Abstract. The LOD Russia research project funded by the Ministry of Education aims to create a first Linked Open Data Set in Russia enabling scientists, researchers and commercial users to share, access, analyse and reuse knowledge related to scientific data. The position paper is highlighting challenges of the life-cycle management of LOD data, especially focuses on the process of entity linking and the creation of a unique identifier (UID) based on the concept of the Identification Knowledge Base (IKB)