Discover a complete BBS item in Wikidata

Continuing the discussion from What is a BBS page?:

To assist modeling the data we want to collect on BBS, we ought to track down a complete BBS entry in Wikidata, build on prior work.

Here’s a simple query of “instances of bulletin board system”, which currently only shows 20…

SELECT ?bulletin_board_system ?bulletin_board_systemLabel WHERE {
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  ?bulletin_board_system wdt:P31 wd:Q210499.
}
LIMIT 100
bulletin_board_system bulletin_board_systemLabel
http://www.wikidata.org/entity/Q700773 Stormfront
http://www.wikidata.org/entity/Q3180267 MBBS
http://www.wikidata.org/entity/Q5004616 Byte Information Exchange
http://www.wikidata.org/entity/Q5008977 CBBS
http://www.wikidata.org/entity/Q5256219 Demon Roach Underground
http://www.wikidata.org/entity/Q5416697 Event Horizons BBS
http://www.wikidata.org/entity/Q5496631 Fred the Computer
http://www.wikidata.org/entity/Q5512931 GBBS
http://www.wikidata.org/entity/Q5857087 Waffle
http://www.wikidata.org/entity/Q6901450 Monochrome BBS
http://www.wikidata.org/entity/Q7121048 PTT Bulletin Board System
http://www.wikidata.org/entity/Q7382670 Rusty n Edie's BBS
http://www.wikidata.org/entity/Q7391389 SMTH BBS
http://www.wikidata.org/entity/Q7695725 TeleFinder
http://www.wikidata.org/entity/Q8045833 YAWC
http://www.wikidata.org/entity/Q8074102 Zooid BBS
http://www.wikidata.org/entity/Q11093276 MIT BBS
http://www.wikidata.org/entity/Q11198362 Enjoy Korea and Enjoy Japan
http://www.wikidata.org/entity/Q11258436 Strange World
http://www.wikidata.org/entity/Q23048885 Falken

So, um, should be easy to find the most filled out item…