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Standards compliance: Relevanz products build on top of the Java 2 Enterprise Edition (J2EE) Platform to provide a robust and flexible infrastructure for Web applications. The benefits are as follow:

  • A three tier architecture cleanly separates presentation logic, application logic and persistent storage to improve maintainability and flexibility standard, J2EE-compliant Web containers (e.g. BEA Weblogic, Apache Tomcat) can be used to host presentation and application logic.

  • J2EE support: Core is built on the following J2EE specifications, which offer a proven, reliable and scalable architecture and simplifies legacy integration:

    - Java Servlet API 2.3
    - JavaServer Pages (JSP) 1.1
    - Java API for XML Processing (JAXP) 1.1
    - JDBC Optional Package 2.0

  • Robust: Stability is ensured by a comprehensive suite of regression tests, based on the open-source JUnit testing framework.

  • Persistence: Relevanz uses the best-of-breed open-source O/R persistence framework Hibernate. This allows for abstraction, scalability and database independence in our applications. The databases supported by Hibernate as of March 2003 are Oracle, DB2, MySQL, PostgreSQL, Sybase, SAP DB, HypersonicSQL, Microsoft SQL Server, Progress, Mckoi SQL, Pointbase and Interbase.

  • Security: Our security mechanism consists of user- and group-level permissions, specified by Access Control Lists (ACLs). This approach offers extremely fine-grained control over access of the system and its components.

  • Performance, Scalability and Reliability: Relevanz also employs comprehensive performance testing and auditing on a continuous basis during product development. This proactive approach allows us to evaluate competing design alternatives, identify and correct bottlenecks, and understand the effect of different configuration options.

  • UI Templating: Relevanz uses the best-of-breed open-source templating engine Jakarta Velocity from the Apache Foundation. Our templates are easily customizeable by programmers and non-programmers alike, all without sacrificing speed or scalability.