- Non-linear models in NLP
- If you talk to (many) real machine learning people, they express profound disbelief that almost everything we do in NLP is based on linear classifiers (maxent/lr, svms, perceptron, etc.). We only rarely use kernels and, while decision tress used to...
- 作者：互联网作品发表于：2007-05-08 23:38:50 点击：37 评论：0 查阅全文...
- Proofpoint Introduces Industry's First Dynamic, Machine-learning Based Email Rep
- CUPERTINO, Calif., April 30 /PRNewswire/ -- Proofpoint, Inc., the leader in large-enterprise messaging security solutions, today introduced the industry's first dynamic, machine-learning based email reputation solution, Proofpoint Dynamic Reputation...
- 作者：互联网作品发表于：2007-05-01 21:40:41 点击：52 评论：0 查阅全文...
- [人工智能]AI Overview
- Welcome to our OVERVIEW! If you are looking for an answer to the question What is Artificial Intelligence? and you only have a minute, then here's the definition the Association for the Advancement of Artificial Intelligence offers on its home page:...
- 作者：互联网作品发表于：2007-04-20 01:53:13 点击：73 评论：0 查阅全文...
- Sentiment Analysis
- Im into Sentiment Analysis . Theres a very good white paper explaining the theory and practice of this over at Corpora - but youll have to register to get hold of it. Im not sure about the ethics and practicalities of this: I understand that - for B...
- 作者：互联网作品发表于：2007-04-20 01:52:42 点击：66 评论：0 查阅全文...
- 通用类和函数
- 机器学习库（MLL）是一些用于分类、回归和数据聚类的类和函数。 大部分分类和回归算法是用C++类来实现。尽管这些算法有一些不同的特性（像处理missing measurements的能力，或者categorical input variables等），这些类之间有一些相同之处。这些相同之处在类 CvStatMo...
- 作者：互联网作品发表于：2007-04-04 21:41:37 点击：78 评论：0 查阅全文...
- Normal Bayes 分类器
- This is simple classification model that assumes that feature vectors from each class are normally distributed (though, not necessarily independently distributed), so the whole data distribution function is assumed to be a Gaussian mixture, one comp...
- 作者：互联网作品发表于：2007-04-04 21:40:29 点击：139 评论：0 查阅全文...
- K近邻算法
- 这个算法首先贮藏所有的训练样本，然後通过分析（包括选举，计算加权和等方式）一个新样本周围K个最近邻以给出该样本的相应值。这种方法有时候被称作基于样本的学习，即为了预测，我们对于给定的输入搜索最近的已知其相应的特征向量。 CvKNearest K近邻类 class CvKNea...
- 作者：互联网作品发表于：2007-04-04 21:39:31 点击：441 评论：0 查阅全文...
- 支持向量机算法及其代码实现
- 支持向量机（SVM），起初由vapnik提出时，是作为寻求最优（在一定程度上）二分类器的一种技术。後来它又被拓展到回归和聚类应用。SVM是一种基于核函数的方法，它通过某些核函数把特征向量映射到高维空间，然後建立一个线性判别函数（或者说是一个高维空间中的能够区分...
- 作者：互联网作品发表于：2007-04-04 21:37:14 点击：688 评论：0 查阅全文...
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