03. Methods: Initial Search
MAIN INFORMATION ABOUT DATA
Timespan 2008 : 2021
Sources (Journals, Books, etc) 1152
Documents 3566
Average years from publication 3.88
Average citations per documents 16.18
Average citations per year per doc 2.792
References 1
DOCUMENT TYPES
article 3151
article; book chapter 50
article; data paper 5
article; early access 8
article; proceedings paper 4
book 45
book chapter 295
editorial material; book chapter 8
DOCUMENT CONTENTS
Keywords Plus (ID) 9676
Author's Keywords (DE) 8291
AUTHORS
Authors 8381
Author Appearances 12882
Authors of single-authored documents 421
Authors of multi-authored documents 7960
AUTHORS COLLABORATION
Single-authored documents 535
Documents per Author 0.425
Authors per Document 2.35
Co-Authors per Documents 3.61
Collaboration Index 2.63
Annual Scientific Production
Year Articles
2008 3
2009 11
2010 35
2011 51
2012 85
2013 184
2014 210
2015 339
2016 370
2017 484
2018 523
2019 534
2020 559
2021 170
Annual Percentage Growth Rate 36.4179
Most Productive Authors
Authors Articles Authors Articles Fractionalized
1 ZIPF A 50 ZIPF A 15.14
2 SEE L 40 JIANG B 13.45
3 LIU X 35 GOODCHILD MF 11.58
4 WANG Y 33 MOONEY P 11.29
5 FRITZ S 32 LIU X 9.36
6 MOONEY P 29 CHEN Y 8.84
7 LIU Y 26 BROWN G 8.73
8 JIANG B 25 ELWOOD S 8.17
9 BROWN G 23 WANG Y 8.04
10 ZHANG X 22 JOHNSON PA 7.25
Top manuscripts per citations
Paper
1 KITCHIN R, 2014, GEOJOURNAL
2 GOODCHILD MF, 2010, INT J DIGIT EARTH
3 GOODCHILD MF, 2012, SPAT STAT
4 GIRRES JF, 2010, TRANS GIS
5 ELWOOD S, 2012, ANN ASSOC AM GEOGR
6 HAKLAY M, 2013, CROWDSOURCING GEOGR KNOWL : VOLUNTEERED GEOGR INF (VGI) IN THEOR AND PRACT
7 LIU Y, 2015, ANN ASSOC AM GEOGR
8 MACKERRON G, 2013, GLOBAL ENVIRON CHANGE
9 KITCHIN R, 2013, DIALOGUES HUM GEOGR
10 HOUSTON JB, 2015, DISASTERS
DOI TC TCperYear NTC
1 10.1007/s10708-013-9516-8 1045 130.6 34.89
2 10.1080/17538941003759255 557 46.4 7.33
3 10.1016/j.spasta.2012.03.002 441 44.1 10.26
4 10.1111/j.1467-9671.2010.01203.x 380 31.7 5.00
5 10.1080/00045608.2011.595657 375 37.5 8.72
6 10.1007/978-94-007-4587-2_7 351 39.0 8.25
7 10.1080/00045608.2015.1018773 338 48.3 12.17
8 10.1016/j.gloenvcha.2013.03.010 328 36.4 7.71
9 10.1177/2043820613513388 304 33.8 7.14
10 10.1111/disa.12092 302 43.1 10.87
Corresponding Author's Countries
Country Articles Freq SCP MCP MCP_Ratio
1 USA 647 0.2269 553 94 0.145
2 CHINA 348 0.1220 255 93 0.267
3 UNITED KINGDOM 227 0.0796 174 53 0.233
4 GERMANY 214 0.0750 166 48 0.224
5 CANADA 138 0.0484 120 18 0.130
6 ITALY 136 0.0477 107 29 0.213
7 AUSTRALIA 119 0.0417 89 30 0.252
8 NETHERLANDS 101 0.0354 71 30 0.297
9 SPAIN 69 0.0242 51 18 0.261
10 AUSTRIA 68 0.0238 43 25 0.368
SCP: Single Country Publications
MCP: Multiple Country Publications
Total Citations per Country
Country Total Citations Average Article Citations
1 USA 14745 22.790
2 UNITED KINGDOM 5534 24.379
3 GERMANY 4459 20.836
4 CHINA 3672 10.552
5 CANADA 2185 15.833
6 IRELAND 2085 63.182
7 AUSTRALIA 2067 17.370
8 AUSTRIA 2028 29.824
9 ITALY 1692 12.441
10 NETHERLANDS 1555 15.396
Most Relevant Sources
Sources Articles
1 ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 239
2 TRANSACTIONS IN GIS 97
3 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE 96
4 REMOTE SENSING 74
5 SUSTAINABILITY (SWITZERLAND) 73
6 COMPUTERS ENVIRONMENT AND URBAN SYSTEMS 66
7 APPLIED GEOGRAPHY 60
8 INTERNATIONAL JOURNAL OF DIGITAL EARTH 55
9 PLOS ONE 52
10 CARTOGRAPHY AND GEOGRAPHIC INFORMATION SCIENCE 49
Most Relevant Keywords
Author Keywords (DE) Articles Keywords-Plus (ID) Articles
1 VOLUNTEERED GEOGRAPHIC INFORMATION 309 GIS 572
2 CROWDSOURCING 235 VOLUNTEERED GEOGRAPHIC INFORMATION 333
3 SOCIAL MEDIA 210 SOCIAL MEDIA 313
4 CITIZEN SCIENCE 189 CROWDSOURCING 276
5 OPENSTREETMAP 177 MAPPING 266
6 GIS 127 REMOTE SENSING 249
7 VGI 127 INTERNET 227
8 BIG DATA 109 HUMAN 226
9 VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) 87 SPATIAL ANALYSIS 202
10 TWITTER 69 UNITED STATES 197
