You can use Yonaga airport or Izumo Airport to arrive the conference Venue.
http://www.ipc.shimane-u.ac.jp/swmi/Access.html
The access information from Yonago or Izumo airport to the conference venue:
Izumo Airport
http://translate.google.co.jp/translate?hl=ja&sl=ja&tl=en&u=http%3A//www.izumo-airport.co.jp//&sandbox=1
Yonago Airport
https://www.yonago-air.com/