计算机科学 ›› 2016, Vol. 43 ›› Issue (1): 251-254.doi: 10.11896/j.issn.1002-137X.2016.01.054
陈元娟,严建峰,刘晓升,杨璐
CHEN Yuan-juan, YAN Jian-feng, LIU Xiao-sheng and YANG Lu
摘要： word2vec是Google推出的一款将词表征为实数值的高效开源工具。采用该工具将时空数据中的每位用户表征为一个实数值向量并预测用户间社交联系的强度。提出了在word2vec学习过程中动态调整学习率的算法——Location-weight算法,根据不同位置的不同用户数目在学习过程中加入位置权重,并探索其对用户社交联系强度预测的影响。实验结果表明,加入位置权重的学习算法提高了用户社交联系强度预测的准确性。
| [1] Pham H,Shahabi C,Liu Y.Ebm:an entropy-based model to infer social strength from spatiotemporal data[C]∥Proceedings of the 2013 International Conference on Management of Data.ACM,2013:265-276 [2] Gonzalez M C,Hidalgo C A,Barabasi A L.Understanding individual human mobility patterns[J].Nature,2008,453(7196):779-782 [3] Cheng Z,Caverlee J,Lee K,et al.Exploring Millions of Foot-prints in Location Sharing Services[C]∥ICWSM.2011:81-88 [4] Lindqvist J,Cranshaw J,Wiese J,et al.I’m the mayor of my house:examining why people use foursquare-a social-driven location sharing application[C]∥Proceedings of the SIGCHI Conference on Human Factors in Computing Systems.ACM,2011:2409-2418 [5] Kostakos V,Venkatanathan J,Reynolds B,et al.Who’s your best friend-targeted privacy attacks In location-sharing social networks[C]∥Proceedings of the 13th International Conference on Ubiquitous Computing.ACM,2011:177-186 [6] Crandall D J,Backstrom L,Cosley D,et al.Inferring social ties from geographic coincidences[J].Proceedings of the National Academy of Sciences,2010,107(52):22436-22441 [7] Cranshaw J,Toch E,Hong J,et al.Bridging the gap between physical location and online social networks[C]∥Proceedings of the 12th ACM International Conference on Ubiquitous Computing.ACM,2010:119-128 [8] Li Q,Zheng Y,Xie X,et al.Mining user similarity based on location history[C]∥Proceedings of the 16th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.ACM,2008:34 [9] Mikolov T,Chen K,Corrado G,et al.Efficient estimation ofword representations in vector space[J].arXiv preprint arXiv:1301.3781,2013 [10] Li Min,Wang Xiao-cong,Zhang Jun,et al.Study on Check-in and Related Behaviors of Location-based Social Network Users[J].Computer Science,2013,0(10):72-76(in Chinese)李敏,王晓聪,张军,等.基于位置的社交网络用户签到及相关行为研究[J].计算机科学,2013,0(10):72-76 [11] Mikolov T,Yih W,Zweig G.Linguistic Regularities in Continuous Space Word Representations[C]∥HLT-NAACL.2013:746-751 [12] Mikolov T,Kombrink S,Burget L,et al.Extensions of recurrent neural network language model[C]∥2011 IEEE International Conference on Acoustics,Speech and Signal Processing (ICASSP).IEEE,2011:5528-5531 |
| No related articles found! |
|
||
首页