Who are the authors that published papers about Tactile letter in British Computer Society Conference on Human-Computer Interaction in 2018?
In British Computer Society Conference on Human-Computer Interaction in 2018, who are the authors that published papers about Tactile letter?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/hci/ChuP18> <https://dblp.org/rdf/schema#authoredBy> ?answer . <https://dblp.org/rec/conf/hci/ChuP18> <https://dblp.org/rdf/schema#publishedIn> 'HCI (7)' . <https://dblp.org/rec/conf/hci/ChuP18> <https://dblp.org/rdf/schema#yearOfPublication> '2018' }
<https://dblp.org/rec/conf/hci/ChuP18>