The SphereSearch engine for unified ranked retrieval of heterogeneous XML and web documents
Jens Graupmann, Ralf Schenkel, Gerhard Weikum · 2005
This paper presents the novel SphereSearch Engine that provides unified ranked retrieval on heterogeneous XML and Web data. Its search capabilities include vague structure conditions, text content conditions, and relevance ranking based on IR statistics and statistically quantified ontological relationships.