Class information for:
Level 1: PLANETARY PROTECTION//ASTROBIOLOGY//BIOTECHNOL PLANETARY PROTECT GRP

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
17 4 BIOCHEMISTRY & MOLECULAR BIOLOGY//MICROBIOLOGY//JOURNAL OF BACTERIOLOGY 725599
562 3       ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//ORIGIN OF LIFE//AMINOACYL TRNA SYNTHETASE 17915
1490 2             ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//ORIGIN OF LIFE//PREBIOTIC CHEMISTRY 7843
12480 1                   PLANETARY PROTECTION//ASTROBIOLOGY//BIOTECHNOL PLANETARY PROTECT GRP 933

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLANETARY PROTECTION authKW 1285545 7% 61% 62
2 ASTROBIOLOGY journal 826734 17% 16% 156
3 BIOTECHNOL PLANETARY PROTECT GRP address 773798 5% 55% 42
4 LITHOPANSPERMIA authKW 681198 2% 92% 22
5 PANSPERMIA authKW 675531 4% 50% 40
6 INTERNATIONAL JOURNAL OF ASTROBIOLOGY journal 321855 7% 14% 66
7 SPACECRAFT ASSEMBLY FACILITY authKW 304007 1% 100% 9
8 SPACE LIFE SCI address 232889 4% 17% 40
9 MTA SE GRP BIOPHYS address 216180 1% 80% 8
10 MARS authKW 211592 15% 4% 144

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 15312 53% 0% 492
2 Biology 10985 31% 0% 287
3 Geosciences, Multidisciplinary 10630 39% 0% 367
4 Engineering, Aerospace 5470 12% 0% 110
5 Meteorology & Atmospheric Sciences 1168 11% 0% 98
6 Microbiology 549 11% 0% 106
7 Biophysics 176 6% 0% 56
8 Geochemistry & Geophysics 169 4% 0% 41
9 Chemistry, Analytical 43 5% 0% 42
10 Biotechnology & Applied Microbiology 39 4% 0% 40

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BIOTECHNOL PLANETARY PROTECT GRP 773798 5% 55% 42
2 SPACE LIFE SCI 232889 4% 17% 40
3 MTA SE GRP BIOPHYS 216180 1% 80% 8
4 AEROSP MED 206126 10% 7% 89
5 SPACE POLICY 187630 2% 28% 20
6 QUIM PLASMAS ESTUDIOS PLANETARIOS 160113 2% 30% 16
7 GRP ASTROBIOL 136793 1% 45% 9
8 DESIERTO 135110 1% 67% 6
9 INVEST MEDIO AMBIENTE CENIMA 108090 0% 80% 4
10 ESTEC SRE S 101336 0% 100% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTROBIOLOGY 826734 17% 16% 156
2 INTERNATIONAL JOURNAL OF ASTROBIOLOGY 321855 7% 14% 66
3 ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES 47606 4% 4% 38
4 PLANETARY AND SPACE SCIENCE 23392 7% 1% 64
5 ADVANCES IN SPACE RESEARCH 18680 8% 1% 74
6 ICARUS 9888 6% 1% 53
7 ADVANCES IN SPACE RESEARCH-SERIES 7449 3% 1% 28
8 JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 6265 2% 1% 18
9 ACTA ASTRONAUTICA 4662 3% 0% 29
10 ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE 4577 1% 2% 6

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PLANETARY PROTECTION 1285545 7% 61% 62 Search PLANETARY+PROTECTION Search PLANETARY+PROTECTION
2 LITHOPANSPERMIA 681198 2% 92% 22 Search LITHOPANSPERMIA Search LITHOPANSPERMIA
3 PANSPERMIA 675531 4% 50% 40 Search PANSPERMIA Search PANSPERMIA
4 ASTROBIOLOGY 426494 13% 11% 119 Search ASTROBIOLOGY Search ASTROBIOLOGY
5 SPACECRAFT ASSEMBLY FACILITY 304007 1% 100% 9 Search SPACECRAFT+ASSEMBLY+FACILITY Search SPACECRAFT+ASSEMBLY+FACILITY
6 MARS 211592 15% 4% 144 Search MARS Search MARS
7 EXOBIOLOGY 206548 4% 18% 34 Search EXOBIOLOGY Search EXOBIOLOGY
8 BIOMEX 202671 1% 100% 6 Search BIOMEX Search BIOMEX
9 ATACAMA DESERT 185496 4% 16% 35 Search ATACAMA+DESERT Search ATACAMA+DESERT
10 EXPOSE E 168893 1% 100% 5 Search EXPOSE+E Search EXPOSE+E

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 23400 ASTROBIOL EXTREMOPHILES//AREA GEODINAM INTERNA//GEOCHEM MINERAL MINERAL OURCES
2 172 MARS//MARS SURFACE//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
3 11751 MARTIAN METEORITES//SHERGOTTITE//METEORITICS & PLANETARY SCIENCE
4 37201 PL MATH ASTRON//JETS ACTIVE GALAXIES INTRACLUSTER MEDIUM//PL MATH ASTRON BIOCHEM
5 16547 DEINOCOCCUS RADIODURANS//DEINOCOCCUS//DEINOCOCCACEAE
6 5406 MARS ATMOSPHERE//DUST DEVILS//MARS
7 28688 SPACE TOURISM//SPACE LAW//SPACE POLICY
8 11979 ASTROBIOLOGY//HABITABLE ZONE//PLANETS AND SATELLITES TERRESTRIAL PLANETS
9 15127 SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX
10 8743 BIODETERIORATION//BIORECEPTIVITY//MERISTEMATIC FUNGI

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