Experiences with metadata
Sabine Timpf, Martin Raubal, Werner Miguel Kühn · Repository for Publications and Research Data (ETH Zurich) · 1997
The need to share and integrate spatial data has spurred an interest in metadata. This paper documents the acquisition and modeling of metadata from eleven digital geodata sources in Austria. It shows how the information was modeled according to the proposed CEN standard on metadata, how it was encoded in a database, and what problems were encountered during these processes. The paper concludes with a discussion of recent developments around metadata and of the option to make meta-databases available on the world-wide web. Keywords metadata, standards, OpenGIS, meta-databases, WWW 1. Motivation The topic of metadata has recently received considerable attention [Blott, and Vckovski, 1995; Dorf, and Scholten, 1993; Fisher, 1993; Strobl, 1995]. While many discussions addressed conceptual, architectural, and organizational requirements, practical experience with producing metadata has scarcely been documented. This might be caused by the fact that not a lot of meta-databases exist beca...