Abstract
We describe the system architecture and data template design for the Animal Diversity Web (http://www.animaldiversity.org), an online natural history resource serving three audiences: 1) the scientific community, 2) educators and learners, and 3) the general public. Our architecture supports highly scalable, flexible resource building by combining relational and object-oriented databases. Content resources are managed separately from identifiers that relate and display them. Websites targeting different audiences from the same database handle large volumes of traffic. Content contribution and legacy data are robust to changes in data models. XML and OWL versions of our data template set the stage for making ADW data accessible to other systems.