计算机科学 ›› 2014, Vol. 41 ›› Issue (7): 216-221.doi: 10.11896/j.issn.1002-137X.2014.07.045
李实吉,秦小麟,施竣严
LI Shi-ji,QIN Xiao-lin and SHI Jun-yan
摘要: 移动对象的运动基本是在障碍空间里进行的。近几年,已有较多针对障碍空间中范围查询、近邻查询、聚类查询等的研究,但是目前尚没有对障碍空间中移动对象的位置预测进行研究。为此,研究了障碍空间中移动对象的位置预测;采用灰模型与线性模型相结合的办法,提出了一种基于R树的高效的剪枝算法;根据移动对象的运动规律性,提出了几条剪枝策略,从而大大减少了需要处理的障碍对象个数。最后,通过实验验证了算法的准确性和高效性。
[1] 秦小麟.移动空间数据类型和操作的初步研究[J].计算机科学,2000,27(1):65-68 [2] 邓聚龙.灰色预测与决策[M].武汉:华中理工大学出版社,1989:13-116 [3] Hill T,O’Connor M,Remus W.Neural network models for timeseries forecasts[J].Management science,1996,42(7):1082-1092 [4] Song L,Kotz D,Jain R,et al.Evaluating location predictors with extensive Wi-Fi mobility data[C]∥Twenty-third AnnualJoint Conference of the IEEE Computer and Communications Societies(INFOCOM 2004).IEEE,2004,2:1414-1424 [5] Agrawal R,Imieliński T,Swami A.Mining association rules between sets of items in large databases[J].ACM SIGMOD Record,ACM,1993,22(2):207-216 [6] Chen J,Meng X,Guo Y,et al.Modeling and predicting future trajectories of moving objects in a constrained network[C]∥7th International Conference on Mobile Data Management,2006(MDM 2006).IEEE,2006:156-156 [7] Zhang J,Papadias D,Mouratidis K,et al.Spatial queries in the presence of obstacles[M]∥Advances in Database Technology-EDBT 2004.Springer Berlin Heidelberg,2004:366-384 [8] Gao Y,Zheng B.Continuous obstructed nearest neighbor queries in spatial databases[C]∥Proceedings of the 2009ACM SIGMOD International Conference on Management of data.ACM,2009:577-590 [9] Li C,Gu Y,Li F,et al.Moving k-nearest neighbor query over obstructed regions[C]∥Web Conference(APWEB),201012th International Asia-Pacific.IEEE,2010:29-35 [10] Li Z,Gao Y,Lu Y.Continuous obstructed range queries in spatio-temporal databases[C]∥ 2011International Conference on System Science,Engineering Design and Manufacturing Informatization(ICSEM).IEEE,2011,2:267-270 [11] 李传文,谷峪,李芳芳,等.一种障碍空间中不确定对象的连续最近邻查询方法[J].计算机学报,2010,8:006 [12] Liu Q,Deng M,Shi Y.Adaptive spatial clustering in the pre-sence of obstacles and facilitators[J].Computers & Geosciences,2013,56:104-118 [13] Gao Y,Yang J,Chen G,et al.On efficient obstructed reverse nearest neighbor query processing[C]∥Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geo-graphic Information Systems.ACM,2011:191-200 [14] Gao Y,Zheng B,Chen G,et al.Continuous nearest-neighborsearch in the presence of obstacles[J].ACM Transactions on Database Systems(TODS),2011,36(2):9 [15] 于晓楠,谷峪,张天成,等.一种障碍空间中的反k最近邻查询方法[J].计算机学报,2011,10:1917-1925 [16] De Berg M,Van Kreveld M,Overmars M,et al.Computational geometry[M].Springer,1997:305-315 [17] Pfoser D,Theodoridis Y.Generating semantics-based trajecto-ries of moving objects[J].Computers,Environment and Urban Systems,2003,27(3):243-263 [18] 王志良,杨溢,杨扬,等.一种周期时变马尔可夫室内位置预测模型[J].智能系统学报,2009,4(6):521-527 [19] Tran K,Phung D,Adams B,et al.Indoor location prediction using multiple wireless received signal strengths[C]∥Procee-dings of the 7th Australasian Data Mining Conference-Volume 87.Australian Computer Society,Inc.,2008:187-192 |
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