator parallelism in shared-everything environments. Data threaded execution is intuitive, straightforwar...
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Chapter and Conference Paper
In quest of the bottleneck — monitoring parallel database systems
Monitoring query processing has proven to be an effective technique to detect bottlenecks in sequential query execution systems' components. Monitoring distributed execution in parallel systems, however, is a ...
