Before revision:  We therefore introduce the concept of path-based summaries  which carries a higher level of semantics for data producers. We also introduce the tool Path Outlines to support LD producers in browsing path-based summaries of their datasets.
After revision:  We therefore introduce the concept of path-based summaries which carries a higher level of semantics , to meet their needs. We present the tool Path Outlines to support LD producers in browsing path-based summaries of their datasets.