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Table 2 Summary of the integration aspects analyzed in this paper

From: XML-based approaches for the integration of heterogeneous bio-molecular data

Aspect Main approaches
BioData Sequences, Biological Expressions, Pathways, etc.
Instantiation Materialized vs. Virtual integration
Integration Common data storage, data access or data interface
Global View Local As View, Global As View or Both As View
Global Model Relational-based, Tree-based, Graph-based
Query Model Ad-Hoc, SQL, XPath, XQuery, SPARQL, etc.
Semantics Dictionaries, Thesauri or Domain Ontologies
Scalability Low (< 10 sources), Medium (20–50), High (> 50)
  1. This table represents the aspects around which biological data integration approaches are compared.