{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T10:28:51Z","timestamp":1778495331729,"version":"3.51.4"},"publisher-location":"California","reference-count":0,"publisher":"International Joint Conferences on Artificial Intelligence Organization","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,8]]},"abstract":"<jats:p>We provide an experimental study of committees that achieve (proportional\/extended) justified representation (JR\/PJR\/EJR). In particular, we ask how many such committees exist and how varied they are in terms of voter satisfaction and coverage.\u00a0 We find that under many natural distributions of preferences a large fraction of randomly selected JR committees also provide PJR and EJR.\u00a0 Further, we find that the sets of JR committees for our elections are very varied and include both high-quality ones and not-so-appealing ones.<\/jats:p>","DOI":"10.24963\/ijcai.2019\/16","type":"proceedings-article","created":{"date-parts":[[2019,7,28]],"date-time":"2019-07-28T07:46:05Z","timestamp":1564299965000},"page":"109-115","source":"Crossref","is-referenced-by-count":9,"title":["An Experimental View on Committees Providing Justified Representation"],"prefix":"10.24963","author":[{"given":"Robert","family":"Bredereck","sequence":"first","affiliation":[{"name":"TU Berlin, Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Piotr","family":"Faliszewski","sequence":"additional","affiliation":[{"name":"AGH University, Krak\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrzej","family":"Kaczmarczyk","sequence":"additional","affiliation":[{"name":"TU Berlin, Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rolf","family":"Niedermeier","sequence":"additional","affiliation":[{"name":"TU Berlin, Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10584","event":{"name":"Twenty-Eighth International Joint Conference on Artificial Intelligence {IJCAI-19}","theme":"Artificial Intelligence","location":"Macao, China","acronym":"IJCAI-2019","number":"28","sponsor":["International Joint Conferences on Artificial Intelligence Organization (IJCAI)"],"start":{"date-parts":[[2019,8,10]]},"end":{"date-parts":[[2019,8,16]]}},"container-title":["Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence"],"original-title":[],"deposited":{"date-parts":[[2019,7,28]],"date-time":"2019-07-28T07:46:15Z","timestamp":1564299975000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ijcai.org\/proceedings\/2019\/16"}},"subtitle":[],"proceedings-subject":"Artificial Intelligence Research Articles","short-title":[],"issued":{"date-parts":[[2019,8]]},"references-count":0,"URL":"https:\/\/doi.org\/10.24963\/ijcai.2019\/16","relation":{},"subject":[],"published":{"date-parts":[[2019,8]]}}}