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MEDINFO
2007
113views Healthcare» more  MEDINFO 2007»
13 years 11 months ago
Semantic Issues in Integrating Data from Different Models to Achieve Data Interoperability
Matching clinical data to codes in controlled terminologies is the first step towards achieving standardisation of data for safe and accurate data interoperability. The MoST autom...
Rahil Qamar, Alan Rector
DEXA
2004
Springer
106views Database» more  DEXA 2004»
14 years 3 months ago
A Graph-Based Data Model to Represent Transaction Time in Semistructured Data
Abstract. In this paper we propose the Graphical sEmistructured teMporal data model (GEM), which is based on labeled graphs and allows one to represent in a uniform way semistructu...
Carlo Combi, Barbara Oliboni, Elisa Quintarelli
GIS
1999
ACM
14 years 2 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
CAISE
2010
Springer
13 years 11 months ago
Probabilistic Models to Reconcile Complex Data from Inaccurate Data Sources
There is a large amount of data that is published on the Web and several techniques have been developed to extract and integrate data from Web sources. However, Web data are inhere...
Lorenzo Blanco, Valter Crescenzi, Paolo Merialdo, ...
ICDE
2009
IEEE
160views Database» more  ICDE 2009»
13 years 7 months ago
Perm: Processing Provenance and Data on the Same Data Model through Query Rewriting
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
Boris Glavic, Gustavo Alonso