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 |
|---|---|---|---|
| 1 | 4 | PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY | 2188495 |
| 195 | 3 | GAN//GALLIUM NITRIDE//NITRIDES | 53830 |
| 2074 | 2 | INITIAL STRESS//IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL//PIEZOELECT DEVICE | 5627 |
| 11002 | 1 | IEEE TRANSACTIONS ON SONICS AND ULTRASONICS//UNIDIRECTIONAL TRANSDUCER//SAW | 1045 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | IEEE TRANSACTIONS ON SONICS AND ULTRASONICS | journal | 304991 | 5% | 18% | 56 |
| 2 | UNIDIRECTIONAL TRANSDUCER | authKW | 271417 | 1% | 75% | 12 |
| 3 | SAW | authKW | 253530 | 6% | 15% | 58 |
| 4 | IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | journal | 228844 | 20% | 4% | 207 |
| 5 | NSPUDT | authKW | 214456 | 1% | 89% | 8 |
| 6 | SAW FILTER | authKW | 183376 | 1% | 41% | 15 |
| 7 | BGS WAVE | authKW | 180948 | 1% | 100% | 6 |
| 8 | SAW GRATING REFLECTOR | authKW | 180948 | 1% | 100% | 6 |
| 9 | BALL SAW DEVICE | authKW | 150790 | 0% | 100% | 5 |
| 10 | EXCELLENT TCF | authKW | 150790 | 0% | 100% | 5 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Acoustics | 27599 | 31% | 0% | 321 |
| 2 | Engineering, Electrical & Electronic | 8210 | 52% | 0% | 543 |
| 3 | Physics, Applied | 3360 | 37% | 0% | 391 |
| 4 | Telecommunications | 988 | 9% | 0% | 92 |
| 5 | Audiology & Speech-Language Pathology | 49 | 1% | 0% | 11 |
| 6 | Instruments & Instrumentation | 10 | 2% | 0% | 20 |
| 7 | Transportation Science & Technology | 7 | 0% | 0% | 5 |
| 8 | Materials Science, Characterization, Testing | 3 | 0% | 0% | 4 |
| 9 | Computer Science, Hardware & Architecture | 2 | 1% | 0% | 6 |
| 10 | Film, Radio, Television | 2 | 0% | 0% | 1 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | SAW DESIGN BUR | 150790 | 0% | 100% | 5 |
| 2 | MICROSYST TECHNOL ELECT MEASUREMENT TESTIN | 60316 | 0% | 100% | 2 |
| 3 | PN LEBEDEV PHYS STUDIES | 60316 | 0% | 100% | 2 |
| 4 | RISC GRP DENMARK | 60316 | 0% | 100% | 2 |
| 5 | SAW | 45234 | 0% | 50% | 3 |
| 6 | IPPT | 43853 | 1% | 18% | 8 |
| 7 | EP 63 | 40209 | 0% | 67% | 2 |
| 8 | MEDIA DEVICES | 40209 | 0% | 67% | 2 |
| 9 | MICRODEVICE RD | 40209 | 0% | 67% | 2 |
| 10 | CENTURY PKWY | 30158 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE TRANSACTIONS ON SONICS AND ULTRASONICS | 304991 | 5% | 18% | 56 |
| 2 | IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 228844 | 20% | 4% | 207 |
| 3 | JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 23861 | 15% | 1% | 157 |
| 4 | JAPANESE JOURNAL OF APPLIED PHYSICS | 13159 | 8% | 1% | 85 |
| 5 | SOVIET PHYSICS ACOUSTICS-USSR | 11351 | 2% | 1% | 26 |
| 6 | RADIOTEKHNIKA I ELEKTRONIKA | 7942 | 3% | 1% | 34 |
| 7 | JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 7785 | 3% | 1% | 29 |
| 8 | ELECTRONICS LETTERS | 4530 | 7% | 0% | 78 |
| 9 | JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 3860 | 1% | 1% | 9 |
| 10 | ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS | 3401 | 1% | 1% | 12 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | UNIDIRECTIONAL TRANSDUCER | 271417 | 1% | 75% | 12 | Search UNIDIRECTIONAL+TRANSDUCER | Search UNIDIRECTIONAL+TRANSDUCER |
| 2 | SAW | 253530 | 6% | 15% | 58 | Search SAW | Search SAW |
| 3 | NSPUDT | 214456 | 1% | 89% | 8 | Search NSPUDT | Search NSPUDT |
| 4 | SAW FILTER | 183376 | 1% | 41% | 15 | Search SAW+FILTER | Search SAW+FILTER |
| 5 | BGS WAVE | 180948 | 1% | 100% | 6 | Search BGS+WAVE | Search BGS+WAVE |
| 6 | SAW GRATING REFLECTOR | 180948 | 1% | 100% | 6 | Search SAW+GRATING+REFLECTOR | Search SAW+GRATING+REFLECTOR |
| 7 | BALL SAW DEVICE | 150790 | 0% | 100% | 5 | Search BALL+SAW+DEVICE | Search BALL+SAW+DEVICE |
| 8 | EXCELLENT TCF | 150790 | 0% | 100% | 5 | Search EXCELLENT+TCF | Search EXCELLENT+TCF |
| 9 | ZERO TCF | 150790 | 0% | 100% | 5 | Search ZERO+TCF | Search ZERO+TCF |
| 10 | SURFACE ACOUSTIC WAVE | 142316 | 7% | 7% | 68 | Search SURFACE+ACOUSTIC+WAVE | Search SURFACE+ACOUSTIC+WAVE |
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 |