“…As a result, portals like PubMed and topic-or function-specific databases have been created. Zdobnov, Lopez, Apweiler, and Etzold (2002b) In addition, data models specific to molecular biology and genomics have appeared. One such model is the Sequence Retrieval System (SRS) (Etzold, Ulyanov, & Argos 1996;Zdobnov, Lopez, Apweiler, & Etzold, 2002a); another is the NCBI Data Model.…”