Class information for:
Level 1: PREPAID SERVICES//TROMBONING//CREDIT RESERVATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
28853 198 18.4 21%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
22 3       TELECOMMUNICATIONS//ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 113649
1413 2             MOBILITY MANAGEMENT//TELECOMMUNICATIONS//HANDOFF 8000
28853 1                   PREPAID SERVICES//TROMBONING//CREDIT RESERVATION 198

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PREPAID SERVICES authKW 771097 3% 100% 5
2 TROMBONING authKW 616877 2% 100% 4
3 CREDIT RESERVATION authKW 462658 2% 100% 3
4 INTERNATIONAL ROAMING authKW 352498 2% 57% 4
5 CHARGING DATA RECORD CDR authKW 308439 1% 100% 2
6 COMMUN INFORMAT TECHNOL CIT address 308439 1% 100% 2
7 DIAMETER PROTOCOL authKW 308439 1% 100% 2
8 MOBILE TELECOM SERVICE authKW 308439 1% 100% 2
9 MOBILE TELECOMMUNICATIONS SERVICE authKW 308439 1% 100% 2
10 PERCEIVED QOS authKW 308439 1% 100% 2

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Telecommunications 13111 68% 0% 134
2 Computer Science, Information Systems 4805 40% 0% 80
3 Engineering, Electrical & Electronic 1542 52% 0% 102
4 Computer Science, Hardware & Architecture 1048 13% 0% 26
5 Computer Science, Theory & Methods 874 19% 0% 37
6 Computer Science, Software Engineering 350 10% 0% 20
7 Transportation Science & Technology 245 5% 0% 9
8 Computer Science, Interdisciplinary Applications 23 4% 0% 7
9 Computer Science, Cybernetics 19 1% 0% 2
10 Social Sciences, Mathematical Methods 10 1% 0% 2

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COMMUN INFORMAT TECHNOL CIT 308439 1% 100% 2
2 INFORMAT IFI 308435 2% 50% 4
3 AMITY COMP SCI 154219 1% 100% 1
4 CHAIR ENTERPRISE PLATFORM INTEGRAT CONCEPTS 154219 1% 100% 1
5 COMMU NETWORKS 154219 1% 100% 1
6 COMP RUS 154219 1% 100% 1
7 GLOBAL INTELLIGENT NETWORKS SOLUT 154219 1% 100% 1
8 IC MAINTENANCE DEPOT 83 154219 1% 100% 1
9 IN ARCHITECTURE NEXT GENERAT EVOLUT 154219 1% 100% 1
10 INTERNET STAND TECHNOL 154219 1% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE COMMUNICATIONS MAGAZINE 20100 12% 1% 24
2 WIRELESS COMMUNICATIONS & MOBILE COMPUTING 9613 5% 1% 10
3 IEEE WIRELESS COMMUNICATIONS 5636 3% 1% 6
4 TELECOMMUNICATION SYSTEMS 4602 4% 0% 7
5 IEEE NETWORK 4190 3% 1% 5
6 IEEE COMMUNICATIONS SURVEYS AND TUTORIALS 3759 2% 1% 4
7 BELL LABS TECHNICAL JOURNAL 3123 2% 1% 4
8 INTERNATIONAL JOURNAL OF NETWORK MANAGEMENT 2577 1% 1% 2
9 IEEE PERSONAL COMMUNICATIONS 2514 1% 1% 2
10 COMPUTER COMMUNICATIONS 2218 4% 0% 8

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 PREPAID SERVICES 771097 3% 100% 5 Search PREPAID+SERVICES Search PREPAID+SERVICES
2 TROMBONING 616877 2% 100% 4 Search TROMBONING Search TROMBONING
3 CREDIT RESERVATION 462658 2% 100% 3 Search CREDIT+RESERVATION Search CREDIT+RESERVATION
4 INTERNATIONAL ROAMING 352498 2% 57% 4 Search INTERNATIONAL+ROAMING Search INTERNATIONAL+ROAMING
5 CHARGING DATA RECORD CDR 308439 1% 100% 2 Search CHARGING+DATA+RECORD+CDR Search CHARGING+DATA+RECORD+CDR
6 DIAMETER PROTOCOL 308439 1% 100% 2 Search DIAMETER+PROTOCOL Search DIAMETER+PROTOCOL
7 MOBILE TELECOM SERVICE 308439 1% 100% 2 Search MOBILE+TELECOM+SERVICE Search MOBILE+TELECOM+SERVICE
8 MOBILE TELECOMMUNICATIONS SERVICE 308439 1% 100% 2 Search MOBILE+TELECOMMUNICATIONS+SERVICE Search MOBILE+TELECOMMUNICATIONS+SERVICE
9 PERCEIVED QOS 308439 1% 100% 2 Search PERCEIVED+QOS Search PERCEIVED+QOS
10 CHARGING PROTOCOL 205624 1% 67% 2 Search CHARGING+PROTOCOL Search CHARGING+PROTOCOL

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 GRGIC, T , MATIJASEVIC, M , (2013) AN OVERVIEW OF ONLINE CHARGING IN 3GPP NETWORKS: NEW WAYS OF UTILIZING USER, NETWORK, AND SERVICE-RELATED INFORMATION.INTERNATIONAL JOURNAL OF NETWORK MANAGEMENT. VOL. 23. ISSUE 2. P. 81 -100 15 65% 2
2 KUHNE, R , HUITEMA, G , CARLE, G , (2012) CHARGING AND BILLING IN MODERN COMMUNICATIONS NETWORKS - A COMPREHENSIVE SURVEY OF THE STATE OF THE ART AND FUTURE REQUIREMENTS.IEEE COMMUNICATIONS SURVEYS AND TUTORIALS. VOL. 14. ISSUE 1. P. 170 -192 10 91% 6
3 SANCHEZ-ESGUEVILLAS, A , CARRO, B , CAMARILLO, G , LIN, YB , GARCIA-MARTIN, MA , HANZO, L , (2013) IMS: THE NEW GENERATION OF INTERNET-PROTOCOL-BASED MULTIMEDIA SERVICES.PROCEEDINGS OF THE IEEE. VOL. 101. ISSUE 8. P. 1860 -1881 19 33% 2
4 KURTANSKY, P , STILLER, B , (2006) STATE OF THE ART PREPAID CHARGING FOR IP SERVICES.WIRED/WIRELESS INTERNET COMMUNICATIONS, PROCEEDINGS. VOL. 3970. ISSUE . P. 143-154 7 100% 1
5 SOU, SI , TSAI, DR , (2014) BULK CREDIT RESERVATION IN EVENT-BASED MACHINE TYPE COMMUNICATIONS FOR 3GPP ONLINE CHARGING.COMPUTER NETWORKS. VOL. 75. ISSUE . P. 75 -85 5 100% 1
6 KIM, D , LEE, J , KIM, YG , YOON, B , IN, HP , (2014) 3G IP MULTIMEDIA SUBSYSTEM BASED FRAMEWORK FOR LAWFUL INTERCEPTION.ANNALS OF TELECOMMUNICATIONS. VOL. 69. ISSUE 7-8. P. 347 -361 5 100% 0
7 KURTANSKY, P , STILLER, B , (2005) TIME INTERVAL-BASED PREPAID CHARGING OF QOS-ENABLED IP SERVICES.INTERNET AND NETWORK ECONOMICS, PROCEEDINGS. VOL. 3828. ISSUE . P. 325-335 5 100% 5
8 CHADWICK, DW , SU, L , LABORDE, R , (2008) COORDINATING ACCESS CONTROL IN GRID SERVICES.CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE. VOL. 20. ISSUE 9. P. 1071 -1094 4 80% 2
9 HUITEMA, G , KUHNE, R , MEYER, U , ENSING, H , ZUGENMAIER, A , BIBAS, A , KARASTI, O , RUMPH, FJ , SILJEE, J , (2010) COMPENSATION: ARCHITECTURE FOR SUPPORTING DYNAMICITY AND NEGOTIATION IN ACCOUNTING, CHARGING AND BILLING.COMPUTER COMMUNICATIONS. VOL. 33. ISSUE 15. P. 1823-1833 3 100% 2
10 YANG, WZ , LU, FS , CHANG, MF , (2007) PERFORMANCE MODELING OF INTEGRATED MOBILE PREPAID SERVICES.IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY. VOL. 56. ISSUE 2. P. 899-906 3 100% 2

Classes with closest relation at Level 1


Rank Class id link
1 23836 SIP//CONVERGED NETWORKS SERV//DELAYED UPDATE
2 12286 LOCATION MANAGEMENT//LOCATION UPDATE//PAGING
3 3014 VERTICAL HANDOVER//VERTICAL HANDOFF//HETEROGENEOUS WIRELESS NETWORKS
4 30642 SYSTEMS BEYOND THIRD GENERATION//ICM N PG SP RC//MOBILE AND WIRELESS COMMUNICATIONS
5 34227 UBIQUITOUS STUB ENVIRONMENT//ADOPTION INTENTIONS//AGGREGATION RECONFIGURATION
6 28437 IPTV//CHANNEL ZAPPING TIME//CHANNEL NAVIGATION
7 34378 CHARGEBACK SYSTEMS//CHARGEBACK//ACM CATEGORIES C4 K62
8 3939 CALL ADMISSION CONTROL//HANDOFF//SOFT HANDOFF
9 20702 FLOW TERMINATION//PRE CONGESTION NOTIFICATION//DIFFSERV
10 33630 COMPUTER AIDED QUALITY ASSURANCE//OBJECT DOMAIN//CIEMCIES MATEMAT INFORMAT

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