NDLI: Proceedings of the ACM 11th international workshop on Data warehousing and OLAP (DOLAP '08)

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Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes

A set of aggregation functions for spatial measures

Estimating and bounding aggregations in databases with referential integrity errors

A framework for recommending OLAP queries

Data mining-based fragmentation of XML data warehouses

Improving estimation accuracy of aggregate queries on data cubes

Solving summarizability problems in fact-dimension relationships for multidimensional models

Semantic enrichment of strategic datacubes

Transaction reordering with application to synchronized scans

Efficient OLAP with UDFs

Natural language reporting for ETL processes

Bridging the semantic gap in OLAP models: platform-independent queries

Proceedings of the ACM 11th international workshop on Data warehousing and OLAP (DOLAP '08)

Content Provider	ACM Digital Library
Editor	Song, Il-Yeol Abelló, Alberto
Copyright Year	2008
Abstract	It is our great pleasure to welcome you to the 11th ACM International Workshop on Data Warehousing and OLAP -- DOLAP'08. This year's workshop continues its tradition of being the premier forum where both researchers and practitioners can share their findings in theoretical foundations, current methodologies, practical experiences, and new research directions in the areas of data warehousing and on-line analytical processing. The mission of the workshop is to explore novel research directions and emerging application domains in the areas of data warehousing and OLAP, and identify new directions for future research and development. DOLAP gives researchers and practitioners a unique opportunity to share their perspectives with others interested in the various aspects of access control. The call for papers attracted 29 submissions from 16 different countries. The program committee accepted 12 papers that cover a variety of topics, including performance optimization, multidimensional queries, multidimensional design and ETL, and tools for data warehousing and OLAP. The papers in the area of performance optimization address the compression of bitmap indexes, the fragmentation of XML data, and the order of transactions. The papers on multidimensional queries present novel methods for the aggregation of spatial measures, the improvement of the estimation accuracy of aggregates, and the management of aggregations by means of User Defined Functions. The papers on multidimensional modeling and ETL insight into the management of referential integrity violation, the solution of summarizability problems, and the generation of natural language representations for the ETL process requirements and operations. Finally, the papers on tools for data warehousing and OLAP deal with the recommendation of OLAP queries, the semantic annotation of measures, and the automatic translation of queries from the conceptual level to the actual implementation. We hope that these proceedings will serve as a valuable reference for warehousing and OLAP researchers and developers.
ISBN	9781605582504
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-10-30
Access Restriction	Subscribed
Content Type	Text
Resource Type	Conference Proceedings

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