Class information for:
Level 1: CRYOGENIC CURRENT COMPARATOR//IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//RESISTANCE MEASUREMENT

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
26 4 ENGINEERING, ELECTRICAL & ELECTRONIC//ELECT ENGN//IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 322555
602 3       METROLOGIA//IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//TRANSITION EDGE SENSOR 14519
1952 2             IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//METROLOGIA//JOSEPHSON ARRAYS 6104
16064 1                   CRYOGENIC CURRENT COMPARATOR//IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//RESISTANCE MEASUREMENT 702

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CRYOGENIC CURRENT COMPARATOR authKW 1011614 4% 87% 26
2 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT journal 599098 50% 4% 348
3 RESISTANCE MEASUREMENT authKW 587205 6% 30% 44
4 AC QUANTUM HALL EFFECT authKW 404050 1% 100% 9
5 COAXIAL BRIDGES authKW 404050 1% 100% 9
6 RESISTANCE STANDARD authKW 380275 2% 71% 12
7 CURRENT COMPARATORS authKW 338422 2% 54% 14
8 CAPACITANCE STANDARD authKW 319247 1% 89% 8
9 FOUR TERMINAL PAIR authKW 314261 1% 100% 7
10 QUANTIZED HALL RESISTANCE authKW 303033 1% 75% 9

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Instruments & Instrumentation 45281 79% 0% 554
2 Engineering, Electrical & Electronic 6355 56% 0% 390
3 Engineering, General 1306 11% 0% 76
4 Physics, Applied 948 25% 0% 179
5 Physics, Multidisciplinary 38 5% 0% 36
6 Physics, Condensed Matter 1 3% 0% 21
7 Engineering, Manufacturing 0 0% 0% 3
8 History & Philosophy of Science 0 0% 0% 1
9 Materials Science, Paper & Wood 0 0% 0% 1
10 Computer Science, Hardware & Architecture -0 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LF HF IMPEDANCE DC STAND 187058 1% 83% 5
2 QUANTUM METROL GRP 179578 1% 100% 4
3 LF HF IMPEDANCE DC METROL 134683 0% 100% 3
4 ELECT QUANT METROL 112231 1% 50% 5
5 MEASUREMENT SCI ELECT CONTROL 95063 1% 35% 6
6 CENT IND ELECT 80808 0% 60% 3
7 ELE OMAGNET TIME METROL 73455 1% 27% 6
8 ELECT ELECT ELECT ENGN 67339 0% 50% 3
9 QUANTUM STAND 59858 0% 67% 2
10 ELECT METROL 53237 2% 11% 11

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 599098 50% 4% 348
2 METROLOGIA 58931 9% 2% 61
3 PTB-MITTEILUNGEN 23485 2% 4% 12
4 MAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA 19930 2% 4% 12
5 MEASUREMENT 9146 4% 1% 30
6 JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY 6573 2% 1% 12
7 MEASUREMENT TECHNIQUES 4869 2% 1% 15
8 INSTRUMENTS & CONTROL SYSTEMS 3205 0% 7% 1
9 MEASUREMENT TECHNIQUES USSR 2314 1% 1% 6
10 IEE PROCEEDINGS-SCIENCE MEASUREMENT AND TECHNOLOGY 2264 1% 1% 6

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CRYOGENIC CURRENT COMPARATOR 1011614 4% 87% 26 Search CRYOGENIC+CURRENT+COMPARATOR Search CRYOGENIC+CURRENT+COMPARATOR
2 RESISTANCE MEASUREMENT 587205 6% 30% 44 Search RESISTANCE+MEASUREMENT Search RESISTANCE+MEASUREMENT
3 AC QUANTUM HALL EFFECT 404050 1% 100% 9 Search AC+QUANTUM+HALL+EFFECT Search AC+QUANTUM+HALL+EFFECT
4 COAXIAL BRIDGES 404050 1% 100% 9 Search COAXIAL+BRIDGES Search COAXIAL+BRIDGES
5 RESISTANCE STANDARD 380275 2% 71% 12 Search RESISTANCE+STANDARD Search RESISTANCE+STANDARD
6 CURRENT COMPARATORS 338422 2% 54% 14 Search CURRENT+COMPARATORS Search CURRENT+COMPARATORS
7 CAPACITANCE STANDARD 319247 1% 89% 8 Search CAPACITANCE+STANDARD Search CAPACITANCE+STANDARD
8 FOUR TERMINAL PAIR 314261 1% 100% 7 Search FOUR+TERMINAL+PAIR Search FOUR+TERMINAL+PAIR
9 QUANTIZED HALL RESISTANCE 303033 1% 75% 9 Search QUANTIZED+HALL+RESISTANCE Search QUANTIZED+HALL+RESISTANCE
10 QUADRATURE BRIDGE 269366 1% 100% 6 Search QUADRATURE+BRIDGE Search QUADRATURE+BRIDGE

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 13877 JOSEPHSON ARRAYS//VOLTAGE STANDARD//JOSEPHSON VOLTAGE STANDARD
2 14504 THERMAL CONVERTER//AC DC TRANSFER//IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
3 9394 AVOGADRO CONSTANT//WATT BALANCE//KILOGRAM
4 2071 QUANTUM HALL EFFECT//INTEGER QUANTUM HALL EFFECT//BREAKDOWN OF QUANTUM HALL EFFECT
5 35199 COMPRESSED GAS CAPACITORS//EQUIVALENT CIRCUIT OF MARX GENERATOR//GERMAN STAND
6 3472 SINGLE ELECTRON TRANSISTOR//SINGLE ELECTRON TRANSISTOR SET//COULOMB BLOCKADE
7 11025 EPITAXIAL GRAPHENE//LEHRSTUHL TECH PHYS//TERAHERTZ MAT ANAL
8 38163 ANALOG SCRAMBLER//SINUSOIDAL FREQUENCY DIVIDERS//SYNCHRONOUS UNDERSAMPLING
9 13679 CAPACITIVE SENSOR//CAPACITANCE TO DIGITAL CONVERTER CDC//SENSOR ELECTRONIC INTERFACE
10 35584 WIRE SCANNER//ACCELERATOR SCI ESTAB//COLD WATER

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