Mention the years in which 'Enforcing System-Wide Properties' and 'A review of kernels on covariance matrices for BCI applications' were published.
When were 'Enforcing System-Wide Properties' and 'A review of kernels on covariance matrices for BCI applications' published?
SELECT DISTINCT ?answer WHERE { { <https://dblp.org/rec/conf/aswec/EichbergMSBH04> <https://dblp.org/rdf/schema#yearOfPublication> ?answer } UNION { <https://dblp.org/rec/conf/mlsp/Yger13> <https://dblp.org/rdf/schema#yearOfPublication> ?answer } }
<https://dblp.org/rec/conf/aswec/EichbergMSBH04> <https://dblp.org/rec/conf/mlsp/Yger13>