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SIGMOD
2011
ACM
248views Database» more  SIGMOD 2011»
14 years 2 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...
168
Voted
VLDB
2003
ACM
115views Database» more  VLDB 2003»
15 years 11 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
IEEEARES
2008
IEEE
15 years 5 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
2009
Springer
14 years 9 months ago
Towards a Modernization Process for Secure Data Warehouses
Data Warehouses (DW) manage crucial enterprise information used for the decision making process which has to be protected from unauthorized accesses. However, security constraints ...
Carlos Blanco, Ricardo Pérez-Castillo, Arnu...
AMW
2010
15 years 21 days ago
Generating XML/GML Schemas from Geographic Conceptual Schemas
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
André C. Hora, Clodoveu A. Davis Jr., Mirel...