Class information for:
Level 1: DRIVING CYCLE//VEHICLE EMISSIONS//TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT

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
341 3       COMBUSTION AND FLAME//COMBUSTION SCIENCE AND TECHNOLOGY//DIESEL ENGINE 37403
607 2             DIESEL ENGINE//EMISSIONS//EXHAUST EMISSIONS 14396
4569 1                   DRIVING CYCLE//VEHICLE EMISSIONS//TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 1791

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DRIVING CYCLE authKW 487117 4% 41% 68
2 VEHICLE EMISSIONS authKW 454582 6% 24% 107
3 TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT journal 393663 10% 13% 179
4 REAL WORLD EMISSIONS authKW 276168 1% 83% 19
5 VEHICLE SPECIFIC POWER authKW 237072 1% 84% 16
6 EMISSION MODEL authKW 203360 2% 34% 34
7 COPERT authKW 202862 1% 82% 14
8 IVE MODEL authKW 193551 1% 100% 11
9 EMISSION FACTORS authKW 191139 4% 16% 67
10 EMISSION INVENTORY authKW 174960 3% 16% 61

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Transportation Science & Technology 97709 30% 1% 530
2 Transportation 43118 15% 1% 274
3 Environmental Sciences 22077 54% 0% 960
4 Meteorology & Atmospheric Sciences 16424 27% 0% 486
5 Engineering, Environmental 11853 21% 0% 375
6 Environmental Studies 9945 14% 0% 244
7 Engineering, Civil 3616 13% 0% 232
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 404 2% 0% 39
9 Engineering, Mechanical 388 6% 0% 101
10 Energy & Fuels 353 5% 0% 98

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CHARLES VIA CIVIL ENVIRONM ENGN 70374 0% 50% 8
2 SUSTAINABLE MOBIL 62683 1% 25% 14
3 TRANSPORT ENVIRONM 60815 1% 31% 11
4 VEHICLE EMISS CONTROL SAFETY 52787 0% 100% 3
5 SUSTAINABLE TRANSPORT UNIT 49541 1% 22% 13
6 VIRGINIA TECH TRANSPORTAT 48696 1% 15% 18
7 COMPETENCIA ESTUDIOS AMBIENTALES 46919 0% 67% 4
8 VEHICLE EMISS CONTROL 39589 0% 75% 3
9 BAY AREA AIR QUAL MANAGEMENT DIST 35191 0% 100% 2
10 ENVIRONM MONITORING DATA INFORMAT 35191 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 393663 10% 13% 179
2 JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 132841 9% 5% 163
3 ATMOSPHERIC ENVIRONMENT 70763 15% 2% 264
4 TRANSPORTATION RESEARCH RECORD 28891 7% 1% 120
5 INTERNATIONAL JOURNAL OF VEHICLE DESIGN 13133 2% 2% 34
6 SCIENCE OF THE TOTAL ENVIRONMENT 12396 7% 1% 125
7 ENVIRONMENTAL SCIENCE & TECHNOLOGY 12266 8% 0% 143
8 DIESEL PROGRESS ENGINES & DRIVES 7035 0% 20% 2
9 TRANSPORTATION RESEARCH RECORD-SERIES 5875 2% 1% 35
10 ATMOSPHERIC POLLUTION RESEARCH 4214 1% 2% 12

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DRIVING CYCLE 487117 4% 41% 68 Search DRIVING+CYCLE Search DRIVING+CYCLE
2 VEHICLE EMISSIONS 454582 6% 24% 107 Search VEHICLE+EMISSIONS Search VEHICLE+EMISSIONS
3 REAL WORLD EMISSIONS 276168 1% 83% 19 Search REAL+WORLD+EMISSIONS Search REAL+WORLD+EMISSIONS
4 VEHICLE SPECIFIC POWER 237072 1% 84% 16 Search VEHICLE+SPECIFIC+POWER Search VEHICLE+SPECIFIC+POWER
5 EMISSION MODEL 203360 2% 34% 34 Search EMISSION+MODEL Search EMISSION+MODEL
6 COPERT 202862 1% 82% 14 Search COPERT Search COPERT
7 IVE MODEL 193551 1% 100% 11 Search IVE+MODEL Search IVE+MODEL
8 EMISSION FACTORS 191139 4% 16% 67 Search EMISSION+FACTORS Search EMISSION+FACTORS
9 EMISSION INVENTORY 174960 3% 16% 61 Search EMISSION+INVENTORY Search EMISSION+INVENTORY
10 DRIVING CHARACTERISTICS 149038 1% 71% 12 Search DRIVING+CHARACTERISTICS Search DRIVING+CHARACTERISTICS

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 15788 AEROSOL PHYS//DIESEL//DIESEL AEROSOL
2 23396 ECO DRIVING//INTELLIGENT SPEED ADAPTATION//EFFICIENT DRIVING
3 22249 CALPUFF//INTAKE FRACTION//AERMOD
4 3553 ELECTRIC VEHICLES//ALTERNATIVE FUEL VEHICLES//BATTERY ELECTRIC VEHICLE
5 26165 PAVEMENT VEHICLE INTERACTION//SUSTAINABLE ROAD PAVEMENTS//RD PAVEMENTS
6 7422 LAND USE REGRESSION//AIR POLLUTION//TRAFFIC
7 16287 ETHANOL GASOLINE BLENDS//SPARK IGNITION ENGINE//EXHAUST EMISSIONS
8 26185 NON HOMOGENEOUS POISSON MODELS//OZONE AIR POLLUTION//EMISSION SOURCE REDUCTION
9 2386 OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//VOLATILE ORGANIC COMPOUNDS
10 16436 IN VEHICLE EXPOSURE//TRANSPORT MICROENVIRONMENT//SUBWAY

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