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 |
|---|---|---|---|
| 22 | 4 | AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS | 457813 |
| 58 | 3 | ROBOTICS//AUTOMATION & CONTROL SYSTEMS//JOURNAL OF GUIDANCE CONTROL AND DYNAMICS | 94289 |
| 985 | 2 | JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//ENGINEERING, AEROSPACE//JOURNAL OF THE ASTRONAUTICAL SCIENCES | 10872 |
| 13365 | 1 | SOLAR SAIL//ADV SPACE CONCEPTS//ELECTRIC SOLAR WIND SAIL | 873 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SOLAR SAIL | authKW | 4191989 | 16% | 84% | 138 |
| 2 | ADV SPACE CONCEPTS | address | 991720 | 6% | 55% | 50 |
| 3 | ELECTRIC SOLAR WIND SAIL | authKW | 613704 | 2% | 100% | 17 |
| 4 | ELECTRIC SAIL | authKW | 469303 | 1% | 100% | 13 |
| 5 | ASTEROID DEFLECTION | authKW | 434393 | 2% | 63% | 19 |
| 6 | NON KEPLERIAN ORBITS | authKW | 288802 | 1% | 100% | 8 |
| 7 | ACTA ASTRONAUTICA | journal | 249207 | 23% | 3% | 204 |
| 8 | ESTCUBE 1 | authKW | 221112 | 1% | 88% | 7 |
| 9 | NUCLEAR THERMAL ROCKET | authKW | 185657 | 1% | 86% | 6 |
| 10 | NANOSATELLITE | authKW | 184584 | 2% | 34% | 15 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Aerospace | 173711 | 68% | 1% | 590 |
| 2 | Astronomy & Astrophysics | 2936 | 25% | 0% | 216 |
| 3 | Instruments & Instrumentation | 1922 | 15% | 0% | 134 |
| 4 | Geosciences, Multidisciplinary | 1128 | 14% | 0% | 123 |
| 5 | Meteorology & Atmospheric Sciences | 835 | 9% | 0% | 81 |
| 6 | Mathematics, Interdisciplinary Applications | 395 | 5% | 0% | 46 |
| 7 | Mechanics | 53 | 4% | 0% | 33 |
| 8 | Engineering, Mechanical | 52 | 3% | 0% | 30 |
| 9 | International Relations | 18 | 1% | 0% | 7 |
| 10 | Physics, Fluids & Plasmas | 12 | 1% | 0% | 13 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ADV SPACE CONCEPTS | 991720 | 6% | 55% | 50 |
| 2 | ASTEROID DEFLECT | 136064 | 1% | 54% | 7 |
| 3 | ENGN OURCE STUDIES | 72201 | 0% | 100% | 2 |
| 4 | HUMAN SPACEFLIGHT EXPLORAT | 72201 | 0% | 100% | 2 |
| 5 | SYST DEV OPERAT SUPPORT | 72201 | 0% | 100% | 2 |
| 6 | CREAT DEV HUMANOSPHERE | 72197 | 0% | 50% | 4 |
| 7 | NEW YORK CITY TECHNOL | 46552 | 3% | 6% | 22 |
| 8 | ADV SPACE MISSION STUDIES | 36100 | 0% | 100% | 1 |
| 9 | ADV SPACE TRANSPORTAT PROGRAM TD 15 | 36100 | 0% | 100% | 1 |
| 10 | AERONAUT ASTRONAUT COMP ENGN | 36100 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ACTA ASTRONAUTICA | 249207 | 23% | 3% | 204 |
| 2 | JBIS-JOURNAL OF THE BRITISH INTERPLANETARY SOCIETY | 104753 | 3% | 10% | 30 |
| 3 | JOURNAL OF GUIDANCE CONTROL AND DYNAMICS | 96468 | 14% | 2% | 126 |
| 4 | JOURNAL OF SPACECRAFT AND ROCKETS | 57312 | 10% | 2% | 83 |
| 5 | CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY | 22455 | 4% | 2% | 34 |
| 6 | JOURNAL OF THE ASTRONAUTICAL SCIENCES | 20918 | 3% | 3% | 23 |
| 7 | ADVANCES IN SPACE RESEARCH | 11412 | 6% | 1% | 56 |
| 8 | PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES | 7801 | 1% | 2% | 9 |
| 9 | AEROSPACE SCIENCE AND TECHNOLOGY | 5110 | 2% | 1% | 18 |
| 10 | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 1987 | 1% | 1% | 7 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | SOLAR SAIL | 4191989 | 16% | 84% | 138 | Search SOLAR+SAIL | Search SOLAR+SAIL |
| 2 | ELECTRIC SOLAR WIND SAIL | 613704 | 2% | 100% | 17 | Search ELECTRIC+SOLAR+WIND+SAIL | Search ELECTRIC+SOLAR+WIND+SAIL |
| 3 | ELECTRIC SAIL | 469303 | 1% | 100% | 13 | Search ELECTRIC+SAIL | Search ELECTRIC+SAIL |
| 4 | ASTEROID DEFLECTION | 434393 | 2% | 63% | 19 | Search ASTEROID+DEFLECTION | Search ASTEROID+DEFLECTION |
| 5 | NON KEPLERIAN ORBITS | 288802 | 1% | 100% | 8 | Search NON+KEPLERIAN+ORBITS | Search NON+KEPLERIAN+ORBITS |
| 6 | ESTCUBE 1 | 221112 | 1% | 88% | 7 | Search ESTCUBE+1 | Search ESTCUBE+1 |
| 7 | NUCLEAR THERMAL ROCKET | 185657 | 1% | 86% | 6 | Search NUCLEAR+THERMAL+ROCKET | Search NUCLEAR+THERMAL+ROCKET |
| 8 | NANOSATELLITE | 184584 | 2% | 34% | 15 | Search NANOSATELLITE | Search NANOSATELLITE |
| 9 | POLE SITTER | 180501 | 1% | 100% | 5 | Search POLE+SITTER | Search POLE+SITTER |
| 10 | PLANETARY DEFENSE | 180491 | 1% | 50% | 10 | Search PLANETARY+DEFENSE | Search PLANETARY+DEFENSE |
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 |