You can treat imageboard pool as a distributed redundant image database. BOORU_*.tsv - items identified by MD5, partitioned by 1-st symbol with direct URLs and key supplementary info : - initially grabbed from * DANB = danbooru.donmai.us * GLB = gelbooru.com * SB = safebooru.org * SNK = chan.sankakucomplex.com * TBIB = tbib.org * YNDR = yande.re * APIC = anime-pictures.net * KONA = konachan.com * E621 = e621.net * ZERO = zerochan.net * ESS = e-shuushuu.net - got from ~~mythical~~unrealeased composite TORRent archive being built over * e-shuushuu -1 * e-shuushuu 2013 -2 * e-shuushuu 2013s -3 * e-shuushuu 2014 -4 joined into https://nyaa.si/view/513582 * e-shuushuu 2015 - https://nyaa.si/view/771715 (also duplicates 2014) * e-shuushuu 2016 -1 * e-shuushuu 2017 -2 * e-shuushuu 2018 -3 joined into https://www.acgnx.se/show-cceb3260269b5423cbd7f8d59f2c84531750923b.html * e-shuushuu_2020 - https://nyaa.si/view/1323390 * e-shuushuu_2023 - https://nyaa.si/view/1623787 * e621 TBIB - https://nyaa.si/view/1584978 * Safebooru 1280 -1 * Safebooru 1280 b -2 * Safebooru pages -3 joined into https://nyaa.si/view/719463 * Safebooru 2M - https://nyaa.si/view/891391 * Safebooru 2017 -1 * Safebooru 2018 -2 joined into https://nyaa.si/view/1181364 * Safebooru 2019 - https://nyaa.si/view/1202653 (actual composite rip sequence) * Safebooru 2020a - https://nyaa.si/view/1227047 * Safebooru 2020b - https://nyaa.si/view/1265063 * Safebooru 2020c - https://nyaa.si/view/1291697 * Safebooru 2020d - https://nyaa.si/view/1340980 * Safebooru 2021a - https://nyaa.si/view/1376135 * Safebooru 2021b - https://nyaa.si/view/1409571 * Safebooru 2021c - https://nyaa.si/view/1452049 * Safebooru 2021d - https://nyaa.si/view/1462329 * Safebooru 2022a - https://nyaa.si/view/1486179 * Safebooru 2022b - https://nyaa.si/view/1539363 * Safebooru 2022c - https://nyaa.si/view/1574093 * Safebooru 2022d - https://nyaa.si/view/1634287 * Safebooru 2023a - https://nyaa.si/view/1720018 * Safebooru 2023b - https://nyaa.si/view/1727186 * Safebooru 2023c - https://nyaa.si/view/1733499 * Sankaku 2013 wallsHD - https://rutracker.org/forum/viewtopic.php?t=4621394 * Sankaku 2014 -1 * Sankaku 2015 -2 * Sankaku 2015b -3 joined into https://nyaa.si/view/750972 * Sankaku 2016a -1 * Sankaku 2016b -2 * Sankaku 2016c -3 joined into https://nyaa.si/view/875411 * zerochan - https://rutracker.org/forum/viewtopic.php?t=3473348 * zerochan_2014s - https://nyaa.si/view/1336359 (downsize to 1920 px, PNG -> JPG) * zerochan_2016 - https://nyaa.si/view/1313832 * zerochan-2017 - https://rutracker.org/forum/viewtopic.php?t=5478026 * zerochan_2020 - https://nyaa.si/view/1304539 (600+ GB!, lots of PNG) - got from BOORU CHARS sampled releases * BCT = BOORU CHARS 2021 * BCO = BOORU CHARS 2015 * BCN = BOORU CHARS 2022 * BCB = BOORU CHARS 2023 17.733.350 items identified by MD5 (BOORU_*.tsv) of which 4.937.403 are TORR-ed, 3.065.969 BC-ed. FMD5 - key FSIZE - file size in bytes if available in imageboard metadata IW - image width IH - image height IFMT - file format, may be not an image (video, zip) DANB_ID - Danbooru post id DANB_DT - posting date DANB_S - user score DANB_R - rating (1-letter) Safe, Questionable, Explicit, General DANB_URL - direct image URL GLB_ID,GLB_DT,GLB_S,GLB_R,GLB_URL - the same for gelbooru SB_ID,SB_DT,SB_URL - for safebooru, low user activity make score useless, rating treated as Safe SNK_ID,SNK_DT,SNK_S,SNK_R - chan.sankaku no URL available, partial data TBIB_ID,TBIB_DT,TBIB_R,TBIB_URL - low user activity YNDR_ID,YNDR_DT,YNDR_S,YNDR_R,YNDR_URL - the same for yande.re APIC_ID,APIC_DT,APIC_S,APIC_R,APIC_URL - see imageboards coding above KONA_ID,KONA_DT,KONA_S,KONA_R,KONA_URL - E621_ID,E621_DT,E621_S,E621_R,E621_URL - ZERO_ID,ZERO_DT,ZERO_URL - the same for zerochan, no rating (treated as Safe), no user score ESS_ID,ESS_DT,ESS_S,ESS_URL - rating treated as Safe BC - BOORU CHAR entry (3-letter, see above) BC_FNAME - file name with path BC_IW - sampled image width BC_IH - sampled image height BC_FSIZE - sampled file size TORR - earliest torrents with this image, see coding above TORR_FNAME - torrent file name with path TORR_DT - file date in torrent TORR_IW - image width TORR_IH - image height TORR_FSIZE - file size TORR_SRC - torrent entry found via MD5 or BOORU + ID BOORU_TG.tsv is a tag catalog across imageboards used TAG - text tag @ booru, lowercased (ESS,ZERO), spaces replaced by underscore, maybe damaged/truncated (ZERO) CAT - tag category as of DANBOORU notation (3=copyright, 4=character, 1=artist, 0=general, 5=others) DANB_TAG_ID - tag ID on DANBOORU (optional) TAG_GROUP - generalised "franchise" tag for copyright / character or artist CNT_MAX - maximum tag count across imageboards USEIT - flag to use tag in list (see below) DANB_CNT,GLB_CNT,SB_CNT,SNK_CNT,TBIB_CNT,YNDR_CNT,APIC_CNT KONA_CNT,E621_CNT,ZERO_CNT,ESS_CNT - tag count by imageboard Here are 1.014.481 tags listed. BOORU_*_TG.tsv is a correlated artist / copyright / character tag list partitioned FMD5 - key CAT - tag category (3=copyright, 4=character, 1=artist) TAG - text tag TAG_STAT - string description where tag was found and tag popularity (max count), see an example below TAG_GROUP - generalised "franchise" tag to detect real crossovers among synonimic ones Here are 16.255.277 artist tags and 47.644.907 copyright / character ones. Following is an example for popular crossover image "8fffae01655f76969e238d429d5d8ab8" A record from BOORU_8.tsv contains a lot of valid URLs and point out : - image ogigination (e-shuushuu) and crossposting sequence - score (safe) and user rating (rather low) among imageboards - location in torrent (unchanged JPG got from safebooru) and BOORU_CHARS (2021) - ZERO_ID not accompanied with other metadata, not a rare case for zerochan FMD5 = 8fffae01655f76969e238d429d5d8ab8 FSIZE = 515518 IW = 1100 IH = 1500 IFMT = JPG DANB_ID = 833334 DANB_DT = 19.01.2011 2:02:40 DANB_S = 8 DANB_R = s DANB_URL = https://cdn.donmai.us/original/8f/ff/8fffae01655f76969e238d429d5d8ab8.jpg GLB_ID = 1040162 GLB_DT = 19.01.2011 14:32:01 GLB_S = 3 GLB_R = s GLB_URL = https://img3.gelbooru.com/images/8f/ff/8fffae01655f76969e238d429d5d8ab8.jpg SB_ID = 547977 SB_DT = 19.01.2011 7:30:29 SB_URL = https://safebooru.org/images/545/bd5a7c034d989c10f3f78c6b18edecbb920b2a22.jpg SNK_ID = 939572 SNK_DT = 19.01.2011 6:33:55 SNK_S = 1 SNK_R = s TBIB_ID = TBIB_DT = TBIB_R = TBIB_URL = YNDR_ID = YNDR_DT = YNDR_S = YNDR_R = YNDR_URL = APIC_ID = 104909 APIC_DT = 23.01.2011 APIC_S = 11 APIC_R = g APIC_URL = https://anime-pictures.net/pictures/get_image/104909-1100x1500-sleeping beauty-sound horizon-marchen-snow white-minazuki kurisu-tall image.jpg KONA_ID = KONA_DT = KONA_S = KONA_R = KONA_URL = E621_ID = E621_DT = E621_S = E621_R = E621_URL = ZERO_ID = 424897 ZERO_DT = ZERO_URL = ESS_ID = 362038 ESS_DT = 11.01.2011 21:02:00 ESS_S = 18 ESS_URL = http://e-shuushuu.net/images/2011-01-11-362038.jpeg BC = BCT BC_IW = 939 BC_IH = 1280 BC_FSIZE = 448343 BC_FNAME = 2016-7x10\R28\safebooru.org - 547977 - hansel and gretel ido e itaru mori e itaru ido marchen sleeping beauty sound horizon ~ alte rose aohigeko buranko (marchen) dornroschen dwarf (grimm) elis [ESS].jpg TORR = Safebooru pages TORR_IW = 1100 TORR_IH = 1500 TORR_FSIZE = 515518 TORR_FNAME = 054xxxx\safebooru.org - 547977 - hansel and gretel ido e itaru mori e itaru ido marchen sleeping beauty sound horizon ~ alte rose aohigeko buranko (marchen) dornroschen dwarf (grimm) elis [ess].jpg TORR_FMD5 = 8fffae01655f76969e238d429d5d8ab8 TORR_DT = 22.03.2015 20:47:57 TORR_SRC = MD5 Using the combined tag list BOORU_8_TG.tsv we can discover by-source tagging completeness and differences including tag synonyms (with prevalence) and franchise grouping (the case is a real non synonimic crossover). Of course, tags grouping and correlation is not perfect - as a tagging by itself. 1 mamako ESS [450] 1 minazuki_kurisu APIC,DANB,GLB,SB,SNK,ZERO [25] minazuki_kurisu 3 sound_horizon APIC,DANB,ESS,GLB,SB,SNK,ZERO [10230] sound_horizon 3 marchen APIC,DANB,GLB,SB,SNK,ZERO [2086] sound_horizon 3 snow_white APIC,SNK,ZERO [1119] grimm's_fairy_tales 3 snow_white_and_the_seven_dwarfs SNK [886] grimm's_fairy_tales 3 sleeping_beauty APIC,DANB,GLB,SB,SNK [669] disney 3 grimm's_fairy_tales DANB [611] grimm's_fairy_tales 3 hansel_and_gretel DANB,GLB,SB,SNK [98] grimm's_fairy_tales 3 ido_e_itaru_mori_e_itaru_ido DANB,GLB,SB,SNK [61] sound_horizon 4 elisabeth_von_wettin DANB,ESS,GLB,SB,SNK,ZERO [1403] sound_horizon 4 marchen_von_friedhof DANB,ESS,GLB,SB,SNK,ZERO [1389] sound_horizon 4 elise ESS [1155] 4 elise_(sound_horizon) ZERO [739] sound_horizon 4 schneewittchen DANB,ESS,GLB,SB,SNK,ZERO [694] sound_horizon 4 gretel ESS [584] grimm's_fairy_tales 4 elyse DANB,GLB,SB,SNK [539] sound_horizon 4 nobarahime ESS [395] 4 idoko DANB,GLB,SB,SNK,ZERO [334] sound_horizon 4 tettere_(sound_horizon) ZERO [332] sound_horizon 4 tettere DANB,GLB,SB,SNK [273] sound_horizon 4 dornroschen_(sound_horiz ZERO [255] sound_horizon 4 buran-ko SNK,ZERO [217] sound_horizon 4 therese_von_ludowing DANB,ESS,GLB,SB,SNK,ZERO [210] sound_horizon 4 aohigeko DANB,GLB,SB,SNK,ZERO [168] sound_horizon 4 hansel ESS [152] grimm's_fairy_tales 4 alte_rose DANB,ESS,GLB,SB,SNK,ZERO [84] sound_horizon 4 bluebeard ESS [66] sound_horizon 4 dornroschen DANB,GLB,SB,SNK [44] sound_horizon 4 buranko_(marchen) DANB,GLB,SB,SNK [35] sound_horizon 4 gretel_(grimm) DANB,GLB,SB,SNK [32] grimm's_fairy_tales 4 nun_(marchen) DANB,GLB,SB,SNK [30] sound_horizon 4 hansel_(grimm) DANB,GLB,SB,SNK [29] grimm's_fairy_tales 4 mother_holle ESS,ZERO [28] 4 dwarf_(grimm) DANB,GLB,SB,SNK [23] grimm's_fairy_tales 4 the_landlady ZERO [16] For reference - BOORU_CHARS 2021 info (look into readme of that torrent for details) BOORU = safebooru.org FID = 547977 IPATH = 2016-7x10\R28 FNAME = safebooru.org - 547977 - hansel and gretel ido e itaru mori e itaru ido marchen sleeping beauty sound horizon ~ alte rose aohigeko buranko (marchen) dornroschen dwarf (grimm) elis [ESS].jpg S_FSIZE = 448343 S_ISIZE = 939x1280 S_JQ = 91 R_ALL = -28413 TENTR = 0,834918 R_ENTR = -24823 TSKEW = -0,100532 TSTDDEV = 0,300524 R_SDEV = -23287 TCOLORS = 206361 R_COLOR = -31496 MEANG = 0,0939514 R_MEANG = -24334 EDGE = 0,308148 R_EDGE = -30068 O_FSIZE = 515518 O_ISIZE = 1100x1500 O_JQ = 91 O_FMD5 = 8fffae01655f76969e238d429d5d8ab8 P_DT = 19.01.2011 RATN = s SCOR = 0 FAVS = 0 FEXT = jpg P_FSIZE = P_ISIZE = P_FMD5 = BOUNDBOX = 936x1280+0+0 TAGS_C = 5 TAGS_P = 15 TAGS_A = 1 TAGS_G = 24 TAGS_X = 1 TXSIZE = 0,02987 TXCNT = 9 YCOMP = YFACE = YFACEJ = YFMAX = YFAVG =