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-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, 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