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SIGMOD
2009
ACM
142views Database» more  SIGMOD 2009»
14 years 8 months ago
A grammar-based entity representation framework for data cleaning
Fundamental to data cleaning is the need to account for multiple data representations. We propose a formal framework that can be used to reason about and manipulate data represent...
Arvind Arasu, Raghav Kaushik
SIGMOD
2003
ACM
154views Database» more  SIGMOD 2003»
14 years 7 months ago
The Cougar Project: a work-in-progress report
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
Alan J. Demers, Johannes Gehrke, Rajmohan Rajarama...
CISIS
2010
IEEE
14 years 2 months ago
Extending Security-by-Contract with Quantitative Trust on Mobile Devices
Abstract—Security-by-Contract (S×C) is a paradigm providing security assurances for mobile applications. In this work, we present an extension of S×C enriched with an automatic...
Gabriele Costa, Nicola Dragoni, Aliaksandr Lazousk...
ER
2009
Springer
118views Database» more  ER 2009»
14 years 2 months ago
Specifying Valid Compound Terms in Interrelated Faceted Taxonomies
In previous work, we proposed an algebra whose operators allow to specify the valid compound terms of a faceted taxonomy, in a flexible manner (by combining positive and negative ...
Anastasia Analyti, Yannis Tzitzikas, Nicolas Spyra...
CIBSE
2009
ACM
14 years 2 months ago
A two-level formal semantics for the QVT language
Model Driven Engineering (MDE) proposes a software development process in which software is built by constructing one or more models, and transforming these into other models. In t...
Roxana S. Giandini, Claudia Pons, Gabriela P&eacut...