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SIGMOD
2011
ACM
248views Database» more  SIGMOD 2011»
14 years 1 months ago
Llama: leveraging columnar storage for scalable join processing in the MapReduce framework
To achieve high reliability and scalability, most large-scale data warehouse systems have adopted the cluster-based architecture. In this paper, we propose the design of a new clu...
Yuting Lin, Divyakant Agrawal, Chun Chen, Beng Chi...
VLDB
2003
ACM
115views Database» more  VLDB 2003»
15 years 10 months ago
Lineage tracing for general data warehouse transformations
Data warehousing systems integrate information from operational data sources into a central repository to enable analysis and mining of the integrated information. During the integ...
Yingwei Cui, Jennifer Widom
DASFAA
2007
IEEE
183views Database» more  DASFAA 2007»
15 years 4 months ago
BioDIFF: An Effective Fast Change Detection Algorithm for Biological Annotations
Abstract. Warehousing heterogeneous, dynamic biological data is a key technique for biological data integration as it greatly improves performance. However, it requires complex mai...
Yang Song, Sourav S. Bhowmick, C. Forbes Dewey
IEEEARES
2008
IEEE
15 years 4 months ago
Towards Comprehensive Requirement Analysis for Data Warehouses: Considering Security Requirements
—Data warehouse (DW) systems integrate data from heterogeneous sources and are used by decision makers to analyze the status and the development of an organization. Traditionally...
Emilio Soler, Veronika Stefanov, Jose-Norberto Maz...
DAWAK
2008
Springer
15 years 4 days ago
Mining Conditional Cardinality Patterns for Data Warehouse Query Optimization
Abstract. Data mining algorithms are often embedded in more complex systems, serving as the provider of data for internal decision making within these systems. In this paper we add...
Mikolaj Morzy, Marcin Krystek