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VLDB
2011
ACM
245views Database» more  VLDB 2011»
14 years 5 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
DBSEC
2011
245views Database» more  DBSEC 2011»
14 years 1 months ago
Multilevel Secure Data Stream Processing
Abstract. With sensors and mobile devices becoming ubiquitous, situation monitoring applications are becoming a reality. Data Stream Management Systems (DSMSs) have been proposed t...
Raman Adaikkalavan, Indrakshi Ray, Xing Xie
FROCOS
2011
Springer
13 years 9 months ago
Tailoring Temporal Description Logics for Reasoning over Temporal Conceptual Models
Temporal data models have been used to describe how data can evolve in the context of temporal databases. Both the Extended Entity-Relationship (EER) model and the Unified Modelli...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
AH
2008
Springer
15 years 4 months ago
Collection Browsing through Automatic Hierarchical Tagging
In order to navigate huge document collections efficiently, tagged hierarchical structures can be used. For users, it is important to correctly interpret tag combinations. In this ...
Korinna Bade, Marcel Hermkes
ATAL
2010
Springer
14 years 11 months ago
Scalable mechanism design for the procurement of services with uncertain durations
In this paper, we study a service procurement problem with uncertainty as to whether service providers are capable of completing a given task within a specified deadline. This typ...
Enrico Gerding, Sebastian Stein, Kate Larson, Alex...