Class information for:
Level 1: SPACE POLICY//SPACE AGENCY//US SPACE POLICY

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
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
692 3       SPACE POLICY//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER//RADIATIVE HEAT TRANSFER 8148
3840 2             SPACE POLICY//SPACE TOURISM//SPACE LAW 1007
24723 1                   SPACE POLICY//SPACE AGENCY//US SPACE POLICY 326

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE POLICY journal 4041821 46% 28% 149
2 SPACE AGENCY authKW 290030 1% 100% 3
3 US SPACE POLICY authKW 257802 1% 67% 4
4 SPACE HIST address 249315 2% 37% 7
5 INTERNATIONAL SPACE COOPERATION authKW 193354 1% 100% 2
6 OLAF STAPLEDON authKW 193354 1% 100% 2
7 POLITICAL SUPPORT FOR SPACE EXPLORATION authKW 193354 1% 100% 2
8 SPACE COOPERATION authKW 174016 1% 60% 3
9 SPACE PROGRAM authKW 151051 2% 31% 5
10 SPACE INDUSTRY authKW 134266 2% 28% 5

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 International Relations 44773 50% 0% 164
2 Social Sciences, Interdisciplinary 26101 47% 0% 154
3 Engineering, Aerospace 3535 16% 0% 52
4 History & Philosophy of Science 549 5% 0% 15
5 Social Issues 278 3% 0% 10
6 Management 224 6% 0% 20
7 Public Administration 119 2% 0% 7
8 Planning & Development 94 2% 0% 8
9 Business 89 3% 0% 11
10 Engineering, Industrial 85 3% 0% 10

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE POLICY 302091 5% 21% 15
2 SPACE HIST 249315 2% 37% 7
3 AMES HIST OFF 96677 0% 100% 1
4 CORP DEV EXTERNAL RELAT 96677 0% 100% 1
5 DIRECTORATE MANNED SPACEFLIGHT 96677 0% 100% 1
6 ESA DIRECTORATE MANNED SPACEFLIGHT MICROGRAV 96677 0% 100% 1
7 FUTRON CORP 96677 0% 100% 1
8 GEN DYNAM FT WORTH 96677 0% 100% 1
9 GLOBAL REG SECUR STUDIES 96677 0% 100% 1
10 INT CONTRACT 96677 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE POLICY 4041821 46% 28% 149
2 ACTA ASTRONAUTICA 20745 11% 1% 36
3 ESA BULLETIN-EUROPEAN SPACE AGENCY 8873 1% 3% 3
4 TECHNOLOGY IN SOCIETY 5647 2% 1% 6
5 JOURNAL OF EAST ASIA AND INTERNATIONAL LAW 3714 1% 2% 2
6 TECHNOLOGY AND CULTURE 1795 1% 0% 4
7 SCIENCE AND ENGINEERING ETHICS 1558 1% 0% 4
8 TECHNOVATION 1406 2% 0% 5
9 CHINESE MANAGEMENT STUDIES 1264 1% 1% 2
10 INTERNATIONAL SECURITY 1093 1% 0% 3

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPACE AGENCY 290030 1% 100% 3 Search SPACE+AGENCY Search SPACE+AGENCY
2 SPACE POLICY 270016 3% 31% 9 Search SPACE+POLICY Search SPACE+POLICY
3 US SPACE POLICY 257802 1% 67% 4 Search US+SPACE+POLICY Search US+SPACE+POLICY
4 INTERNATIONAL SPACE COOPERATION 193354 1% 100% 2 Search INTERNATIONAL+SPACE+COOPERATION Search INTERNATIONAL+SPACE+COOPERATION
5 OLAF STAPLEDON 193354 1% 100% 2 Search OLAF+STAPLEDON Search OLAF+STAPLEDON
6 POLITICAL SUPPORT FOR SPACE EXPLORATION 193354 1% 100% 2 Search POLITICAL+SUPPORT+FOR+SPACE+EXPLORATION Search POLITICAL+SUPPORT+FOR+SPACE+EXPLORATION
7 SPACE COOPERATION 174016 1% 60% 3 Search SPACE+COOPERATION Search SPACE+COOPERATION
8 SPACE PROGRAM 151051 2% 31% 5 Search SPACE+PROGRAM Search SPACE+PROGRAM
9 SPACE INDUSTRY 134266 2% 28% 5 Search SPACE+INDUSTRY Search SPACE+INDUSTRY
10 ACTOR FOCUSED 96677 0% 100% 1 Search ACTOR+FOCUSED Search ACTOR+FOCUSED

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 28688 SPACE TOURISM//SPACE LAW//SPACE POLICY
2 37588 CIDA E//DUAL USE EXPORT CONTROLS//MEDIA COVERAGE OF SPACE
3 32849 SPACE POLICY//OCEAN OBSERVATION SYSTEMS//SCIENCE POLICY COMMUNICATION
4 36369 DEFENSE TECHNOLOGY//952//AND OUTCOMES OF CARE
5 32838 FREE SCIENTIFIC SOCIETY//ADAMS P ERS//AMERICAN WAY OF DEATH
6 32477 WILDLIFE DOCUMENTARY//FELIX RODRIGUEZ DE LA FUENTE//FRITZ TODT
7 32611 HENRY TAYLOR//HORACE LAMB//OWENS COLLEGE
8 32899 SPACE LAUNCHER//SPACE TOWER//EVENT RECORDER SYNCHRONIZATION
9 30865 CEA C T//HUECO BOLSON//SPECIAL FEATURE SUSTAINABILITY ON THE US MEXICO BORDER
10 22491 POLICY SCIENCES//JOURNAL OF POLICY ANALYSIS AND MANAGEMENT//FO TRY ENVIRONM STUDIES SOCIAL P

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