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 |
|---|---|---|---|
| 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 |
| 1032 | 1 | COHERENT DETECTION//COHERENT COMMUNICATIONS//OPT NETWORKS GRP | 2922 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | COHERENT DETECTION | authKW | 1301950 | 8% | 53% | 226 |
| 2 | COHERENT COMMUNICATIONS | authKW | 874601 | 4% | 63% | 128 |
| 3 | OPT NETWORKS GRP | address | 518634 | 3% | 55% | 88 |
| 4 | COHERENT OPTICAL COMMUNICATIONS | authKW | 500658 | 2% | 71% | 65 |
| 5 | OPTICAL FIBER COMMUNICATION | authKW | 398729 | 10% | 13% | 287 |
| 6 | QUADRATURE AMPLITUDE MODULATION QAM | authKW | 386529 | 3% | 41% | 88 |
| 7 | COHERENT RECEIVER | authKW | 359440 | 2% | 67% | 50 |
| 8 | JOURNAL OF LIGHTWAVE TECHNOLOGY | journal | 343163 | 21% | 5% | 628 |
| 9 | FIBER NONLINEARITY | authKW | 302678 | 2% | 48% | 59 |
| 10 | ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING OFDM | authKW | 253034 | 7% | 11% | 206 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 140084 | 90% | 1% | 2617 |
| 2 | Telecommunications | 40187 | 32% | 0% | 924 |
| 3 | Engineering, Electrical & Electronic | 26788 | 56% | 0% | 1633 |
| 4 | Physics, Applied | 2999 | 23% | 0% | 663 |
| 5 | Computer Science, Information Systems | 610 | 4% | 0% | 128 |
| 6 | Computer Science, Hardware & Architecture | 476 | 3% | 0% | 75 |
| 7 | Cell & Tissue Engineering | -1 | 0% | 0% | 1 |
| 8 | Transportation Science & Technology | -3 | 0% | 0% | 1 |
| 9 | Parasitiology | -9 | 0% | 0% | 1 |
| 10 | Physics, Fluids & Plasmas | -12 | 0% | 0% | 3 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | OPT NETWORKS GRP | 518634 | 3% | 55% | 88 |
| 2 | PHOTON SYST GRP | 130622 | 2% | 20% | 60 |
| 3 | STATE INFORMAT PHOTON OPT COMMUN | 117913 | 5% | 8% | 138 |
| 4 | NETWORK TRANSMISS | 97058 | 0% | 100% | 9 |
| 5 | VILLARCEAUX | 81083 | 1% | 40% | 19 |
| 6 | ELE OPHOTON | 73939 | 0% | 57% | 12 |
| 7 | STATE OPT COMMUN TECHNOL NETWORKS | 73484 | 1% | 31% | 22 |
| 8 | GRP OPT FIBRE TELECOMMUN SYST | 62740 | 0% | 73% | 8 |
| 9 | UCL ELECT ELECT ENGN | 55460 | 0% | 86% | 6 |
| 10 | PHOTON NETWORKS SYST | 54587 | 0% | 56% | 9 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF LIGHTWAVE TECHNOLOGY | 343163 | 21% | 5% | 628 |
| 2 | IEEE PHOTONICS TECHNOLOGY LETTERS | 162641 | 17% | 3% | 499 |
| 3 | OPTICS EXPRESS | 149634 | 24% | 2% | 701 |
| 4 | IEEE PHOTONICS JOURNAL | 59521 | 4% | 5% | 116 |
| 5 | OPTICAL FIBER TECHNOLOGY | 55287 | 3% | 6% | 80 |
| 6 | JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING | 49870 | 2% | 6% | 72 |
| 7 | PHOTONIC NETWORK COMMUNICATIONS | 7114 | 1% | 3% | 25 |
| 8 | CHINESE OPTICS LETTERS | 6972 | 2% | 1% | 44 |
| 9 | OPTICS COMMUNICATIONS | 5803 | 4% | 0% | 121 |
| 10 | OPTICS LETTERS | 2890 | 3% | 0% | 92 |
Author Key Words |
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 |