Using semantic web technologies to semantically organize information resources and provide deep semantic services such as semantic retrieval, semantic integration and semantic sharing has become a trend of knowledge organization and service. Many research and service organizations in foreign countries have carried out semantic organization and semantic service practice of information resources, among which the projects of the Semantic Computing Research Group (SeCo) in Finland are the most representative and cutting-edge. Thus, this paper analyzes these projects from four aspects: resource type and annotation depth, semantic model, semantic data construction and integration, and semantic service. Then, this paper summarizes their characteristics and enlightens the relevant practice in China: The objects of semantic organization expand from bibliography to non-bibliographic information resources; The depth of semantic annotation goes from external features to content semantics; The coverage of information resources extends from a single domain to multiple domains; Semantic services develop from text to image visualization; Semantic services evolve from single to diverse.