Figure 1.

PICR architecture. PICR has a 3-tier architecture implemented in Java. The data access layer queries the UniParc database using a JDBC connection pool and provides model objects for the logic layer. The logic layer implements the mapping algorithm and uses SOAP to connect to the NCBI eUtils, as requested. The presentation layer has both interactive and service-oriented components, both hosted on a Tomcat server.

Côté et al. BMC Bioinformatics 2007 8:401   doi:10.1186/1471-2105-8-401
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