Technology of Building Domain Ontology Based on SECI

This paper introduce the modeling rules of ontology and exists building method, analyzes problems during the current building domain ontology, try to learn other ontology´s building mode, combine of knowledge management SECI model, proposes a hierarchy-spiral domain ontology construction method EHSO (ECSI- hierarchy- spiral-ontology), use this method to build the East China Sea fishery knowledge classification ontology.