地理信息科学，目前主要从事基于时空大数据的人文社会科学研究。

ISI Profile: http://www.researcherid.com/rid/D-4022-2012

Google Scholar Profile:https://scholar.google.com/citations?user=Xh_lRY4AAAAJ&hl=zh-CN

1.地理空间模型与分析方法(41625003)，自然科学基金，项目负责，2017-2021

2.基于海量时空数据的城市居民移动模式研究(41271386)，自然科学基金，项目负责，2013-2015

3.定性地理空间知识不确定性表达和推理及其在地理信息检索中的应用(41171296)，自然科学基金，主要负责，2012-2015

4.流域水环境风险评估与预警平台构建共性技术研究(2009ZX07528-004)，“水体污染控制与治理”国家重大科技专项，主要负责，2009-2012

5.顾及语义的中文广义地名智能服务(2007AA12Z216)，国家863项目，负责人，2007-2009

1. L. Shi, L. Wu, G. Chi, Y. Liu*, Geographical impacts on social networks from perspectives of space and place: An empirical study using mobile phone data. Journal of Geographical Systems, 2016, 18(4), 359-376. (10.1007/s10109-016-0236-8)
2. G. Chi, J.-C. Thill, D. Tong, L. Shi, Y. Liu*, Uncovering regional characteristics from mobile phone data: a network science approach. Papers in Regional Science. 2016, 95(3), 613-631. (doi: 10.1111/pirs.12149)
3. L. Gong, X. Liu, L. Wu, Y. Liu*, Inferring trip purposes and uncovering travel patterns from taxi trajectory data. Cartography and Geographic Information Science. 2016, 43(2), 103-114. (doi: 10.1080/15230406. 2015.1014424)
4. X. Liu, C. Kang, L. Gong, Y. Liu*, Incorporating spatial interaction patterns in classifying and understanding urban land use. International Journal of Geographical Information Science. 2016, 30(2): 334-350. (doi: 10.1080/13658816.2015.1086923)
5. Y. Liu, X. Liu, S. Gao, L. Gong, C. Kang, Y. Zhi, G. Chi, L. Shi, Social sensing: A new approach to understanding our socio-economic environments. Annals of the Association of American Geographers. 2015, 105(3), 512-530. (doi: 10.1080/00045608.2015.1018773)
6. Y. Liu, D. Tong, X. Liu, Measuring spatial autocorrelation of vectors. Geographical Analysis. 2015, 47(3), 300-319. (doi: 10.1111/gean.12069)
7. X. Liu, L. Gong, Y. Gong, Y. Liu*, Revealing travel patterns and city structure with taxi trip data. Journal of Transport Geography, 2015, 43, 78-90. (doi: 10.1016/j.jtrangeo.2015.01.016)
8. Y. Liu, Z. Sui, C. Kang, Y. Gao, Uncovering patterns of inter-urban trip and spatial interaction from social media check-in data. PLOS ONE, 2014, 9(1), e86026. (doi: 10.1371/journal. pone.0086026)
9. Y. Liu, F. Wang, C. Kang, Y. Gao, Y. Lu, Analyzing relatedness by toponym co-occurrences on web pages. Transactions in GIS. 2014, 18(1), 89-107 (doi: 10.1111/tgis.12023)
10. C. Kang, Y. Zhang, X. Ma, Y. Liu*, Inferring properties and revealing geographical impacts of intercity mobile communication network of China using a subnet data set, International Journal of Geographical Information Science. 2013, 27(3), 431-448. (doi: 10.1080/13658816.2012.689838)

1. Y. Liu, Social sensing: A new approach to understarnding socioeconomic environments to embrace the big data challenge, 2014, Mississippi State University.
2. Y. Liu, Investigating the Spatio-Temporal Patterns Using Taxi Trajectories in China, 2012, University of Georgia

2009年获第十届全国青年地理科技奖

2012年获中国地理信息科技进步一等奖

Computers, Environment and Urban Systems编委，副主编(2013-)

Journal of Spatial Information Sciences编委(2007-)

国际华人地理信息科学协会(CPGIS)会员、理事会成员(2014-2015)

美国地理学家协会会员(2013-)

中国地理学会青年工作委员会副主任(2013-)

中国地理学会地图学与地理信息系统专业委员会委员(2010-)

中国地理信息产业协会理论与方法工作委员会委员(2011-)