Class information for:
Level 1: COAL SOLUBILIZATION//COAL BIODEGRADATION//BIOGENIC GAS

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
630 3       GAS HYDRATE//METHANE HYDRATE//OCEAN ACIDIFICATION 12463
2161 2             GAS HYDRATE//MUD VOLCANO//POCKMARKS 5308
16314 1                   COAL SOLUBILIZATION//COAL BIODEGRADATION//BIOGENIC GAS 688

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COAL SOLUBILIZATION authKW 439752 2% 80% 12
2 COAL BIODEGRADATION authKW 320656 1% 100% 7
3 BIOGENIC GAS authKW 309181 3% 38% 18
4 COAL SEAM GAS CSG authKW 280572 1% 88% 7
5 BIOGENIC COALBED METHANE authKW 229040 1% 100% 5
6 COAL BED METHANE authKW 205323 3% 19% 23
7 COALBED METHANE CBM authKW 198737 2% 27% 16
8 SECONDARY BIOGENIC GAS authKW 183228 1% 67% 6
9 COALBED GAS authKW 168646 1% 41% 9
10 COALBED METHANE authKW 158247 5% 10% 36

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 7485 34% 0% 235
2 Geosciences, Multidisciplinary 3632 27% 0% 187
3 Engineering, Petroleum 3493 7% 0% 50
4 Geochemistry & Geophysics 1291 13% 0% 86
5 Biotechnology & Applied Microbiology 1191 19% 0% 128
6 Engineering, Chemical 1024 17% 0% 118
7 Microbiology 391 11% 0% 77
8 Environmental Sciences 324 12% 0% 84
9 Water Resources 242 6% 0% 39
10 Soil Science 116 3% 0% 19

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COAL BED NAT GAS EXCELLENCE 137424 0% 100% 3
2 THARSIS ENERGY 137424 0% 100% 3
3 CBM OURCE ERVOIR FORMAT PROC 114515 1% 50% 5
4 LANZHOU PETR OURCES 91616 0% 100% 2
5 PEDAG MICROBIOL BIOCHIM 61076 0% 67% 2
6 AGR MICROBIAL OURCE PLICAT 45808 0% 100% 1
7 BIOGEN NAT GAS 45808 0% 100% 1
8 BIOL MICROBIOL VET TECHNOL 45808 0% 100% 1
9 BIOPROCESS ENGN UNIT 45808 0% 100% 1
10 CBM OURCES POOLING PROC 45808 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF COAL GEOLOGY 130187 12% 3% 85
2 ZENTRALBLATT FUR BAKTERIOLOGIE PARASITENKUNDE INFEKTIONSKRANKHEITEN UND HYGIENE II ABTEILUNG-NATURWISSENSCHAFTLICHE-MIKROBIOLOGIE DER LANDWIRTSCHAFT DER TECHNOLOGIE 7923 0% 6% 3
3 FUEL PROCESSING TECHNOLOGY 6275 4% 1% 27
4 ORGANIC GEOCHEMISTRY 5355 3% 1% 22
5 OIL & GAS JOURNAL 4231 2% 1% 16
6 GEOMICROBIOLOGY JOURNAL 3472 1% 1% 10
7 APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 3041 5% 0% 31
8 APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY 2865 3% 0% 22
9 AAPG BULLETIN 2806 2% 1% 11
10 GEOCHEMICAL JOURNAL 2505 1% 1% 9

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 COAL SOLUBILIZATION 439752 2% 80% 12 Search COAL+SOLUBILIZATION Search COAL+SOLUBILIZATION
2 COAL BIODEGRADATION 320656 1% 100% 7 Search COAL+BIODEGRADATION Search COAL+BIODEGRADATION
3 BIOGENIC GAS 309181 3% 38% 18 Search BIOGENIC+GAS Search BIOGENIC+GAS
4 COAL SEAM GAS CSG 280572 1% 88% 7 Search COAL+SEAM+GAS+CSG Search COAL+SEAM+GAS+CSG
5 BIOGENIC COALBED METHANE 229040 1% 100% 5 Search BIOGENIC+COALBED+METHANE Search BIOGENIC+COALBED+METHANE
6 COAL BED METHANE 205323 3% 19% 23 Search COAL+BED+METHANE Search COAL+BED+METHANE
7 COALBED METHANE CBM 198737 2% 27% 16 Search COALBED+METHANE+CBM Search COALBED+METHANE+CBM
8 SECONDARY BIOGENIC GAS 183228 1% 67% 6 Search SECONDARY+BIOGENIC+GAS Search SECONDARY+BIOGENIC+GAS
9 COALBED GAS 168646 1% 41% 9 Search COALBED+GAS Search COALBED+GAS
10 COALBED METHANE 158247 5% 10% 36 Search COALBED+METHANE Search COALBED+METHANE

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 3330 COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL
2 17275 PETR MICROBIOL GRP//SOURING//RESERVOIR SOURING
3 9673 SHALE GAS//HYDRAULIC FRACTURING//FRACKING
4 14078 BIODESULFURIZATION//BIOREFINING PROC//DIBENZOTHIOPHENE
5 148 ORGANIC GEOCHEMISTRY//SOURCE ROCK//THERMAL MATURITY
6 16444 DEEP SUBSURFACE//SUBSURFACE//GEOMICROBIOLOGY JOURNAL
7 10941 ANAEROBIC OXIDATION OF METHANE//ANAEROBIC METHANE OXIDATION//ANME
8 1501 LIGNIN PEROXIDASE//MANGANESE PEROXIDASE//PHANEROCHAETE CHRYSOSPORIUM
9 9847 BLOCH DECAY//HUMUS COMPOSITION//A TYPE HUMIC ACID
10 24604 ADSORBED SOIL GAS//STARUNIA//CARPATHIAN REGION

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