@article{洪宇_71, author = {[洪宇, 张宇, 刘挺, 李生]}, title = {话题检测与跟踪的评测及研究综述}, publisher = {中文信息学报}, year = {2007}, journal = {中文信息学报}, volume = {21}, number = {6}, eid = {71}, pages = {71-87}, keywords = {计算机应用;中文信息处理;综述; 话题检测与跟踪;自然语言处理;事件;新闻报道}, url = http://jcip.cipsc.org.cn/CN/abstract/article_881.shtml }