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IEEEARES
2008
IEEE
15 years 10 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...
ER
2007
Springer
108views Database» more  ER 2007»
15 years 10 months ago
Reasoning over Extended ER Models
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
SEMWEB
2007
Springer
15 years 10 months ago
Instance Migration in Heterogeneous Ontology Environments
In this paper we address the problem of migrating instances between heterogeneous overlapping ontologies. The instance migration problem arises when one wants to reclassify a set o...
Luciano Serafini, Andrei Tamilin
CIMCA
2006
IEEE
15 years 10 months ago
Timed-MPSG: A Formal Model for Real-Time Shop Floor Controller
The MPSG (Message-based Part State Graph) model has been developed for the execution portion of shop-floor controllers that operate in a distributed and hierarchical control envir...
Devinder Thapa, Jaeil Park, Gi-Nam Wang, Dongmin S...
HICSS
2006
IEEE
141views Biometrics» more  HICSS 2006»
15 years 10 months ago
Temporal Implications of Information Technology for Work Practices: Organizing in and for Time in an Emergency Department
We investigate the temporal implications of information technology by examining its use in the work practices of physicians and nurses in an emergency department. We conceptualize...
Zixing Shen, Youngjin Yoo, Kalle Lyytinen