Class information for:
Level 1: SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
15306 650 29.3 35%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
343 17086 PLANETARY SYSTEMS//STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SETI Author keyword 68 53% 14% 90
2 EXTRATERRESTRIAL INTELLIGENCE Author keyword 43 62% 7% 45
3 FERMI PARADOX Author keyword 37 81% 3% 22
4 INTERSTELLAR COMMUNICATION Author keyword 31 82% 3% 18
5 ACTIVE SETI Author keyword 20 100% 1% 9
6 STATISTICAL DRAKE EQUATION Author keyword 17 100% 1% 8
7 INTERSTELLAR MESSAGES Author keyword 15 77% 2% 10
8 LOGNORMAL PROBABILITY DENSITIES Author keyword 14 100% 1% 7
9 SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE Author keyword 11 56% 2% 14
10 METI Author keyword 11 57% 2% 13

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 SETI 68 53% 14% 90 Search SETI Search SETI
2 EXTRATERRESTRIAL INTELLIGENCE 43 62% 7% 45 Search EXTRATERRESTRIAL+INTELLIGENCE Search EXTRATERRESTRIAL+INTELLIGENCE
3 FERMI PARADOX 37 81% 3% 22 Search FERMI+PARADOX Search FERMI+PARADOX
4 INTERSTELLAR COMMUNICATION 31 82% 3% 18 Search INTERSTELLAR+COMMUNICATION Search INTERSTELLAR+COMMUNICATION
5 ACTIVE SETI 20 100% 1% 9 Search ACTIVE+SETI Search ACTIVE+SETI
6 STATISTICAL DRAKE EQUATION 17 100% 1% 8 Search STATISTICAL+DRAKE+EQUATION Search STATISTICAL+DRAKE+EQUATION
7 INTERSTELLAR MESSAGES 15 77% 2% 10 Search INTERSTELLAR+MESSAGES Search INTERSTELLAR+MESSAGES
8 LOGNORMAL PROBABILITY DENSITIES 14 100% 1% 7 Search LOGNORMAL+PROBABILITY+DENSITIES Search LOGNORMAL+PROBABILITY+DENSITIES
9 SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE 11 56% 2% 14 Search SEARCH+FOR+EXTRATERRESTRIAL+INTELLIGENCE Search SEARCH+FOR+EXTRATERRESTRIAL+INTELLIGENCE
10 METI 11 57% 2% 13 Search METI Search METI

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SETI 60 83% 5% 34
2 EXTRATERRESTRIAL INTELLIGENCE 53 89% 4% 24
3 DRAKE EQUATION 23 100% 2% 10
4 GALACTIC HABITABLE ZONE 12 58% 2% 14
5 NEARBY SUPERNOVAE 11 69% 1% 9
6 FOSSIL DIVERSITY 5 54% 1% 7
7 ASTROPHYSICAL IONIZING RADIATION 4 75% 0% 3
8 GALACTIC CIVILIZATIONS 4 75% 0% 3
9 ICE AGE EPOCHS 4 44% 1% 7
10 DYSON SPHERES 3 100% 0% 3

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 JBIS-JOURNAL OF THE BRITISH INTERPLANETARY SOCIETY 6 13% 7% 43
2 INTERNATIONAL JOURNAL OF ASTROBIOLOGY 5 11% 6% 42

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Cosmic rays and terrestrial life: A brief review 2014 3 32 34%
Astrophysical Ionizing Radiation and Earth: A Brief Review and Census of Intermittent Intense Sources 2011 19 96 27%
The search for extra-terrestrial intelligence 2011 2 1 100%
On the "Galactic Habitable Zone" 2008 15 22 32%
Fear, pandemonium, equanimity and delight: human responses to extra-terrestrial life 2011 6 9 44%
FOCAL mission to 550 thru 1000 AU: Status review 2009 2010 0 3 100%
Is life what we make of it? 2011 2 5 60%
Ionizing Radiation and Life 2011 23 272 12%
The search for extraterrestrial intelligence (SETI) 2001 60 29 31%
Laydown of a tether from Earth visible location to far side for lunar SETI 2000 1 1 100%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 SETI PERMANENT COMM 6 100% 0.6% 4
2 SETI PERMANENT STUDY GRP 3 100% 0.5% 3
3 FUTURE HUMANITY 1 18% 0.6% 4
4 A KOYRE 1 50% 0.2% 1
5 ALLEN TELESCOPE ARRAY 1 50% 0.2% 1
6 DEP SOILS 1 50% 0.2% 1
7 INFRARED PROC ANAL IPAC 1 50% 0.2% 1
8 MATH PHYS SCI DIRECTORATE 1 50% 0.2% 1
9 MNGN 1 50% 0.2% 1
10 OZ OSETI PROJECT 1 50% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000196475 EXTRASOLAR TERRESTRIAL PLANETS//PLANETARY CLIMATE//HABITABLE ZONE
2 0.0000090213 LITHOPANSPERMIA//BIOTECHNOL PLANETARY PROTECT GRP//PLANETARY PROTECTION
3 0.0000054338 RADIO CONTINUUM GENERAL//PROJECT COMPREHENS ORG//PULSARS INDIVIDUAL B083406
4 0.0000046595 LIQUID MIRRORS//MASSIVE CONTROL//METAL LIQUID LIKE FILMS
5 0.0000044262 INITIAL CONDITIONS AND ETERNAL UNIVERSE//PHILOSOPHY OF COSMOLOGY//COSMOL
6 0.0000042998 MALT//BE 10//METEORIC BE 10
7 0.0000042958 APPALACHIAN REGIONAL COMMISSION//OPERATING UNIT ISHIKAWA KANAZAWA//ORG OURCES HUMAINES
8 0.0000037476 FUTURES EDUCATION//EXISTENTIAL RISK//OPPORTUNITY INITIATED SYSTEMS DESIGN
9 0.0000036451 IONIZATION MODEL//ATMOSPHERIC IONIZATION//PLANETARY IONOSPHERES AND ATMOSPHERES
10 0.0000032324 CONSPIRACY THEORIES//CONSPIRACY BELIEFS//STATE CRIMES AGAINST DEMOCRACY