Classification
YRCD - Informatics, information and society
135
DZC - Man and computer
11
YRC - Technology and society
10
DAE - Information technology - general
8
DNC - Internet
4
DWI - Information management
4
FEAC - Synergetics
4
TCC - IT - Information and telecommunication
4
YPW - Economy of industry branches
4
DMF - Software engineering
3
YPO - Economic policy
3
AHP - Philosophy
2
DGAD - Distributed systems
2
DMA - Programming
2
DMC - Computer programs
2
DPA - Electronic data processing - applications
2
DWA - Database systems
2
DWID - Multimedia, hypertext
2
DZE - Data privacy, data security
2
HAM - Medicine - theoretical and philosophical fundamentals
2
MSB - Chaos, nonlinear dynamical systems
2
YPB - Economy - general aspects
2
YPS - Economy of the developing countries
2
YZA - Politics, political science
2
ZCB - Information science
2
AHF - Research and science
1
AHPC - Ethics
1
AHX - History - general
1
DCA - Informatics - theoretical
1
DGA - Computer types, plants and organization
1
DPAD - Data mining, text mining, big data
1
DYAK - Cybernetics
1
DYBK - Biocybernetics
1
DYG - Pattern recognition
1
MNL - Computational methods - general
1
PLA - Astrosciences - general
1
TCA - Communication science - general
1
TCLF - Radio, video, telephone
1
THI - Robotics
1
UCA - Environmental problems, man and environment - general aspects
1
YDM - Commercial law, commercial legislation
1
YRAB - Gender studies
1
YRD - Technology assessment
1
YUD - Comprehensive statistical data - Germany
1
ZAB - Media studies (without bibliology)
1
ZBAA - General (incl. bibliographies)
1
ZBAF - Festschrifts
1
ZBHB - Library networks
1
ZCA - Documentation
1