Lei's Blog

摘要： From the tutorial published by Martin Ester in RecSys 2013Future Research Directions--Recommendation in heterogeneous networkswith more than 2 entity types --How to recommend entities of one type to entitiesof another type?--Explanation of social recommendations --A. Papadimitriou, P. Symeonidis, Y. 阅读全文

摘要： Generalized Stochastic Block Model[Jamali et al. 2011]• Social influence and selection lead toformation of communities/groups.• Users belong to different (latent) groups,e.g. teacher interacting with students or his/her sonor camera being rated by professional vs. amateur.• Items belong to different 阅读全文

摘要： 转：http://xueli.kswchina.com/zk/wy/yf/441471.html英语句子中，主语的“人称”和“数”要限制，决定谓语动词的形式变化，这就叫“主谓一致”关系。 它通常依据三项原则： 1)语法一致; 2)意义一致; 3)就近一致。 【语法一致原则】 I .主语的“人称”决定谓语动词的形式。e.g. ①I love / She loves music . 我/ 她爱好音乐。 ②Are your mother a worker ? (误)你母亲是工人吗? Is your mother a worker ?(正)(主语your mother 是单数第三人称)　... 阅读全文