Economy of the information sector and the theory of markets with asymmetric information are presented. It is a matter of two different sub-disciplines and two author clusters in economic sciences under the same name of information economics.
The paper describes the first steps in the introduction of the authority control for personal and corporate names, and editing of the CONOR, V5.1 authority database. It also gives an account on activities related to the preparation of the COBISS General List of Subject Headings.
The usage of XML technology is a common feature of many present-day WWW applications. The article presents certain new aspects in the development of XML technology. More and more XML standards have begun to emerge and have been made implemented. The majority of most important XML specifications has already been standardised.