Before revision:  This granularity makes it difficult to produce overviews of LD content . We therefore introduce the concept of path-based summaries  which carries a higher level of semantics for data producers.
After revision:  This granularity makes it difficult for data producers to have meaningful overviews of the content of their own datasets. We report a characterisation of LD producers' needs, and introduce the concept of path-based summaries which carries a higher level of semantics for data producers.