In this paper the current situation in organisations regarding the reuse of information is discussed. Problems of both information publishers and consumers are presented. Many of them can be avoided by adopting the new paradigm for sharing information, namely linked open data. Although this paradigm is getting on importance, being promoted by public administration, still it has not achieved a critical mass satisfactory for enterprises. Future research challenges for business informatics with respect to linked data on the Web are sketched in the conclusions. Key words: linked open data, information reuse, ontological foundations of business, research directions, challenges