Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 12 | 4 | COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE | 1181119 |
| 449 | 3 | CRYPTOGRAPHY//COMPUTER SCIENCE, THEORY & METHODS//DIGITAL SIGNATURE | 26889 |
| 483 | 2 | AUTHENTICATION//DIGITAL SIGNATURE//SMART CARD | 15986 |
| 30107 | 1 | CONDITIONAL ACCESS SYSTEM//PAY TV//MOBILE PAY TV | 190 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | CONDITIONAL ACCESS SYSTEM | authKW | 2067089 | 9% | 69% | 18 |
| 2 | PAY TV | authKW | 746438 | 6% | 38% | 12 |
| 3 | MOBILE PAY TV | authKW | 530809 | 2% | 80% | 4 |
| 4 | POINT OF DEPLOYMENT | authKW | 497635 | 2% | 100% | 3 |
| 5 | SMART CARD INTERFACE | authKW | 497635 | 2% | 100% | 3 |
| 6 | OPENCABLE | authKW | 442340 | 2% | 67% | 4 |
| 7 | CONDITIONAL ACCESS SYSTEM CAS | authKW | 373225 | 2% | 75% | 3 |
| 8 | DCAS PROTOCOL | authKW | 331757 | 1% | 100% | 2 |
| 9 | MOBILE OPEN IPTV | authKW | 331757 | 1% | 100% | 2 |
| 10 | MOBILE PAY TV SYSTEMS | authKW | 331757 | 1% | 100% | 2 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Telecommunications | 6784 | 51% | 0% | 96 |
| 2 | Computer Science, Information Systems | 2127 | 28% | 0% | 53 |
| 3 | Engineering, Electrical & Electronic | 1770 | 56% | 0% | 107 |
| 4 | Computer Science, Software Engineering | 1625 | 22% | 0% | 41 |
| 5 | Computer Science, Hardware & Architecture | 1005 | 13% | 0% | 25 |
| 6 | Computer Science, Theory & Methods | 972 | 20% | 0% | 38 |
| 7 | Computer Science, Artificial Intelligence | 60 | 5% | 0% | 10 |
| 8 | Computer Science, Interdisciplinary Applications | 44 | 5% | 0% | 9 |
| 9 | Instruments & Instrumentation | 38 | 5% | 0% | 10 |
| 10 | Management | 19 | 3% | 0% | 5 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ADV PLATFORMS SERV | 165878 | 1% | 100% | 1 |
| 2 | CIST INFORMAT SECUR TECHNOL | 165878 | 1% | 100% | 1 |
| 3 | DIGITAL SYST MED COMP | 165878 | 1% | 100% | 1 |
| 4 | DIPARTIMENTO INFORMAT PLICAZ R M C OCELLI | 165878 | 1% | 100% | 1 |
| 5 | DTV GRP | 165878 | 1% | 100% | 1 |
| 6 | HANARO REACTOR GRP | 165878 | 1% | 100% | 1 |
| 7 | PC PROD GRP | 165878 | 1% | 100% | 1 |
| 8 | PLATFORM DEVICE | 165878 | 1% | 100% | 1 |
| 9 | SATELLITE BROADCASTING SECT | 165878 | 1% | 100% | 1 |
| 10 | SMART CARE | 165878 | 1% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 99749 | 28% | 1% | 54 |
| 2 | HEWLETT-PACKARD JOURNAL | 24249 | 4% | 2% | 7 |
| 3 | IEEE TRANSACTIONS ON MULTIMEDIA | 11362 | 6% | 1% | 12 |
| 4 | ETRI JOURNAL | 4389 | 4% | 0% | 7 |
| 5 | MULTIMEDIA TOOLS AND APPLICATIONS | 1953 | 4% | 0% | 7 |
| 6 | IEEE CIRCUITS & DEVICES | 1903 | 1% | 1% | 2 |
| 7 | IET INFORMATION SECURITY | 1865 | 1% | 1% | 2 |
| 8 | SECURITY AND COMMUNICATION NETWORKS | 1676 | 2% | 0% | 4 |
| 9 | COMPUTER SCIENCE AND INFORMATION SYSTEMS | 1305 | 1% | 0% | 2 |
| 10 | ELECTRONIC COMMERCE RESEARCH | 811 | 1% | 0% | 1 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | CONDITIONAL ACCESS SYSTEM | 2067089 | 9% | 69% | 18 | Search CONDITIONAL+ACCESS+SYSTEM | Search CONDITIONAL+ACCESS+SYSTEM |
| 2 | PAY TV | 746438 | 6% | 38% | 12 | Search PAY+TV | Search PAY+TV |
| 3 | MOBILE PAY TV | 530809 | 2% | 80% | 4 | Search MOBILE+PAY+TV | Search MOBILE+PAY+TV |
| 4 | POINT OF DEPLOYMENT | 497635 | 2% | 100% | 3 | Search POINT+OF+DEPLOYMENT | Search POINT+OF+DEPLOYMENT |
| 5 | SMART CARD INTERFACE | 497635 | 2% | 100% | 3 | Search SMART+CARD+INTERFACE | Search SMART+CARD+INTERFACE |
| 6 | OPENCABLE | 442340 | 2% | 67% | 4 | Search OPENCABLE | Search OPENCABLE |
| 7 | CONDITIONAL ACCESS SYSTEM CAS | 373225 | 2% | 75% | 3 | Search CONDITIONAL+ACCESS+SYSTEM+CAS | Search CONDITIONAL+ACCESS+SYSTEM+CAS |
| 8 | DCAS PROTOCOL | 331757 | 1% | 100% | 2 | Search DCAS+PROTOCOL | Search DCAS+PROTOCOL |
| 9 | MOBILE OPEN IPTV | 331757 | 1% | 100% | 2 | Search MOBILE+OPEN+IPTV | Search MOBILE+OPEN+IPTV |
| 10 | MOBILE PAY TV SYSTEMS | 331757 | 1% | 100% | 2 | Search MOBILE+PAY+TV+SYSTEMS | Search MOBILE+PAY+TV+SYSTEMS |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |