Find the venue in which the paper 'Concept Drift in documents and Formal Concept Analysis' was published.
The paper 'Concept Drift in documents and Formal Concept Analysis' was published in which venue?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/ejc/MiyazakiT09> <https://dblp.org/rdf/schema#publishedIn> ?answer }
<https://dblp.org/rec/conf/ejc/MiyazakiT09>