Class information for:
Level 1: ATMOSPHER PHYS OPT METROL//ACCREDITATION AND QUALITY ASSURANCE//FOOD FOOD PROC QUAL

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
18 4 CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES 697102
420 3       JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY//CHEMISTRY, ANALYTICAL 30211
2415 2             JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES//JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY//JOURNAL OF RADIOANALYTICAL CHEMISTRY 4412
34529 1                   ATMOSPHER PHYS OPT METROL//ACCREDITATION AND QUALITY ASSURANCE//FOOD FOOD PROC QUAL 124

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ATMOSPHER PHYS OPT METROL address 813341 3% 80% 4
2 ACCREDITATION AND QUALITY ASSURANCE journal 547836 43% 4% 53
3 FOOD FOOD PROC QUAL address 508339 2% 100% 2
4 TESTING LABORATORIES authKW 457503 2% 60% 3
5 ISO IEC 17025 authKW 381245 5% 25% 6
6 EXPT ENDOCRINOL ONCOL G SALVATORE IEOS address 338891 2% 67% 2
7 ISO IEC 17025 STANDARD authKW 338891 2% 67% 2
8 17025 authKW 254170 1% 100% 1
9 ACCREDITATION ACCORDING TO EN 45001 authKW 254170 1% 100% 1
10 ACCREDITATION ASSESSMENT FOR BULGARIA authKW 254170 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Instruments & Instrumentation 4172 57% 0% 71
2 Chemistry, Analytical 2054 55% 0% 68
3 Engineering, Chemical 127 15% 0% 18
4 Chemistry, Applied 114 10% 0% 12
5 Engineering, General 40 5% 0% 6
6 Nuclear Science & Technology 25 5% 0% 6
7 Environmental Sciences 11 6% 0% 8
8 Chemistry, Inorganic & Nuclear 9 4% 0% 5
9 Engineering, Environmental 6 2% 0% 3
10 Computer Science, Interdisciplinary Applications 5 2% 0% 3

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ATMOSPHER PHYS OPT METROL 813341 3% 80% 4
2 FOOD FOOD PROC QUAL 508339 2% 100% 2
3 EXPT ENDOCRINOL ONCOL G SALVATORE IEOS 338891 2% 67% 2
4 AJTUEBGESELL 254170 1% 100% 1
5 COMP SCI MODELING ELECT SYST DIMES 254170 1% 100% 1
6 CORROSAO PORTECAO RECICLAGEM MAT 254170 1% 100% 1
7 DSNQ QUAL MISSION 254170 1% 100% 1
8 FUNDAMENTAL ELECT RUMENTAT M2ESA 254170 1% 100% 1
9 MERCK SERONO QUAL ASSURANCE 254170 1% 100% 1
10 MERCK SERONO TOX GLP 254170 1% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACCREDITATION AND QUALITY ASSURANCE 547836 43% 4% 53
2 CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY 71883 10% 2% 12
3 HEMIJSKA INDUSTRIJA 5378 3% 1% 4
4 MEASUREMENT SCIENCE REVIEW 2766 2% 1% 2
5 MEASUREMENT 2073 5% 0% 6
6 METROLOGY AND MEASUREMENT SYSTEMS 1610 2% 0% 2
7 ROMANIAN REPORTS IN PHYSICS 905 2% 0% 2
8 AGRARFORSCHUNG SCHWEIZ 903 1% 0% 1
9 JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY 903 1% 0% 1
10 EUROPEAN JOURNAL OF INDUSTRIAL ENGINEERING 813 1% 0% 1

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 TESTING LABORATORIES 457503 2% 60% 3 Search TESTING+LABORATORIES Search TESTING+LABORATORIES
2 ISO IEC 17025 381245 5% 25% 6 Search ISO+IEC+17025 Search ISO+IEC+17025
3 ISO IEC 17025 STANDARD 338891 2% 67% 2 Search ISO+IEC+17025+STANDARD Search ISO+IEC+17025+STANDARD
4 17025 254170 1% 100% 1 Search 17025 Search 17025
5 ACCREDITATION ACCORDING TO EN 45001 254170 1% 100% 1 Search ACCREDITATION+ACCORDING+TO+EN+45001 Search ACCREDITATION+ACCORDING+TO+EN+45001
6 ACCREDITATION ASSESSMENT FOR BULGARIA 254170 1% 100% 1 Search ACCREDITATION+ASSESSMENT+FOR+BULGARIA Search ACCREDITATION+ASSESSMENT+FOR+BULGARIA
7 AIR POLLUTION PARTICULATE MATTER LESS THAN 10 MU M PM10 254170 1% 100% 1 Search AIR+POLLUTION+PARTICULATE+MATTER+LESS+THAN+10+MU+M+PM10 Search AIR+POLLUTION+PARTICULATE+MATTER+LESS+THAN+10+MU+M+PM10
8 ANALYTICAL RESEARCH AND DEVELOPMENT PHARMACEUTICAL RESEARCH AND DEVELOPMENT 254170 1% 100% 1 Search ANALYTICAL+RESEARCH+AND+DEVELOPMENT+PHARMACEUTICAL+RESEARCH+AND+DEVELOPMENT Search ANALYTICAL+RESEARCH+AND+DEVELOPMENT+PHARMACEUTICAL+RESEARCH+AND+DEVELOPMENT
9 ASH DISPOSAL SITE 254170 1% 100% 1 Search ASH+DISPOSAL+SITE Search ASH+DISPOSAL+SITE
10 ASH DISPOSAL SITES 254170 1% 100% 1 Search ASH+DISPOSAL+SITES Search ASH+DISPOSAL+SITES

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 38537 DIGITAL GAMMA ACTIVATION AUTORADIOGRAPHY//GAMMA ACTIVATION//2D FILTER FOR ENHANCING IMAGE CONTRAST
2 33781 DECISION THRESHOLD//PRIMARY MEASUREMENT RESULT//BEST ESTIMATES
3 27862 PERCHLORIC ACID DIGESTION//ALPHA TRACK REGISTRATION//ALPHASPECTROSCOPIC MICROSYSTEM
4 4275 ACCREDITATION AND QUALITY ASSURANCE//PROFICIENCY TESTING//MEASUREMENT UNCERTAINTY
5 27833 MULTIPLE CELL MODEL//AIR POLLUTION POTENTIAL//AIR QUALITY MONITORING NETWORK
6 35431 DRAINAGE OF THE CATCHMENT AREA//HBEREICH BAUINGENIEUR GEOINFORMAT WESEN 3//MULTIVARIATE CONTRASTS
7 31723 ASYMMETRIC SPECIFICATION//DAMAGE CONTROL INPUTS//PESTICIDE TAX
8 28330 AR C68397AA//DESIGN QUALIFICATION//HTUPA
9 36936 DEDICATED COMPUTER//BURIED MINES//SOIL SURFACE TEMPERATURES
10 22978 ACCURACY PROFILE//TOTAL ERROR//LERMDV

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