Classification
DVA - Data and file management
74
DWI - Information management
7
DAE - Information technology - general
5
DKAT - Computer utilities
5
DWA - Database systems
5
DNC - Internet
4
DPAD - Data mining, text mining, big data
4
DUA - Text and document processing
4
DPA - Electronic data processing - applications
3
ZBH - Digital library
3
DIA - System programming
2
DNA - Computer networks, local area networks
2
DOZ - Programming languages - Other
2
DSA - Computer graphics, image/photo editing
2
DVAG - Business graphics, spreadsheets
2
AHJ - Training methods
1
AMA - Education - general
1
AYA - Sciences - general aspects
1
DAA - Information technology - reference books
1
DCA - Informatics - theoretical
1
DGAD - Distributed systems
1
DKAI - Unix - operating system
1
DMC - Computer programs
1
DOO - Programming language - SPSS, R, S etc.
1
DOQ - Programming languages - Internet
1
DTAE - MS - Access
1
DWAC - Relational database systems
1
DYG - Pattern recognition
1
DYK - Image processing
1
DZE - Data privacy, data security
1
EUC - Energy conservation - civil engineering
1
EVA - Energy demand, energy supply - comprehensive works
1
HAN - Medicine - mathematical methods, computer applications, databases
1
HCE - Biomedical engineering - general aspects
1
LAN - Biology - mathematical methods, statistics
1
MSH - Mathematical methods in life sciences
1
MWH - Statistics
1
MWHC - Regression theory, correlation theory
1
MWHD - Statistical tests
1
TCH - Data transmission
1
TCJ - Signal processing
1
TED - Electric power - industrial aspect
1
TEDD - Electric power transmission
1
TGB - Metrology
1
THE - Computer aided design and engineering (CAD)
1
YPF - Labour science
1
YPG - Business management
1
YPGM - Cost management
1
ZBHC - Electronic publishing
1
ZCA - Documentation
1