Class information for:
Level 1: FRASNIAN//DEVONIAN//LATE DEVONIAN

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
11 4 ECOLOGY//ZOOLOGY//MARINE & FRESHWATER BIOLOGY 1214215
313 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//PALAEONTOLOGY 39731
300 2             PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//ORDOVICIAN 18876
8787 1                   FRASNIAN//DEVONIAN//LATE DEVONIAN 1248

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FRASNIAN authKW 1616079 8% 67% 96
2 DEVONIAN authKW 1023924 16% 20% 202
3 LATE DEVONIAN authKW 808578 6% 43% 74
4 FAMENNIAN authKW 694109 5% 43% 64
5 GIVETIAN authKW 601555 4% 53% 45
6 CONODONTS authKW 513405 10% 17% 120
7 FRASNIAN FAMENNIAN BOUNDARY authKW 445443 2% 84% 21
8 HANGENBERG EVENT authKW 434094 2% 90% 19
9 FRASNIAN FAMENNIAN authKW 388487 2% 77% 20
10 UPPER DEVONIAN authKW 384039 3% 39% 39

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Paleontology 217624 56% 1% 703
2 Geology 31733 22% 0% 278
3 Geosciences, Multidisciplinary 12485 37% 0% 461
4 Geography, Physical 4777 11% 0% 133
5 Engineering, Petroleum 309 2% 0% 21
6 Biodiversity Conservation 122 2% 0% 22
7 Geochemistry & Geophysics 47 2% 0% 30
8 Multidisciplinary Sciences 36 1% 0% 15
9 Energy & Fuels 10 2% 0% 24
10 Mineralogy 3 0% 0% 5

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIAMOND GEOL NOBLE MET 101009 0% 100% 4
2 KATEDRA PALEONTOL STRATYG 101009 0% 100% 4
3 EARTH SOC ENVIRONM 82483 1% 47% 7
4 EARTH SCI GEOL PALEONTOL 81806 1% 36% 9
5 WYDZIAL NAUK ZIEMI 74509 1% 27% 11
6 YAKUTSK 55717 1% 28% 8
7 ABT PALAONTOL HIST GEOL 50504 0% 100% 2
8 DO TERRE HIST VIE EVOLUT PALEOBIOSPHERE 50504 0% 100% 2
9 EARTH SYST SCI GEOL 50504 0% 100% 2
10 KATEDRA PALEONTOL STRATYGRAFII 50504 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BULLETIN OF GEOSCIENCES 121094 4% 11% 45
2 GEOLOGICA BELGICA 102151 3% 13% 32
3 JOURNAL OF PALEONTOLOGY 91250 10% 3% 119
4 ACTA PALAEONTOLOGICA POLONICA 52485 4% 4% 47
5 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 51787 10% 2% 127
6 PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS 40124 1% 10% 16
7 NEWSLETTERS ON STRATIGRAPHY 38168 2% 6% 25
8 PALEONTOLOGICHESKII ZHURNAL 30825 3% 4% 34
9 GEOBIOS 29033 4% 3% 45
10 FACIES 18992 2% 3% 24

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 FRASNIAN 1616079 8% 67% 96 Search FRASNIAN Search FRASNIAN
2 DEVONIAN 1023924 16% 20% 202 Search DEVONIAN Search DEVONIAN
3 LATE DEVONIAN 808578 6% 43% 74 Search LATE+DEVONIAN Search LATE+DEVONIAN
4 FAMENNIAN 694109 5% 43% 64 Search FAMENNIAN Search FAMENNIAN
5 GIVETIAN 601555 4% 53% 45 Search GIVETIAN Search GIVETIAN
6 CONODONTS 513405 10% 17% 120 Search CONODONTS Search CONODONTS
7 FRASNIAN FAMENNIAN BOUNDARY 445443 2% 84% 21 Search FRASNIAN+FAMENNIAN+BOUNDARY Search FRASNIAN+FAMENNIAN+BOUNDARY
8 HANGENBERG EVENT 434094 2% 90% 19 Search HANGENBERG+EVENT Search HANGENBERG+EVENT
9 FRASNIAN FAMENNIAN 388487 2% 77% 20 Search FRASNIAN+FAMENNIAN Search FRASNIAN+FAMENNIAN
10 UPPER DEVONIAN 384039 3% 39% 39 Search UPPER+DEVONIAN Search UPPER+DEVONIAN

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 10630 MISSISSIPPIAN//VISEAN//SERPUKHOVIAN
2 14519 STROMATOPOROIDS//TABULATA//STROMATOPOROIDEA
3 11526 CARBONATE PLATFORM//KANSAS INTERDISCIPLINARY CARBONATES CONSORTIUM//FISCHER PLOTS
4 11773 MIOSPORES//PARANA BASIN//PAGANZO BASIN
5 17480 SERPULIDAE//SPIRORBIDAE//TUBE ULTRASTRUCTURE
6 27258 RADIOLARIA//GIONYAMA FORMATION//TYPES OF SYMMETRY
7 7522 PLACODERMI//ACANTHODII//HETEROSTRACI
8 886 ORDOVICIAN//GRAPTOLITES//SILURIAN
9 11727 COLEOIDEA//NAUTILOIDEA//PALEONTOL INVERTEBRATES
10 9473 BLACK SHALE//MOLYBDENUM ISOTOPES//PALEOREDOX

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