莱娜-菲涅耳透镜基于RDF和SPARQL支持关联数据选择器/导航。

LENA - RDF/Linked Data Browser LENA stands for LEns based NAvigator. A lens represents a particular view onto RDF data and is described by the Fresnel Display Vocabulary. LENA enables viewing RDF data in your web browser, rendered according to the lens descriptions you provide. LENA supports the use of multiple lenses and indicates if they are available for a resource, so that a different view onto the same data is always just one click away! To write lenses for complex RDF structures created through sophisticated ontology frameworks like COMM or X-COSIM, LENA supports SPARQL selectors. As comprehensive query language for RDF, SPARQL complies to the requirements needed to select from these complex structured RDF graphs. While a Fresnel SPARQL selector is a d