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 |
|---|---|---|---|
| 23 | 4 | ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON | 393400 |
| 1 | 3 | ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON | 234120 |
| 1036 | 2 | PLANETARY SYSTEMS//PLANETS AND SATELLITES FORMATION//TECHNIQUES RADIAL VELOCITIES | 10481 |
| 15127 | 1 | SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX | 756 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SETI | authKW | 3433623 | 14% | 77% | 107 |
| 2 | EXTRATERRESTRIAL INTELLIGENCE | authKW | 1966929 | 9% | 69% | 68 |
| 3 | FERMI PARADOX | authKW | 1047934 | 4% | 93% | 27 |
| 4 | INTERSTELLAR COMMUNICATION | authKW | 710880 | 2% | 95% | 18 |
| 5 | SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE | authKW | 684049 | 3% | 86% | 19 |
| 6 | STARS INDIVIDUAL KIC 8462852 | authKW | 458563 | 1% | 100% | 11 |
| 7 | DRAKE EQUATION | authKW | 430032 | 2% | 74% | 14 |
| 8 | INTERSTELLAR MESSAGES | authKW | 378976 | 1% | 91% | 10 |
| 9 | ACTIVE SETI | authKW | 375188 | 1% | 100% | 9 |
| 10 | METI | authKW | 370791 | 2% | 68% | 13 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Aerospace | 38402 | 34% | 0% | 259 |
| 2 | Astronomy & Astrophysics | 10458 | 49% | 0% | 367 |
| 3 | Geosciences, Multidisciplinary | 2479 | 22% | 0% | 164 |
| 4 | Biology | 2180 | 16% | 0% | 118 |
| 5 | Social Sciences, Interdisciplinary | 459 | 4% | 0% | 33 |
| 6 | International Relations | 278 | 3% | 0% | 21 |
| 7 | Social Issues | 192 | 2% | 0% | 13 |
| 8 | History & Philosophy of Science | 190 | 2% | 0% | 14 |
| 9 | Religion | 123 | 2% | 0% | 13 |
| 10 | Multidisciplinary Sciences | 76 | 2% | 0% | 15 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | SETI PERMANENT COMM | 208438 | 1% | 100% | 5 |
| 2 | ASTRON SCI EDUC | 166750 | 1% | 100% | 4 |
| 3 | CREAT TECHNOL GRP | 148881 | 1% | 71% | 5 |
| 4 | SETI PERMANENT STUDY GRP | 125063 | 0% | 100% | 3 |
| 5 | PROJECT PHOENIX | 83375 | 0% | 100% | 2 |
| 6 | TASK FORCE SCI TECHNOL | 83375 | 0% | 100% | 2 |
| 7 | ALBERTS SETI CHAIR | 41688 | 0% | 100% | 1 |
| 8 | ASTROBIOL MOL BIOL CYANOBACTERIA | 41688 | 0% | 100% | 1 |
| 9 | ASTROPHYS RUMENTAT MODELISAT CEA DSM IR | 41688 | 0% | 100% | 1 |
| 10 | ATTORNEYS COUNSELORS LAW | 41688 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | INTERNATIONAL JOURNAL OF ASTROBIOLOGY | 285967 | 7% | 12% | 56 |
| 2 | ACTA ASTRONAUTICA | 279428 | 27% | 3% | 201 |
| 3 | JBIS-JOURNAL OF THE BRITISH INTERPLANETARY SOCIETY | 194116 | 5% | 12% | 38 |
| 4 | QUARTERLY JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY | 58143 | 3% | 6% | 23 |
| 5 | ASTROBIOLOGY | 57343 | 5% | 4% | 37 |
| 6 | SPACE POLICY | 28305 | 3% | 4% | 19 |
| 7 | ASTRONOMY & GEOPHYSICS | 22389 | 2% | 3% | 16 |
| 8 | EARTH MOON AND PLANETS | 4620 | 2% | 1% | 14 |
| 9 | DISCOVER | 3470 | 0% | 4% | 2 |
| 10 | JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY OF CANADA | 3395 | 1% | 2% | 4 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | SETI | 3433623 | 14% | 77% | 107 | Search SETI | Search SETI |
| 2 | EXTRATERRESTRIAL INTELLIGENCE | 1966929 | 9% | 69% | 68 | Search EXTRATERRESTRIAL+INTELLIGENCE | Search EXTRATERRESTRIAL+INTELLIGENCE |
| 3 | FERMI PARADOX | 1047934 | 4% | 93% | 27 | Search FERMI+PARADOX | Search FERMI+PARADOX |
| 4 | INTERSTELLAR COMMUNICATION | 710880 | 2% | 95% | 18 | Search INTERSTELLAR+COMMUNICATION | Search INTERSTELLAR+COMMUNICATION |
| 5 | SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE | 684049 | 3% | 86% | 19 | Search SEARCH+FOR+EXTRATERRESTRIAL+INTELLIGENCE | Search SEARCH+FOR+EXTRATERRESTRIAL+INTELLIGENCE |
| 6 | STARS INDIVIDUAL KIC 8462852 | 458563 | 1% | 100% | 11 | Search STARS+INDIVIDUAL+KIC+8462852 | Search STARS+INDIVIDUAL+KIC+8462852 |
| 7 | DRAKE EQUATION | 430032 | 2% | 74% | 14 | Search DRAKE+EQUATION | Search DRAKE+EQUATION |
| 8 | INTERSTELLAR MESSAGES | 378976 | 1% | 91% | 10 | Search INTERSTELLAR+MESSAGES | Search INTERSTELLAR+MESSAGES |
| 9 | ACTIVE SETI | 375188 | 1% | 100% | 9 | Search ACTIVE+SETI | Search ACTIVE+SETI |
| 10 | METI | 370791 | 2% | 68% | 13 | Search METI | Search METI |
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 |