CHASE 2016: 79% (26/33) "from the 33 submissions, 26 papers were accepted: 10 as Long papers, 12 as Short papers, and 4 as Notes"
ICSE 2016 (SEET): 41% (26/64) "from the 64 submissions, only 26 (22 long and 4 short) papers were accepted"
MSR 2016: 32% (42/133) "We received 133 submissions (103 full and 30 short research and practice paper submissions); out of the 103 full paper submissions, we accepted 36 papers, and out of the 30 short paper submissions, we accepted 6 paper"
ASONAM 2016: 31% (99/316) "a total of 316 papers were submitted to the conference, of which 43 were accepted as full papers, 41 were accepted as short papers, and 15 were accepted as posters"