category,year,n,drift_cos_dist
ai_accelerators,2018,675,
ai_accelerators,2019,793,0.00054168701171875
ai_accelerators,2020,909,0.00032335519790649414
ai_accelerators,2021,1096,0.00037360191345214844
ai_accelerators,2022,1250,0.00016367435455322266
ai_accelerators,2023,1398,0.00019371509552001953
ai_accelerators,2024,1511,0.00035828351974487305
ai_accelerators,2025,1612,0.0006879568099975586
ai_accelerators,2026,1134,0.0016825199127197266
ai_agents,2018,3985,
ai_agents,2019,3923,0.00015431642532348633
ai_agents,2020,3809,0.0001634359359741211
ai_agents,2021,3695,0.00022482872009277344
ai_agents,2022,3466,0.00023376941680908203
ai_agents,2023,3926,0.0001246929168701172
ai_agents,2024,4777,0.0005072951316833496
ai_agents,2025,7139,0.001975834369659424
ai_agents,2026,9148,0.003955423831939697
ai_safety,2018,674,
ai_safety,2019,1021,0.0005134344100952148
ai_safety,2020,1504,0.0002422332763671875
ai_safety,2021,1859,0.00029265880584716797
ai_safety,2022,2237,0.00018221139907836914
ai_safety,2023,3147,0.0003796815872192383
ai_safety,2024,4981,0.0006030797958374023
ai_safety,2025,8527,0.0007259249687194824
ai_safety,2026,9511,0.0009824037551879883
algorithms,2018,18816,
algorithms,2019,19851,6.699562072753906e-05
algorithms,2020,19838,4.1604042053222656e-05
algorithms,2021,20483,4.863739013671875e-05
algorithms,2022,20057,6.830692291259766e-05
algorithms,2023,20455,4.7326087951660156e-05
algorithms,2024,22363,0.00020551681518554688
algorithms,2025,25347,0.000394284725189209
algorithms,2026,21441,0.002207636833190918
applied_cryptography,2018,6587,
applied_cryptography,2019,7403,8.940696716308594e-05
applied_cryptography,2020,7200,7.939338684082031e-05
applied_cryptography,2021,7169,0.00010275840759277344
applied_cryptography,2022,7333,9.47117805480957e-05
applied_cryptography,2023,8121,0.00018799304962158203
applied_cryptography,2024,9117,0.0005169510841369629
applied_cryptography,2025,10603,0.0006324052810668945
applied_cryptography,2026,7476,0.0011313557624816895
autonomous_scientific_discovery,2020,153,
autonomous_scientific_discovery,2021,176,0.0012611150741577148
autonomous_scientific_discovery,2022,179,0.0012031793594360352
autonomous_scientific_discovery,2023,334,0.0011719465255737305
autonomous_scientific_discovery,2024,387,0.0008219480514526367
autonomous_scientific_discovery,2025,634,0.0015412569046020508
autonomous_scientific_discovery,2026,754,0.0030105113983154297
blockchain,2018,4075,
blockchain,2019,5746,0.0005881786346435547
blockchain,2020,6366,0.00034350156784057617
blockchain,2021,7327,0.00013393163681030273
blockchain,2022,8623,7.742643356323242e-05
blockchain,2023,10872,0.0002580881118774414
blockchain,2024,11849,0.0005131363868713379
blockchain,2025,13097,0.0005317926406860352
blockchain,2026,7577,0.0006111860275268555
cloud_computing,2018,6467,
cloud_computing,2019,6375,6.628036499023438e-05
cloud_computing,2020,5907,8.112192153930664e-05
cloud_computing,2021,5996,9.840726852416992e-05
cloud_computing,2022,5708,0.00012576580047607422
cloud_computing,2023,6278,0.00021588802337646484
cloud_computing,2024,7214,0.0005791187286376953
cloud_computing,2025,8919,0.001031041145324707
cloud_computing,2026,5265,0.0007224678993225098
compilers,2018,610,
compilers,2019,581,0.0011998414993286133
compilers,2020,641,0.0004468560218811035
compilers,2021,606,0.0005481243133544922
compilers,2022,566,0.0004069209098815918
compilers,2023,620,0.00035500526428222656
compilers,2024,687,0.00047284364700317383
compilers,2025,671,0.0011199712753295898
compilers,2026,512,0.0027031898498535156
computational_biology,2018,9883,
computational_biology,2019,11711,0.00013458728790283203
computational_biology,2020,14402,0.000823974609375
computational_biology,2021,15545,9.97781753540039e-05
computational_biology,2022,15964,8.356571197509766e-05
computational_biology,2023,16825,0.00016671419143676758
computational_biology,2024,18997,0.0003212094306945801
computational_biology,2025,22333,0.0004730224609375
computational_biology,2026,17999,0.0009129643440246582
computational_complexity,2018,2839,
computational_complexity,2019,3032,0.0002670884132385254
computational_complexity,2020,2966,0.00017976760864257812
computational_complexity,2021,2949,0.0002211928367614746
computational_complexity,2022,2820,0.0002072453498840332
computational_complexity,2023,2864,0.0001266002655029297
computational_complexity,2024,3215,0.0003790855407714844
computational_complexity,2025,3506,0.0005419254302978516
computational_complexity,2026,3389,0.002340972423553467
computer_architecture,2018,15224,
computer_architecture,2019,14828,9.41157341003418e-05
computer_architecture,2020,13789,7.474422454833984e-05
computer_architecture,2021,13665,9.322166442871094e-05
computer_architecture,2022,12966,9.918212890625e-05
computer_architecture,2023,14183,6.759166717529297e-05
computer_architecture,2024,15139,0.0002962350845336914
computer_architecture,2025,17408,0.0006620883941650391
computer_architecture,2026,10721,0.0017458796501159668
computer_graphics,2018,7450,
computer_graphics,2019,7139,0.00010138750076293945
computer_graphics,2020,7010,0.0001748204231262207
computer_graphics,2021,6959,0.0001131296157836914
computer_graphics,2022,6742,0.00013577938079833984
computer_graphics,2023,7821,0.0001533031463623047
computer_graphics,2024,8806,0.0002993345260620117
computer_graphics,2025,10148,0.0005748867988586426
computer_graphics,2026,7949,0.0006890296936035156
computer_networks,2018,47136,
computer_networks,2019,47237,8.875131607055664e-05
computer_networks,2020,44149,0.0001266002655029297
computer_networks,2021,43438,0.00010007619857788086
computer_networks,2022,42395,0.00010389089584350586
computer_networks,2023,45660,0.00013971328735351562
computer_networks,2024,47838,0.000387728214263916
computer_networks,2025,52031,0.0006129741668701172
computer_networks,2026,27677,0.0009319782257080078
computer_vision,2018,48891,
computer_vision,2019,58306,0.0004290342330932617
computer_vision,2020,60747,0.00014466047286987305
computer_vision,2021,71495,0.0002903938293457031
computer_vision,2022,75190,8.195638656616211e-05
computer_vision,2023,89842,0.00029462575912475586
computer_vision,2024,103029,0.0004177093505859375
computer_vision,2025,115171,0.0008973479270935059
computer_vision,2026,75785,0.0014344453811645508
cybersecurity,2018,20295,
cybersecurity,2019,22401,5.4001808166503906e-05
cybersecurity,2020,23297,0.00010520219802856445
cybersecurity,2021,24476,8.64267349243164e-05
cybersecurity,2022,25277,6.628036499023438e-05
cybersecurity,2023,30125,0.00019407272338867188
cybersecurity,2024,37625,0.0005081892013549805
cybersecurity,2025,47816,0.0006440281867980957
cybersecurity,2026,34908,0.0010759830474853516
database_systems,2018,12317,
database_systems,2019,12911,6.61611557006836e-05
database_systems,2020,11967,7.82012939453125e-05
database_systems,2021,11976,7.742643356323242e-05
database_systems,2022,11811,3.2901763916015625e-05
database_systems,2023,12711,0.00013959407806396484
database_systems,2024,13338,0.0003140568733215332
database_systems,2025,14737,0.0005966424942016602
database_systems,2026,11274,0.0006576180458068848
deep_learning_architectures,2018,8284,
deep_learning_architectures,2019,10871,0.0002595186233520508
deep_learning_architectures,2020,13370,0.00017219781875610352
deep_learning_architectures,2021,16346,0.0001652240753173828
deep_learning_architectures,2022,17510,0.00013893842697143555
deep_learning_architectures,2023,20271,0.00014126300811767578
deep_learning_architectures,2024,23488,0.000382840633392334
deep_learning_architectures,2025,26862,0.000697016716003418
deep_learning_architectures,2026,18862,0.0017584562301635742
distributed_computing,2018,8840,
distributed_computing,2019,9068,0.00011426210403442383
distributed_computing,2020,8622,8.630752563476562e-05
distributed_computing,2021,8291,7.778406143188477e-05
distributed_computing,2022,7894,0.00011551380157470703
distributed_computing,2023,8415,0.0001119375228881836
distributed_computing,2024,8984,0.00034368038177490234
distributed_computing,2025,10625,0.0006721019744873047
distributed_computing,2026,7564,0.001786351203918457
edge_computing,2018,3774,
edge_computing,2019,4891,0.00015491247177124023
edge_computing,2020,5186,0.0003097653388977051
edge_computing,2021,6015,0.00018650293350219727
edge_computing,2022,6705,0.00010484457015991211
edge_computing,2023,7350,0.00029456615447998047
edge_computing,2024,8324,0.0005742907524108887
edge_computing,2025,9180,0.0009709000587463379
edge_computing,2026,5212,0.0006044507026672363
federated_learning,2018,130,
federated_learning,2019,181,0.002472102642059326
federated_learning,2020,236,0.005462765693664551
federated_learning,2021,513,0.006606400012969971
federated_learning,2022,715,0.00044023990631103516
federated_learning,2023,1062,0.0004500150680541992
federated_learning,2024,1325,0.0005602240562438965
federated_learning,2025,1491,0.0004897117614746094
federated_learning,2026,1180,0.0016917586326599121
formal_verification,2018,3779,
formal_verification,2019,3343,0.00016188621520996094
formal_verification,2020,3255,0.00010728836059570312
formal_verification,2021,3371,0.0001016855239868164
formal_verification,2022,3017,0.00010192394256591797
formal_verification,2023,3397,0.00014907121658325195
formal_verification,2024,3320,0.00015181303024291992
formal_verification,2025,3676,0.0006346702575683594
formal_verification,2026,3748,0.0010836124420166016
foundation_models,2021,181,
foundation_models,2022,259,0.000798642635345459
foundation_models,2023,450,0.0013004541397094727
foundation_models,2024,837,0.0010425448417663574
foundation_models,2025,1464,0.0008286237716674805
foundation_models,2026,2071,0.0020837783813476562
generative_ai,2018,557,
generative_ai,2019,885,0.0007423758506774902
generative_ai,2020,1091,0.0002529025077819824
generative_ai,2021,1480,0.00022619962692260742
generative_ai,2022,1608,0.00035130977630615234
generative_ai,2023,2846,0.0025615692138671875
generative_ai,2024,5677,0.004411637783050537
generative_ai,2025,9702,0.0017720460891723633
generative_ai,2026,10346,0.002142965793609619
hci,2018,25357,
hci,2019,27246,4.279613494873047e-05
hci,2020,26907,6.753206253051758e-05
hci,2021,27022,9.000301361083984e-05
hci,2022,28925,4.583597183227539e-05
hci,2023,33875,8.600950241088867e-05
hci,2024,41220,0.0003154277801513672
hci,2025,48141,0.0004354715347290039
hci,2026,37726,0.0007017850875854492
information_retrieval,2018,8367,
information_retrieval,2019,8623,0.00021386146545410156
information_retrieval,2020,8392,0.0001823902130126953
information_retrieval,2021,8631,9.572505950927734e-05
information_retrieval,2022,8782,0.00022804737091064453
information_retrieval,2023,9844,0.00019615888595581055
information_retrieval,2024,11188,0.0005098581314086914
information_retrieval,2025,13660,0.0007457733154296875
information_retrieval,2026,12326,0.002034306526184082
llm,2018,586,
llm,2019,770,0.0022777318954467773
llm,2020,1289,0.0019356012344360352
llm,2021,1855,0.0009489059448242188
llm,2022,2401,0.0005557537078857422
llm,2023,8767,0.005295395851135254
llm,2024,21611,0.0006939172744750977
llm,2025,38807,0.0007572174072265625
llm,2026,42355,0.0018274784088134766
ml_theory,2018,10066,
ml_theory,2019,13044,0.0001266002655029297
ml_theory,2020,15026,0.00010001659393310547
ml_theory,2021,16014,9.655952453613281e-05
ml_theory,2022,16346,0.0001423954963684082
ml_theory,2023,18927,0.0001391768455505371
ml_theory,2024,22220,0.0003165602684020996
ml_theory,2025,27142,0.0004909038543701172
ml_theory,2026,22976,0.001570582389831543
multimodal_ai,2018,321,
multimodal_ai,2019,461,0.001379251480102539
multimodal_ai,2020,580,0.0005500316619873047
multimodal_ai,2021,711,0.0005273818969726562
multimodal_ai,2022,979,0.00024497509002685547
multimodal_ai,2023,1492,0.0004547238349914551
multimodal_ai,2024,2638,0.0008806586265563965
multimodal_ai,2025,5066,0.0012086033821105957
multimodal_ai,2026,5838,0.001779794692993164
nlp,2018,17403,
nlp,2019,19636,0.0002048015594482422
nlp,2020,21947,0.00039309263229370117
nlp,2021,24158,0.00015425682067871094
nlp,2022,24684,0.00011050701141357422
nlp,2023,28616,0.00019317865371704102
nlp,2024,32609,0.0004767775535583496
nlp,2025,35943,0.00044536590576171875
nlp,2026,27177,0.0012892484664916992
operating_systems,2018,1192,
operating_systems,2019,1261,0.0005978941917419434
operating_systems,2020,1154,0.0005458593368530273
operating_systems,2021,1126,0.00033664703369140625
operating_systems,2022,979,0.00021159648895263672
operating_systems,2023,1071,0.00028014183044433594
operating_systems,2024,1107,0.00043487548828125
operating_systems,2025,1157,0.0012345314025878906
operating_systems,2026,885,0.0015346407890319824
privacy_preserving_computation,2018,2148,
privacy_preserving_computation,2019,2335,0.00020945072174072266
privacy_preserving_computation,2020,2987,0.0008411407470703125
privacy_preserving_computation,2021,3308,0.0003661513328552246
privacy_preserving_computation,2022,3557,0.00032895803451538086
privacy_preserving_computation,2023,4215,0.000512540340423584
privacy_preserving_computation,2024,5610,0.0005964040756225586
privacy_preserving_computation,2025,7285,0.0007647871971130371
privacy_preserving_computation,2026,5367,0.0009846687316894531
programming_languages,2018,3308,
programming_languages,2019,3444,0.0002231001853942871
programming_languages,2020,3187,0.00017154216766357422
programming_languages,2021,3195,0.00017940998077392578
programming_languages,2022,3036,0.0001900196075439453
programming_languages,2023,3210,0.00010275840759277344
programming_languages,2024,3190,0.00023502111434936523
programming_languages,2025,3438,0.0006345510482788086
programming_languages,2026,2883,0.0013189315795898438
quantum_computing,2018,4311,
quantum_computing,2019,5325,0.00010061264038085938
quantum_computing,2020,5957,0.00018781423568725586
quantum_computing,2021,7038,0.00016099214553833008
quantum_computing,2022,7512,9.97781753540039e-05
quantum_computing,2023,8953,0.00012695789337158203
quantum_computing,2024,10932,0.0003160238265991211
quantum_computing,2025,14532,0.0004927515983581543
quantum_computing,2026,15156,0.0016184449195861816
reinforcement_learning,2018,2530,
reinforcement_learning,2019,3692,0.0002372264862060547
reinforcement_learning,2020,4536,0.0001417398452758789
reinforcement_learning,2021,5443,0.00020581483840942383
reinforcement_learning,2022,5851,0.0001627802848815918
reinforcement_learning,2023,6935,0.00013911724090576172
reinforcement_learning,2024,8243,0.00027871131896972656
reinforcement_learning,2025,10700,0.0005189180374145508
reinforcement_learning,2026,9230,0.002566993236541748
robotics,2018,14399,
robotics,2019,16173,8.612871170043945e-05
robotics,2020,17099,0.00014036893844604492
robotics,2021,18658,0.00015974044799804688
robotics,2022,19601,7.539987564086914e-05
robotics,2023,22241,0.00011497735977172852
robotics,2024,26276,0.0003739595413208008
robotics,2025,28380,0.0008715391159057617
robotics,2026,20359,0.0040670037269592285
scientific_computing,2018,11213,
scientific_computing,2019,12595,0.00011265277862548828
scientific_computing,2020,13583,0.0001004934310913086
scientific_computing,2021,14449,5.543231964111328e-05
scientific_computing,2022,14486,5.137920379638672e-05
scientific_computing,2023,15258,8.594989776611328e-05
scientific_computing,2024,16540,0.0002646446228027344
scientific_computing,2025,17424,0.0006207823753356934
scientific_computing,2026,14443,0.00198441743850708
software_engineering,2018,20525,
software_engineering,2019,20877,8.958578109741211e-05
software_engineering,2020,20412,6.884336471557617e-05
software_engineering,2021,19472,0.0001214146614074707
software_engineering,2022,19609,5.984306335449219e-05
software_engineering,2023,22061,0.00017845630645751953
software_engineering,2024,25524,0.0002980232238769531
software_engineering,2025,30466,0.0006247758865356445
software_engineering,2026,26332,0.0012311935424804688
speech_audio,2018,8431,
speech_audio,2019,9298,0.0001596212387084961
speech_audio,2020,9291,0.0003312826156616211
speech_audio,2021,10091,0.00020968914031982422
speech_audio,2022,10408,0.00012683868408203125
speech_audio,2023,11975,0.00016939640045166016
speech_audio,2024,13270,0.00031822919845581055
speech_audio,2025,14947,0.0007099509239196777
speech_audio,2026,11894,0.0017036199569702148
sustainable_computing,2018,456,
sustainable_computing,2019,548,0.0009933710098266602
sustainable_computing,2020,530,0.0009502172470092773
sustainable_computing,2021,584,0.0004897117614746094
sustainable_computing,2022,679,0.00044608116149902344
sustainable_computing,2023,914,0.00042873620986938477
sustainable_computing,2024,1112,0.00042176246643066406
sustainable_computing,2025,1370,0.001747727394104004
sustainable_computing,2026,981,0.0014736652374267578