Class information for:
Level 1: ROAD LIGHTING//LIGHTING RESEARCH & TECHNOLOGY//STREET LIGHTING

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
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
691 3       COLOR RESEARCH AND APPLICATION//LIGHT POLLUTION//MUNSELL COLOR SCI 8415
3614 2             LIGHT POLLUTION//DMSP OLS//NIGHTTIME LIGHTS 1365
18770 1                   ROAD LIGHTING//LIGHTING RESEARCH & TECHNOLOGY//STREET LIGHTING 560

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ROAD LIGHTING authKW 932417 5% 61% 27
2 LIGHTING RESEARCH & TECHNOLOGY journal 881889 15% 18% 85
3 STREET LIGHTING authKW 764635 4% 54% 25
4 LIGHTING address 650505 9% 23% 51
5 JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY journal 445945 11% 13% 62
6 MINE ILLUMINATION authKW 337673 1% 100% 6
7 HEADLAMPS authKW 275762 1% 70% 7
8 LEUKOS journal 261223 6% 15% 31
9 LIGHTING UNIT address 238342 2% 35% 12
10 CONSPICUITY authKW 218301 3% 26% 15

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Construction & Building Technology 13296 26% 0% 148
2 Ergonomics 7677 11% 0% 62
3 Optics 5502 41% 0% 232
4 Transportation 4369 9% 0% 49
5 Transportation Science & Technology 2712 9% 0% 50
6 Engineering, Civil 1080 13% 0% 71
7 Psychology, Applied 779 6% 0% 34
8 Engineering, Industrial 676 6% 0% 35
9 Social Sciences, Interdisciplinary 641 6% 0% 33
10 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 363 4% 0% 20

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LIGHTING 650505 9% 23% 51
2 LIGHTING UNIT 238342 2% 35% 12
3 GRP LIGHTING TECHNOL SAFETY SUSTAINABIL 175868 1% 63% 5
4 VIRTUAL ENVIRONM IMAGING TECHNOL 172346 1% 44% 7
5 WHITELY PSYCHOL S 128634 1% 57% 4
6 EXCELLENCE LASER SCANNING COE LASR 112558 0% 100% 2
7 LIGHTING TECHNOL 95081 1% 24% 7
8 AUTOMOBILE TRANSPORTAT SAFETY SUPPORT TEC 75037 0% 67% 2
9 GR H EXP S ARCHITECTURE ENGN 75037 0% 67% 2
10 3M 235 38 55 56279 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LIGHTING RESEARCH & TECHNOLOGY 881889 15% 18% 85
2 JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY 445945 11% 13% 62
3 LEUKOS 261223 6% 15% 31
4 LIGHT & ENGINEERING 186122 5% 12% 28
5 JOURNAL OF SAFETY RESEARCH 11189 3% 1% 16
6 TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY 8697 3% 1% 17
7 HUMAN FACTORS 7007 3% 1% 17
8 OPHTHALMIC AND PHYSIOLOGICAL OPTICS 4844 3% 1% 14
9 COLOR RESEARCH AND APPLICATION 3401 2% 1% 10
10 ACCIDENT ANALYSIS AND PREVENTION 3222 3% 0% 17

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ROAD LIGHTING 932417 5% 61% 27 Search ROAD+LIGHTING Search ROAD+LIGHTING
2 STREET LIGHTING 764635 4% 54% 25 Search STREET+LIGHTING Search STREET+LIGHTING
3 MINE ILLUMINATION 337673 1% 100% 6 Search MINE+ILLUMINATION Search MINE+ILLUMINATION
4 HEADLAMPS 275762 1% 70% 7 Search HEADLAMPS Search HEADLAMPS
5 CONSPICUITY 218301 3% 26% 15 Search CONSPICUITY Search CONSPICUITY
6 NIGHT DRIVING 216445 2% 38% 10 Search NIGHT+DRIVING Search NIGHT+DRIVING
7 MESOPIC 200272 2% 32% 11 Search MESOPIC Search MESOPIC
8 ROADWAY LIGHTING 184180 1% 55% 6 Search ROADWAY+LIGHTING Search ROADWAY+LIGHTING
9 HEADLIGHTING 180091 1% 80% 4 Search HEADLIGHTING Search HEADLIGHTING
10 MESOPIC VISION 178325 3% 21% 15 Search MESOPIC+VISION Search MESOPIC+VISION

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 3011 DAYLIGHTING//LIGHTING RESEARCH & TECHNOLOGY//VISUAL COMFORT
2 5468 COLOR RESEARCH AND APPLICATION//COLOR RENDERING//CIECAM02
3 34685 DAYLIGHT SAVING TIME//DAYLIGHT SAVINGS TIME//KGBCC
4 2111 ISOLUMINANCE//VISION RESEARCH//COLOR VISION
5 25830 CLUTTER METRICS//CIENCIAS COMPUTAC IA//SEARCH_2 DATASET
6 14119 SIGHT DISTANCE//TWO LANE HIGHWAYS//HORIZONTAL CURVE
7 14375 LIGHT POLLUTION//DMSP OLS//NIGHTTIME LIGHTS
8 29192 BRAKE RESPONSE TIME//BRAKE LAMPS//DRIVING REACTION TIME
9 9398 MELANOPSIN//IPRGC//INTRINSICALLY PHOTOSENSITIVE RETINAL GANGLION CELLS
10 37099 CORPORATE MEMORY//ASTROPHYS RELAT TEAM//CENTRO ENGENHARIA

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