Class information for:
Level 1: COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
123 3       ENGINEERING, GEOLOGICAL//JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING//ENGINEERING, PETROLEUM 69565
426 2             INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//ROCK MECHANICS AND ROCK ENGINEERING//ENGINEERING, GEOLOGICAL 16748
3330 1                   COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL 2041

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COALBED METHANE authKW 2677146 12% 68% 255
2 INTERNATIONAL JOURNAL OF COAL GEOLOGY journal 952955 19% 16% 396
3 ENGN COAL GAS CONTROL address 939416 4% 82% 74
4 COAL PERMEABILITY authKW 701813 2% 91% 50
5 COAL ERVOIR address 672476 3% 78% 56
6 ECBM authKW 634412 2% 96% 43
7 COAL AND GAS OUTBURST authKW 434874 2% 72% 39
8 COAL SWELLING authKW 431124 2% 85% 33
9 SAFETY ENGN address 360610 8% 15% 161
10 COAL METHANE FIRE CONTROL address 343860 2% 48% 46

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 72489 61% 0% 1243
2 Geosciences, Multidisciplinary 17350 34% 0% 697
3 Engineering, Petroleum 15856 9% 1% 183
4 Engineering, Chemical 14475 36% 0% 725
5 Mining & Mineral Processing 9776 7% 0% 149
6 Engineering, Geological 4651 6% 0% 119
7 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 272 2% 0% 35
8 Water Resources 240 4% 0% 73
9 Geochemistry & Geophysics 111 3% 0% 56
10 Mineralogy 88 1% 0% 23

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENGN COAL GAS CONTROL 939416 4% 82% 74
2 COAL ERVOIR 672476 3% 78% 56
3 SAFETY ENGN 360610 8% 15% 161
4 COAL METHANE FIRE CONTROL 343860 2% 48% 46
5 ENGN CBM DEV UTILIZAT 302504 1% 85% 23
6 G3 242917 2% 43% 37
7 STRATA MECH 160031 2% 29% 36
8 MINES VENTILAT 123521 0% 100% 8
9 GAS FIRE CONTROL COAL MINE 118765 0% 77% 10
10 COALBED METHANE OURCE ERVOIR FORM 116238 1% 47% 16

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF COAL GEOLOGY 952955 19% 16% 396
2 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 218111 8% 8% 171
3 FUEL 42139 10% 1% 207
4 INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY 41390 2% 9% 31
5 ENERGY EXPLORATION & EXPLOITATION 23822 2% 5% 32
6 ARCHIVES OF MINING SCIENCES 20012 1% 5% 27
7 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES 16803 3% 2% 60
8 ENERGY & FUELS 12779 5% 1% 103
9 TRANSPORT IN POROUS MEDIA 11615 2% 2% 48
10 GOSPODARKA SUROWCAMI MINERALNYMI-MINERAL RESOURCES MANAGEMENT 8153 1% 3% 16

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 COALBED METHANE 2677146 12% 68% 255 Search COALBED+METHANE Search COALBED+METHANE
2 COAL PERMEABILITY 701813 2% 91% 50 Search COAL+PERMEABILITY Search COAL+PERMEABILITY
3 ECBM 634412 2% 96% 43 Search ECBM Search ECBM
4 COAL AND GAS OUTBURST 434874 2% 72% 39 Search COAL+AND+GAS+OUTBURST Search COAL+AND+GAS+OUTBURST
5 COAL SWELLING 431124 2% 85% 33 Search COAL+SWELLING Search COAL+SWELLING
6 ENHANCED COALBED METHANE RECOVERY 340323 1% 96% 23 Search ENHANCED+COALBED+METHANE+RECOVERY Search ENHANCED+COALBED+METHANE+RECOVERY
7 COAL RESERVOIR 329383 1% 89% 24 Search COAL+RESERVOIR Search COAL+RESERVOIR
8 GAS DRAINAGE 318538 1% 74% 28 Search GAS+DRAINAGE Search GAS+DRAINAGE
9 COAL BED METHANE 314109 2% 42% 49 Search COAL+BED+METHANE Search COAL+BED+METHANE
10 COALBED METHANE CBM 284958 2% 56% 33 Search COALBED+METHANE+CBM Search COALBED+METHANE+CBM

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 16314 COAL SOLUBILIZATION//COAL BIODEGRADATION//BIOGENIC GAS
2 3530 SHALE GAS//JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING//LONGMAXI FORMATION
3 21714 DISASTER ADVANCES//STATE LOCAL JOINT ENGN METHANE DRAINAGE COM//EXPLOITAT SW OURCES ENVIRONM HAZARDS
4 36052 THIN SPRAY ON LINER//SHOTCRETE//DRY MIX SHOTCRETE
5 23298 MINE VENTILATION//DUST SUPPRESSION//AUXILIARY VENTILATION
6 12078 ROCKBURST//DEEP COAL OURCE MIN//MINES
7 16427 IGNEOUS INTRUSION//NATURAL COKE//INTERNATIONAL JOURNAL OF COAL GEOLOGY
8 19150 LOW RANK COAL//LIGNITE//MOISTURE READSORPTION
9 20726 WATER INRUSH//KARST TUNNEL//WATER INFLOW
10 24271 UNDERGROUND COAL GASIFICATION//UCG//UNDERGROUND COAL GASIFICATION UCG

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