papering - 博客园

2017年11月6日

统计与数学必须划出界限

摘要：模型驱动的历史数据驱动的未来吴喜之老师阅读全文

posted @ 2017-11-06 02:51 papering 阅读(164) 评论(0) 推荐(0)

Maximum likelihood from incomplete data via the EM algorithm (1977)

摘要： Maximum likelihood from incomplete data via the EM algorithm (1977) 阅读全文

posted @ 2017-11-06 02:33 papering 阅读(876) 评论(0) 推荐(0)

Mixtures of Gaussians and the EM algorithm

摘要： http://cs229.stanford.edu/ http://cs229.stanford.edu/notes/cs229-notes7b.pdf 阅读全文

posted @ 2017-11-06 02:19 papering 阅读(181) 评论(0) 推荐(0)

http://cs229.stanford.edu/syllabus.html

摘要： http://cs229.stanford.edu/syllabus.html 阅读全文

posted @ 2017-11-06 02:14 papering 阅读(316) 评论(0) 推荐(0)

Recurrent neural networks are very powerful, because they combine two properties

摘要： https://www.cs.toronto.edu/~hinton/csc2535/notes/lec10new.pdf Distributed hidden state that allows them to store a lot of information about the past e 阅读全文

posted @ 2017-11-06 01:10 papering 阅读(158) 评论(0) 推荐(0)

multi-layer Recurrent Neural Network (RNN, LSTM, and GRU) for training/sampling from character-level language models

摘要： https://github.com/karpathy/char-rnn 阅读全文

posted @ 2017-11-06 00:33 papering 阅读(204) 评论(0) 推荐(0)

2017年11月5日

Turning complete

摘要：完备阅读全文

posted @ 2017-11-05 20:23 papering 阅读(287) 评论(0) 推荐(0)

hsv hsb rgb lab

摘要： lab 欧式距离反映人类所能感受到的这两种颜色的差异阅读全文

posted @ 2017-11-05 18:01 papering 阅读(156) 评论(0) 推荐(0)

Local Response Normalization 60 million parameters and 500,000 neurons

摘要： CNN是工具，在图像识别中是发现图像中待识别对象的特征的工具，是剔除对识别结果无用信息的工具。 ImageNet Classification with Deep Convolutional Neural Networks http://papers.nips.cc/paper/4824-image 阅读全文

posted @ 2017-11-05 17:12 papering 阅读(246) 评论(0) 推荐(0)

Rethinking the Inception Architecture for Computer Vision

摘要： https://arxiv.org/abs/1512.00567 Convolutional networks are at the core of most state-of-the-art computer vision solutions for a wide variety of tasks 阅读全文

posted @ 2017-11-05 16:42 papering 阅读(212) 评论(0) 推荐(0)

达布和达布积分

摘要：可积性阅读全文

posted @ 2017-11-05 15:01 papering 阅读(495) 评论(0) 推荐(0)

kernel filter strides

摘要：卷积图像降维阅读全文

posted @ 2017-11-05 12:47 papering 阅读(145) 评论(0) 推荐(0)

在数据分布图中允许神经网络绘制一条以上的分割线

摘要：添加隐藏层的作用异或门函数图形表示 xor 阅读全文

posted @ 2017-11-05 01:46 papering 阅读(235) 评论(0) 推荐(0)

2017年11月4日

广播式关联将较大的表进行分发导致内存不足

摘要： impala impalad broadcast join 广播式关联 partitioned hash join 分区后散列关联阅读全文

posted @ 2017-11-04 22:47 papering 阅读(216) 评论(0) 推荐(0)

left outer join preserving unmatched rows from the first table

摘要： https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqlj18922.html INNER JOIN operation Specifies a join between two tables with an explicit join clause. 阅读全文

posted @ 2017-11-04 22:28 papering 阅读(234) 评论(0) 推荐(0)

Avro Parquet

摘要：行支持数据追加列频繁进行小部分列查询阅读全文

posted @ 2017-11-04 21:56 papering 阅读(292) 评论(0) 推荐(0)

dataware fact 事实不可更新 data warehousing business intelligence 优劣判据

摘要：不可 Kimball维度建模维度建模，而非数据建模文本型度量是对某些事情的描述。虽然以文本方式度量事实是可行的，但是应将其放入维度表中，除非对事实表的每个行，其文本是唯一的。数据仓库的好坏直接取决于维度属性的设置：DW/BI环境的分析能力直接取决于维度属性的质量和深度。【简单：易理解性能好阅读全文

posted @ 2017-11-04 21:37 papering 阅读(275) 评论(0) 推荐(0)

Nothing but the key 属性全部依赖于主键 third norm form

摘要：全依赖 Designs that Violate 1NF CustomerCustomer ID First Name Surname Telephone Number123 Pooja Singh 555-861-2025, 192-122-1111456 San Zhang (555) 403- 阅读全文

posted @ 2017-11-04 21:22 papering 阅读(362) 评论(0) 推荐(0)

guava

摘要： cache 阅读全文

posted @ 2017-11-04 20:30 papering 阅读(270) 评论(0) 推荐(0)

HBase 分布式缓存 Memcached Redis

摘要： blockcache 阅读全文

posted @ 2017-11-04 20:29 papering 阅读(164) 评论(0) 推荐(0)

Part of defining a topology is specifying for each bolt which streams it should receive as input

摘要： http://storm.apache.org/ 【doing for realtime processing what Hadoop did for batch processing 】 Apache Storm is a free and open source distributed real 阅读全文

posted @ 2017-11-04 16:28 papering 阅读(252) 评论(0) 推荐(0)

＜50ms c c++

摘要： streaming 阅读全文

posted @ 2017-11-04 13:01 papering 阅读(142) 评论(0) 推荐(0)

无穷小增量公式的推广证明系数唯一性

摘要：设函数f在U(a,n)有定义，在a点可导，则根据无穷小增量公式，存在一次多项式 A0+A1(x-a) (A0=f(a), A1=f'(a)) 使得 f(x)=A0+A1(x-a)+o(x-a) 如果f在a点n次可导，那么： 0-能否有n次多项式 P(x)= 1-这样的n次多项式能有几个张筑生老师阅读全文

posted @ 2017-11-04 12:12 papering 阅读(634) 评论(0) 推荐(0)

Theseven relationsarein threecategories:equivalent, congruent, andsimilar.

摘要： http://www.math.pitt.edu/~xfc/math2370/chap5.pdf 阅读全文

posted @ 2017-11-04 02:27 papering 阅读(161) 评论(0) 推荐(0)

types of transfrmations

摘要： http://math.wallawalla.edu/~duncjo/courses/math113/winter08/notes/9-1_math113.pdf Name What Changes What Doesn’t Translation Position Size, Shape, Ori 阅读全文

posted @ 2017-11-04 02:22 papering 阅读(177) 评论(0) 推荐(0)

Congruent Matrices

摘要： http://mathworld.wolfram.com/CongruentMatrices.html Two square matrices and are called congruent if there exists a nonsingular matrix such that where 阅读全文

posted @ 2017-11-04 02:06 papering 阅读(464) 评论(0) 推荐(0)

2017年11月3日

Memory usage of a Java process java Xms Xmx Xmn

摘要： http://www.oracle.com/technetwork/java/javase/memleaks-137499.html 3.1 Meaning of OutOfMemoryError One common indication of a memory leak is the java. 阅读全文

posted @ 2017-11-03 23:11 papering 阅读(11476) 评论(0) 推荐(0)

调用约定应用二进制接口参数和返回值放置的位置（在寄存器中；在调用栈中；两者混合）访问 Python 解释器

摘要： https://docs.python.org/zh-cn/dev/c-api/intro.html 概述 Python 的应用编程接口（API）使得 C 和 C++ 程序员可以在多个层级上访问 Python 解释器。该 API 在 C++ 中同样可用，但为简化描述，通常将其称为 Python/C 阅读全文

posted @ 2017-11-03 23:03 papering 阅读(549) 评论(0) 推荐(0)

内存遗漏堆垃圾自动回收

摘要：遗漏阅读全文

posted @ 2017-11-03 22:25 papering 阅读(196) 评论(0) 推荐(0)

自修改代码 on the fly 动态编译即时编译字节码

摘要： https://zh.wikipedia.org/wiki/自修改代码自修改代码（Self-modifying code）是指程序在运行期间（Run time）修改自身指令。可能的用途有：病毒利用此方法逃避杀毒软件的查杀，反静态分析，反盗版[1] ，单片机程序升级。在暂存存储器中执行代码的计算机阅读全文

posted @ 2017-11-03 22:02 papering 阅读(942) 评论(0) 推荐(0)

a

摘要： a 搜索复制阅读全文

posted @ 2017-11-03 20:11 papering 阅读(475) 评论(0) 推荐(0)

Red Black Tree java.util.TreeSet

摘要： https://docs.oracle.com/javase/9/docs/api/java/util/SortedMap.html A Map that further provides a total ordering on its keys. The map is ordered accord 阅读全文

posted @ 2017-11-03 20:00 papering 阅读(216) 评论(0) 推荐(0)

finding friends with mapreduce

摘要： http://stevekrenzel.com/finding-friends-with-mapreduce 阅读全文

posted @ 2017-11-03 18:58 papering 阅读(162) 评论(0) 推荐(0)

Möbius strip

摘要： en.wikipedia.org/wiki/Möbius_strip http://mechproto.olin.edu/final_projects/average_jo.html Fabrication The first element of the system we created was 阅读全文

posted @ 2017-11-03 16:20 papering 阅读(262) 评论(0) 推荐(0)

The Apache Thrift API client/server architecture

摘要： http://thrift.apache.org/ The Apache Thrift software framework, for scalable cross-language services development, combines a software stack with a cod 阅读全文

posted @ 2017-11-03 10:25 papering 阅读(251) 评论(0) 推荐(0)

可以执行全文搜索的原因 Elasticsearch full-text search Kibana RESTful API with JSON over HTTP elasticsearch_action es 模糊查询

摘要： https://www.elastic.co/guide/en/elasticsearch/guide/current/getting-started.html Elasticsearch is a real-time distributed search and analytics engine. 阅读全文

posted @ 2017-11-03 08:54 papering 阅读(429) 评论(0) 推荐(0)

SciDB

摘要：多维数据阅读全文

posted @ 2017-11-03 00:40 papering 阅读(190) 评论(0) 推荐(0)

2017年11月2日

build a real-time analytics dashboard to visualize the number of orders getting shipped every minute to improve the performance of their logistics for an e-commerce portal

摘要： https://cloudxlab.com/blog/real-time-analytics-dashboard-with-apache-spark-kafka/ 阅读全文

posted @ 2017-11-02 22:27 papering 阅读(192) 评论(0) 推荐(0)

Kafka monitoring Kafka dashboard

摘要： go 阅读全文

posted @ 2017-11-02 22:13 papering 阅读(676) 评论(0) 推荐(0)

redundant array of independent disks

摘要： RAID 6 阅读全文

posted @ 2017-11-02 19:59 papering 阅读(131) 评论(0) 推荐(0)