Classification
006 - Special computer methods
55
004 - Data processing & computer science
24
620 - Engineering & allied operations
13
005 - Computer programming, programs & data
9
518 - Numerical analysis
7
658 - General management
6
519 - Probabilities & applied mathematics
5
621 - Applied physics
5
629 - Other branches of engineering
5
384 - Communications; telecommunication
4
330 - Economics
3
576 - Genetics & evolution
3
003 - Systems
2
331 - Labor economics
2
570 - Life sciences; biology
2
670 - Manufacturing
2
000 - Computer science, information & general works
1
001 - Knowledge
1
025 - Library operations
1
300 - Social sciences
1
303 - Social processes
1
338 - Production
1
500 - Natural sciences & mathematics
1
530 - Physics
1
600 - Technology
1
610 - Medicine & health
1
650 - Management & auxiliary services
1