Class information for: |
Basic class information |
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 |
118 | 3 | FUEL//ENERGY & FUELS//PYROLYSIS | 71180 |
1429 | 2 | ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS | 8165 |
1616 | 1 | ASPHALTENES//ASPHALTENE PRECIPITATION//ENERGY & FUELS | 2590 |
Terms with highest relevance score |
rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|---|
1 | ASPHALTENES | authKW | 3458682 | 20% | 54% | 530 |
2 | ASPHALTENE PRECIPITATION | authKW | 996682 | 4% | 80% | 102 |
3 | ENERGY & FUELS | journal | 533821 | 29% | 6% | 745 |
4 | ASPHALTENE DEPOSITION | authKW | 360629 | 1% | 87% | 34 |
5 | PETROLEUM SCIENCE AND TECHNOLOGY | journal | 271343 | 10% | 8% | 263 |
6 | VISBREAKING | authKW | 194653 | 1% | 67% | 24 |
7 | GRP INVEST YACIMIENTOS HIDROCARBUROS | address | 179178 | 1% | 82% | 18 |
8 | ENGINEERING, PETROLEUM | WoSSC | 157988 | 25% | 2% | 646 |
9 | VACUUM RESIDUE | authKW | 118920 | 1% | 26% | 37 |
10 | SCALING EQUATION | authKW | 113411 | 1% | 55% | 17 |
Web of Science journal categories |
chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | Engineering, Petroleum | 157988 | 25% | 2% | 646 |
2 | Energy & Fuels | 111897 | 67% | 1% | 1737 |
3 | Engineering, Chemical | 72967 | 69% | 0% | 1792 |
4 | Chemistry, Physical | 893 | 15% | 0% | 393 |
5 | Thermodynamics | 269 | 3% | 0% | 83 |
6 | Chemistry, Applied | 69 | 2% | 0% | 61 |
7 | Geology | 20 | 1% | 0% | 15 |
8 | Spectroscopy | 13 | 1% | 0% | 34 |
9 | Chemistry, Multidisciplinary | 12 | 5% | 0% | 126 |
10 | Chemistry, Analytical | 3 | 2% | 0% | 56 |
Address terms |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | GRP INVEST YACIMIENTOS HIDROCARBUROS | 179178 | 1% | 82% | 18 |
2 | DBR TECHNOL | 107389 | 1% | 55% | 16 |
3 | GRP INVEST FENOMENOS SUPERFICIE MICHAEL POLANYI | 75803 | 0% | 69% | 9 |
4 | PDVSA | 68003 | 1% | 23% | 24 |
5 | CHEM PETR ENGN | 65319 | 7% | 3% | 184 |
6 | UGELSTAD | 61730 | 2% | 13% | 40 |
7 | PROC PETR SYST ENGN | 60834 | 0% | 100% | 5 |
8 | TECHNOL PETR VENEZUELA | 60834 | 0% | 100% | 5 |
9 | FISICOQUIM HIDROCARBUROS | 50693 | 0% | 83% | 5 |
10 | BRANCH MOL ENGN | 48667 | 0% | 100% | 4 |
Journals |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
---|---|---|---|---|---|
1 | ENERGY & FUELS | 533821 | 29% | 6% | 745 |
2 | PETROLEUM SCIENCE AND TECHNOLOGY | 271343 | 10% | 8% | 263 |
3 | FUEL SCIENCE & TECHNOLOGY INTERNATIONAL | 64742 | 1% | 15% | 35 |
4 | FUEL | 59492 | 11% | 2% | 277 |
5 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 26457 | 3% | 2% | 89 |
6 | SPE PRODUCTION & FACILITIES | 14891 | 1% | 6% | 20 |
7 | CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS | 12409 | 1% | 3% | 32 |
8 | JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 10269 | 2% | 1% | 57 |
9 | REVUE DE L INSTITUT FRANCAIS DU PETROLE | 9059 | 1% | 3% | 23 |
10 | PETROLEUM CHEMISTRY | 5935 | 1% | 2% | 31 |
Author Key Words |
chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
---|---|---|---|---|---|---|---|
1 | ASPHALTENES | 3458682 | 20% | 54% | 530 | Search ASPHALTENES | Search ASPHALTENES |
2 | ASPHALTENE PRECIPITATION | 996682 | 4% | 80% | 102 | Search ASPHALTENE+PRECIPITATION | Search ASPHALTENE+PRECIPITATION |
3 | ASPHALTENE DEPOSITION | 360629 | 1% | 87% | 34 | Search ASPHALTENE+DEPOSITION | Search ASPHALTENE+DEPOSITION |
4 | VISBREAKING | 194653 | 1% | 67% | 24 | Search VISBREAKING | Search VISBREAKING |
5 | VACUUM RESIDUE | 118920 | 1% | 26% | 37 | Search VACUUM+RESIDUE | Search VACUUM+RESIDUE |
6 | SCALING EQUATION | 113411 | 1% | 55% | 17 | Search SCALING+EQUATION | Search SCALING+EQUATION |
7 | ASPHALTENE AGGREGATION | 97327 | 0% | 67% | 12 | Search ASPHALTENE+AGGREGATION | Search ASPHALTENE+AGGREGATION |
8 | ASPHALTENE ADSORPTION | 89589 | 0% | 82% | 9 | Search ASPHALTENE+ADSORPTION | Search ASPHALTENE+ADSORPTION |
9 | ASPHALTENE INHIBITORS | 73001 | 0% | 100% | 6 | Search ASPHALTENE+INHIBITORS | Search ASPHALTENE+INHIBITORS |
10 | ONSET PRESSURE | 73001 | 0% | 100% | 6 | Search ONSET+PRESSURE | Search ONSET+PRESSURE |
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 |