Gao Y, Liu Y, Wu L. Geo-workflow model based on Petri nets. Jisuanji Gongcheng/Computer Engineering [Internet]. 2005;31:1-3. 访问链接

Liu Y, Wang X, Jin X, Wu L. On internal cardinal direction relations. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) [Internet]. 2005;3693 LNCS:283-299. 访问链接

Liu Y, Zhang S, Wang L. Model and classification of software connectors. Jisuanji Gongcheng/Computer Engineering [Internet]. 2005;31:77-79. 访问链接

Lin X, Zhang Y, Liu Y. Researches on storage and access technologies of raster data in relational database. Gaojishu Tongxin/Chinese High Technology Letters [Internet]. 2005;15:12-16. 访问链接

Lin X, Zhang Y, Liu Y, Gao Y. Spatial data integrity ensuring mechanism in SDBMS, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 1.; 2005:653-656. 访问链接

Gao Z, Liu Y, Zhou Y, Qin S. Study of topological relations between vague regions in discrete space based on rough sets, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 1.; 2005:604-607. 访问链接

Wang X, Liu Y, Gao Z, Wu L. Landmark-based qualitative reference system, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 2.; 2005:932-935. 访问链接

Wang Y-H, Zhang S-K, Liu Y, Wang L-F. Ripple-effect analysis of software architecture evolution based on reachability matrix. Ruan Jian Xue Bao/Journal of Software [Internet]. 2004;15:1107-1115. 访问链接

Wang Y-H, Liu Y, Wang L-F. SA dynamic evolution model based on static-point transition. Jisuanji Xuebao/Chinese Journal of Computers [Internet]. 2004;27:1451-1456. 访问链接

Gao Y, Wu L, Liu Y. Spatial process modeling. Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis [Internet]. 2004;40:914-921. 访问链接

Wang Y, Liu Y, Zhang S. Study on multi agent-based large scope distributed software architecture. Chinese Journal of Electronics [Internet]. 2004;13:268-271. 访问链接

Liu Y, Lin B, Tang D. UML-G: an object-oriented modeling language for geographical information applications. Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis [Internet]. 2004;40:271. 访问链接

Liu Y, Wang Y, Zhang Y, Lin X, Qin S. GSQL-R: A query language supporting raster data, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 7.; 2004:4414-4417. 访问链接

Liu Y, Gao Y, Gao Z, Wang X. Path reconstruction based on natural language and the uncertainty problems, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 2.; 2004:1216-1219. 访问链接

Wu L, Gao Z, Liu Y, Yu H. Study of uncertainties of hyperspectral image based on Fourier waveform analysis, in International Geoscience and Remote Sensing Symposium (IGARSS).Vol 5.; 2004:3279-3282. 访问链接

Liu Y, Zhang S-K, Wang L-F, Yang F-Q. Component-based software frameworks and role extension form. Ruan Jian Xue Bao/Journal of Software [Internet]. 2003;14:1364-1370. 访问链接

Xie K, Wu Y, Ma X, Liu Y, Liu B, Hessel R. Using contour lines to generate digital elevation models for steep slope areas: A case study of the Loess Plateau in North China. Catena [Internet]. 2003;54:161-171. 访问链接

Liu Y, Zhang S, Wu L, Ye Y. A design pattern in GIS software development: Filter and refine. Beijing Daxue Xuebao Ziran Kexue Ban/Acta Scientiarum Naturalium Universitatis Pekinensis [Internet]. 2001;37:797-803. 访问链接