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» Physical modeling of data warehouses using UML
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MDM
2009
Springer
115views Communications» more  MDM 2009»
14 years 3 months ago
Supporting Contexts for Indoor Navigation Using a Multilayered Space Model
Indoor navigation highly depends on context and requires flexible data structures to support the many use cases and configurations. For example, an indoor navigation system must c...
Thomas Becker, Claus Nagel, Thomas H. Kolbe
CORR
2004
Springer
142views Education» more  CORR 2004»
13 years 9 months ago
Modeling and Validating Hybrid Systems Using VDM and Mathematica
Hybrid systems are characterized by the hybrid evolution of their state: A part of the state changes discretely, the other part changes continuously over time. Typically, modern c...
Bernhard K. Aichernig, Reinhold Kainhofer
EDBT
2009
ACM
135views Database» more  EDBT 2009»
14 years 1 months ago
Provenance for nested subqueries
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
Boris Glavic, Gustavo Alonso
FROCOS
2011
Springer
12 years 8 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...
WMCSA
2003
IEEE
14 years 2 months ago
Proximity Mining: Finding Proximity using Sensor Data History
Emerging ubiquitous and pervasive computing applications often need to know where things are physically located. To meet this need, many locationsensing systems have been develope...
Toshihiro Takada, Satoshi Kurihara, Toshio Hirotsu...