Class information for:
Level 2: ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//ORIGIN OF LIFE//PREBIOTIC CHEMISTRY

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
1679 1                   ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//ORIGIN OF LIFE//PREBIOTIC CHEMISTRY 2566
5995 1                   HOMOCHIRALITY//ASYMMETRIC AUTOCATALYSIS//ASYMMETRIC AMPLIFICATION 1575
10469 1                   GENETIC CODE//CIRCULAR CODE//EQUIPE BIOINFORMAT THEOR 1091
11060 1                   PROTOCELL//ELECTROFORMATION//ARTIFICIAL CELLS 1040
12480 1                   PLANETARY PROTECTION//ASTROBIOLOGY//BIOTECHNOL PLANETARY PROTECT GRP 933
21038 1                   THERMAL PROTEINOID//BULK ENERGY//PHOSPHATE ANION RADICAL 459
36858 1                   GENETIC INSTRUCTIONS//EXCLUSION ZONE EZ//BIOLOGICAL HEAT ENGINE 92
37201 1                   PL MATH ASTRON//JETS ACTIVE GALAXIES INTRACLUSTER MEDIUM//PL MATH ASTRON BIOCHEM 87

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES journal 1793730 9% 66% 676
2 ORIGIN OF LIFE authKW 1083706 6% 61% 446
3 PREBIOTIC CHEMISTRY authKW 521631 3% 65% 201
4 ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE journal 437907 2% 64% 170
5 GENETIC CODE authKW 358465 3% 44% 204
6 RNA WORLD authKW 290359 2% 52% 140
7 HOMOCHIRALITY authKW 289118 1% 67% 108
8 ASTROBIOLOGY journal 254197 3% 25% 251
9 PROTOCELL authKW 221552 1% 69% 80
10 ORIGINS OF LIFE authKW 196408 1% 65% 75

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Biology 67342 26% 1% 2069
2 Mathematical & Computational Biology 9118 7% 0% 515
3 Chemistry, Multidisciplinary 5259 19% 0% 1493
4 Evolutionary Biology 3923 5% 0% 396
5 Astronomy & Astrophysics 3787 10% 0% 813
6 Geosciences, Multidisciplinary 2560 8% 0% 605
7 Biochemistry & Molecular Biology 2000 17% 0% 1355
8 Chemistry, Physical 972 11% 0% 832
9 Engineering, Aerospace 961 2% 0% 149
10 Genetics & Heredity 848 6% 0% 451

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BIOTECHNOL PLANETARY PROTECT GRP 91977 1% 55% 42
2 EQUIPE BIOINFORMAT THEOR 60248 0% 100% 15
3 CIENCIAS FISIOL CCB 44489 0% 92% 12
4 NAT HIST MUSEUM ECT 36149 0% 100% 9
5 MTA SE GRP BIOPHYS 32532 0% 90% 9
6 PROTOLIFE 32226 0% 47% 17
7 EQUIPE BIOL THEOR 32132 0% 100% 8
8 FDN IST PASTEUR FDN CENCI BOLOGNETTI 32124 0% 67% 12
9 QUIM PREBIOT 30892 0% 77% 10
10 QUIM PLASMAS ESTUDIOS PLANETARIOS 29727 0% 37% 20

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES 1793730 9% 66% 676
2 ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE 437907 2% 64% 170
3 ASTROBIOLOGY 254197 3% 25% 251
4 JOURNAL OF MOLECULAR EVOLUTION 97711 4% 8% 306
5 INTERNATIONAL JOURNAL OF ASTROBIOLOGY 91281 1% 22% 102
6 BIOSYSTEMS 36485 2% 6% 158
7 JOURNAL OF THEORETICAL BIOLOGY 19506 3% 2% 234
8 CHIRALITY 7180 1% 2% 75
9 JOURNAL OF BIOLOGICAL PHYSICS 5957 0% 4% 34
10 BIOLOGY DIRECT 5068 0% 5% 27

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ORIGIN OF LIFE 1083706 6% 61% 446 Search ORIGIN+OF+LIFE Search ORIGIN+OF+LIFE
2 PREBIOTIC CHEMISTRY 521631 3% 65% 201 Search PREBIOTIC+CHEMISTRY Search PREBIOTIC+CHEMISTRY
3 GENETIC CODE 358465 3% 44% 204 Search GENETIC+CODE Search GENETIC+CODE
4 RNA WORLD 290359 2% 52% 140 Search RNA+WORLD Search RNA+WORLD
5 HOMOCHIRALITY 289118 1% 67% 108 Search HOMOCHIRALITY Search HOMOCHIRALITY
6 PROTOCELL 221552 1% 69% 80 Search PROTOCELL Search PROTOCELL
7 ORIGINS OF LIFE 196408 1% 65% 75 Search ORIGINS+OF+LIFE Search ORIGINS+OF+LIFE
8 PREBIOTIC SYNTHESIS 188028 1% 88% 53 Search PREBIOTIC+SYNTHESIS Search PREBIOTIC+SYNTHESIS
9 CHEMICAL EVOLUTION 176692 1% 43% 103 Search CHEMICAL+EVOLUTION Search CHEMICAL+EVOLUTION
10 PLANETARY PROTECTION 152819 1% 61% 62 Search PLANETARY+PROTECTION Search PLANETARY+PROTECTION

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 2


rank cluster_id2 link
1 3178 ELASTIC BENDING ENERGY//BENDING ELASTICITY//SPONTANEOUS CURVATURE
2 1698 EXPERIMENTAL EVOLUTION//EVOLUTIONARY COMPUTATION//RUNTIME ANALYSIS
3 217 METEORITICS & PLANETARY SCIENCE//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS//MARS
4 477 RIBOZYME//RIBOSWITCH//GROUP I INTRON
5 1098 AMINOACYL TRNA SYNTHETASE//RNASE P//TRNA
6 2638 INCLUSION COMPOUNDS//UREA INCLUSION COMPOUNDS//PREFERENTIAL CRYSTALLIZATION
7 1036 PLANETARY SYSTEMS//PLANETS AND SATELLITES FORMATION//TECHNIQUES RADIAL VELOCITIES
8 456 NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS//OLIGONUCLEOTIDES//PEPTIDE NUCLEIC ACID
9 2781 METALLOMICELLE//ARTIFICIAL RIBONUCLEASES//MIMIC HYDROLASE
10 341 MOLECULAR BIOLOGY AND EVOLUTION//EVOLUTIONARY BIOLOGY//GENETICS & HEREDITY

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