Class information for:
Level 1: PASSIVE OPTICAL NETWORK//PASSIVE OPTICAL NETWORK PON//DYNAMIC BANDWIDTH ALLOCATION DBA

Basic class information
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
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
33 3       OPTICS//IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY 112980
78 2             IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION 27533
2899 1                   PASSIVE OPTICAL NETWORK//PASSIVE OPTICAL NETWORK PON//DYNAMIC BANDWIDTH ALLOCATION DBA 2148

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PASSIVE OPTICAL NETWORK authKW 2071929 11% 60% 235
2 PASSIVE OPTICAL NETWORK PON authKW 1900265 9% 64% 202
3 DYNAMIC BANDWIDTH ALLOCATION DBA authKW 867606 3% 95% 62
4 WDM PON authKW 718844 3% 78% 63
5 OPTICAL ACCESS NETWORK authKW 682762 4% 48% 96
6 EPON authKW 666904 3% 78% 58
7 DYNAMIC BANDWIDTH ALLOCATION authKW 558056 3% 57% 67
8 REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER RSOA authKW 517983 2% 72% 49
9 ETHERNET PASSIVE OPTICAL NETWORK EPON authKW 467068 2% 86% 37
10 ETHERNET PASSIVE OPTICAL NETWORK authKW 460808 2% 90% 35

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Telecommunications 86856 54% 1% 1154
2 Optics 59945 69% 0% 1476
3 Engineering, Electrical & Electronic 19990 56% 0% 1209
4 Computer Science, Information Systems 11684 20% 0% 422
5 Computer Science, Hardware & Architecture 8691 12% 0% 248
6 Physics, Applied 866 16% 0% 334
7 Computer Science, Theory & Methods 5 1% 0% 24
8 Computer Science, Software Engineering 1 1% 0% 15
9 Transportation Science & Technology -1 0% 0% 2
10 Operations Research & Management Science -1 0% 0% 8

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPT ZEITGEIST 281950 1% 62% 31
2 NTT ACCESS NETWORK SERV SYST S 198879 3% 21% 64
3 INFORMAT COMMUN S 132877 3% 16% 56
4 TELECOMMUN S ADV TECHNOL 88025 0% 100% 6
5 OPT ACCESS 85353 0% 73% 8
6 SPECIALTY FIBER OPT OPT ACCESS 67060 0% 57% 8
7 VICTORIA 66661 2% 12% 37
8 OPT ACCESS TEAM 58683 0% 100% 4
9 OPT INTERNET 52373 1% 24% 15
10 UBIQUITOUS ACCESS TECHNOL TEAM 44013 0% 100% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING 453673 9% 17% 186
2 JOURNAL OF OPTICAL NETWORKING 133421 3% 16% 57
3 OPTICAL SWITCHING AND NETWORKING 129141 3% 16% 56
4 JOURNAL OF LIGHTWAVE TECHNOLOGY 90600 13% 2% 277
5 OPTICAL FIBER TECHNOLOGY 82990 4% 7% 84
6 PHOTONIC NETWORK COMMUNICATIONS 71965 3% 7% 68
7 IEEE PHOTONICS TECHNOLOGY LETTERS 62251 12% 2% 265
8 IEEE COMMUNICATIONS MAGAZINE 24946 4% 2% 89
9 OPTICS EXPRESS 13189 8% 1% 180
10 IEEE NETWORK 7300 1% 2% 22

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PASSIVE OPTICAL NETWORK 2071929 11% 60% 235 Search PASSIVE+OPTICAL+NETWORK Search PASSIVE+OPTICAL+NETWORK
2 PASSIVE OPTICAL NETWORK PON 1900265 9% 64% 202 Search PASSIVE+OPTICAL+NETWORK+PON Search PASSIVE+OPTICAL+NETWORK+PON
3 DYNAMIC BANDWIDTH ALLOCATION DBA 867606 3% 95% 62 Search DYNAMIC+BANDWIDTH+ALLOCATION+DBA Search DYNAMIC+BANDWIDTH+ALLOCATION+DBA
4 WDM PON 718844 3% 78% 63 Search WDM+PON Search WDM+PON
5 OPTICAL ACCESS NETWORK 682762 4% 48% 96 Search OPTICAL+ACCESS+NETWORK Search OPTICAL+ACCESS+NETWORK
6 EPON 666904 3% 78% 58 Search EPON Search EPON
7 DYNAMIC BANDWIDTH ALLOCATION 558056 3% 57% 67 Search DYNAMIC+BANDWIDTH+ALLOCATION Search DYNAMIC+BANDWIDTH+ALLOCATION
8 REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER RSOA 517983 2% 72% 49 Search REFLECTIVE+SEMICONDUCTOR+OPTICAL+AMPLIFIER+RSOA Search REFLECTIVE+SEMICONDUCTOR+OPTICAL+AMPLIFIER+RSOA
9 ETHERNET PASSIVE OPTICAL NETWORK EPON 467068 2% 86% 37 Search ETHERNET+PASSIVE+OPTICAL+NETWORK+EPON Search ETHERNET+PASSIVE+OPTICAL+NETWORK+EPON
10 ETHERNET PASSIVE OPTICAL NETWORK 460808 2% 90% 35 Search ETHERNET+PASSIVE+OPTICAL+NETWORK Search ETHERNET+PASSIVE+OPTICAL+NETWORK

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


rank cluster_id2 link
1 29673 AUTOMATIC POWER CONTROL APC//BURST MODE LASER DRIVER//TCM TRANSMISSION SYSTEM
2 28128 DIRECTLY MODULATED LASER//COMPENSATING DEVICE//FM AM CONVERSION
3 21055 HOMODYNE CROSSTALK//OPTICAL CROSS CONNECT//BIDIRECTIONAL TRANSMISSION
4 1032 COHERENT DETECTION//COHERENT COMMUNICATIONS//OPT NETWORKS GRP
5 1991 RADIO OVER FIBER ROF//RADIO OVER FIBER//MICROWAVE PHOTONICS
6 35269 EXTERNAL CAVITY SEMICONDUCTOR LASERS ECSLS//FLAT FIBRE//FIBER GRATING LASER
7 11315 SUBCARRIER MULTIPLEXING//COMMUNITY ANTENNA TELEVISION//SUBCARRIER MULTIPLEXING SCM
8 27999 DOCSIS//DATA OVER CABLE SERVICE INTERFACE SPECIFICATION DOCSIS//HYPER MEDIA
9 7353 ELASTIC OPTICAL NETWORKS//JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING//ROUTING AND SPECTRUM ALLOCATION
10 12144 DISTRIBUTED OPTICAL FIBER SENSOR//PHASE SENSITIVE OPTICAL TIME DOMAIN REFLECTOMETRY//OPTICAL TIME DOMAIN REFLECTOMETER OTDR

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