http://blog.csdn.net/pipisorry/article/details/49205589 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 推荐系统Recommendation System {博客内容:推荐系统构建三大方法:基于内容的推荐content-based,协同过滤collaborative filtering,隐语义模型(LFM, latent factor model)推荐.这篇博客只…

http://blog.csdn.net/pipisorry/article/details/49256457 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 推荐系统Recommendation System之隐语义模型latent semantic analysis {博客内容:推荐系统构建三大方法:基于内容的推荐content-based,协同过滤collaborative filtering,隐语义模型(LFM…

http://blog.csdn.net/pipisorry/article/details/49231919 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 推荐系统Recommendation System之降维Dimensionality Reduction {博客内容:推荐系统有一种推荐称作隐语义模型(LFM, latent factor model)推荐,这种推荐将在下一篇博客中讲到.这篇博客主要讲隐语义模型…

http://blog.csdn.net/pipisorry/article/details/49427989 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 推荐系统Recommendation System之隐语义模型latent semantic analysis {博客内容:Clustering.  The problem is to take large numbers of points and group…

http://blog.csdn.net/pipisorry/article/details/49686913 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 相似项的发现:局部敏感哈希(LSH, Locality-Sensitive Hashing) {博客内容:More about Locality-Sensitive Hashing:在海量数据挖掘MMDS week2: 局部敏感哈希Locality-Sensit…

http://blog.csdn.net/pipisorry/article/details/49052255 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之社交网络之社区检测:高级技巧-线性代数方法 Communities in Social Networks:  Intuitively, "communities" are sets of individuals in a network like Fa…

http://blog.csdn.net/pipisorry/article/details/48858661 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之 Locality-Sensitive Hashing(LSH) 局部敏感哈希 {This is the first half of discussion of a powerful technique for focusing search on things…

http://blog.csdn.net/pipisorry/article/details/49428053 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 计算广告Computational Advertising {博客内容:Computational Advertising.  The problem is to select ads to show with other information, typica…

http://blog.csdn.net/pipisorry/article/details/49183379 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之流算法Stream Algorithms Stream Algorithms:  "Streams" are data inputs to a system that arrive at a very high rate, typically too…

http://blog.csdn.net/pipisorry/article/details/48443533 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之MapReduce {A programming system for easily implementing parallel algorithms on commodity clusters.} Distributed File Systems分布式文件系统…

http://blog.csdn.net/pipisorry/article/details/49742907 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 相似项的发现:面向高相似度的方法 {博客内容:More about Locality-Sensitive Hashing:当所能接受的相似度较低时,基于LSH的方法表现得更为有效.但当要找几乎相等的集合时,还存在一些更快的方法,并且这些方法是精准的,即它们会找到…

http://blog.csdn.net/pipisorry/article/details/49445519 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 大规模机器学习之MapReduce算法 {博客内容:MapReduce Algorithms.  how to design a good algorithm to run under MapReduce.  They also discuss the limi…

http://blog.csdn.net/pipisorry/article/details/49445465 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 大规模机器学习之决策树Decision Trees {博客内容:Decision Trees.  This is one of the oldest forms of machine-learning, but there are issues that com…

http://blog.csdn.net/pipisorry/article/details/49445387 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 大规模机器学习之支持向量机Support-Vector Machines,SVM {博客内容:the most powerful techniques available for large-scale machine learning.支持向量机主要应用于非线…

http://blog.csdn.net/pipisorry/article/details/49052057 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之社交网络之社区检测:基本技巧-生成模型及其参数的梯度上升方法求解 Communities in Social Networks:  Intuitively, "communities" are sets of individuals in a netw…

http://blog.csdn.net/pipisorry/article/details/48914067 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之关联规则Apriori算法的改进:非hash方法 - 大数据集下的频繁项集:挖掘随机采样算法.SON算法.Toivonen算法 Apriori算法的改进:大数据集下的频繁项集挖掘 1. 前面所讨论的频繁项都是在一次能处理的情况.如果数据量过大超过了主存的大小,这…

http://blog.csdn.net/pipisorry/article/details/48901217 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之关联规则Apriori算法的改进:基于hash的方法:PCY算法, Multistage算法, Multihash算法 Apriori算法的改进 {All these extensions to A-Priori have the goal of minimiz…

http://blog.csdn.net/pipisorry/article/details/48894977 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之association rules关联规则与频繁项集挖掘 {Frequent Itemsets: Often called "association rules," learn a number of techniques for finding it…

http://blog.csdn.net/pipisorry/article/details/48894963 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之Nearest-Neighbor Learning,KNN最近邻学习 {The module is about large scale machine learning.} Supervised Learning监督学习 Note: y有多种不同的形式,对应不同…

http://blog.csdn.net/pipisorry/article/details/48882167 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之局部敏感哈希LSH的距离度量方法 Distance Measures距离度量方法 {There are many other notions of similarity(beyond jaccard similarity) or distance and whi…

http://blog.csdn.net/pipisorry/article/details/48579435 海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记之链接分析:PageRank算法 链接分析与PageRank {大图分析the Analysis of Large Graphs} how the class fits together 图数据的例子 社交网络Social Networks(Facebook so…

前言 随着电子商务的发展,网络购物成为一种趋势,当你打开某个购物网站比如淘宝.京东的时候,会看到很多给你推荐的产品,你是否觉得这些推荐的产品都是你似曾相识或者正好需要的呢.这个就是现在电子商务里面的推荐系统,向客户提供商品建议和信息,模拟销售人员完成导购的过程. 介绍 推荐系统简介 什么是推荐系统呢?维基百科这样解释道:推荐系统属于资讯过滤的一种应用.推荐系统能够将可能受喜好的资讯或实物(例如:电影.电视节目.音乐.书籍.新闻.图片.网页)推荐给使用者. 推荐系统首先收集用户的历史行为数据,然后…

原文链接:http://blog.csdn.net/cserchen/article/details/14231153 目前互联网上所能找到的知名开源推荐系统(open source project for recommendation system),并附上了个人的一些简单点评(未必全面准确), 这方面的中文资料很少见,希望对国内的朋友了解掌握推荐系统有帮助------陈运文    SVDFeature 由上海交大的同学开发的,C++语言,代码质量很高 .去年我们参加KDD竞赛时用过,非常好用…

1129 Recommendation System(25 分) Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item ha…

Source: PAT A1129 Recommendation System (25 分) Description: Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the numb…

1129. Recommendation System (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system tha…

Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item has been accessed by this user. Inp…

Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item has been accessed by this user. Inp…

1129 Recommendation System (25 分) Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system that rates the user's preference by the number of times that an item h…

1129. Recommendation System (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Recommendation system predicts the preference that a user would give to an item. Now you are asked to program a very simple recommendation system tha…