08 2012 档案

摘要:Data Startups from Y Combinator Demo DayY Combinator, the tech startup incubator, had its 15th demo day. Here are some of the data/statistics-related highlights (thanks to TechCrunch for doing the hard work):EVERYDAY.ME— A PRIVATE, ONLINE RECORD OF YOUR LIFE.This company seems to me like a meta-data 阅读全文

posted @ 2012-08-26 15:16 定宇逻辑 阅读(181) 评论(0) 推荐(0)

摘要:先看kdd2012的一篇优秀论文,讲RTB的:Bid Optimizing and Inventory Scoring in Targeted OnlineAdvertising先转载豆瓣上的科普:http://site.douban.com/widget/notes/7320651/note/222618027/根据易观网《品友互动谢鹏:“RTB”助力数字广告“人群时代”》整理。图片源自艾瑞网一、推广困惑当营销人推广的时候,虽然目标是按人群投放,但实际执行是向媒体推广,但没有一家媒体自己的人群是为其量身订做的。那么总有一部分广告费是浪费的。二、名词解释RTB:(RealTime Biddin 阅读全文

posted @ 2012-08-17 14:52 定宇逻辑 阅读(1239) 评论(0) 推荐(1)

摘要:NBER最近出了一篇Paper,讨论和比较全球各国竞争力的问题。paper下载名称和下载地址《The Determinants of National Competitiveness》总体思路作者将国家的基础竞争力定义为“给定一国从事经济活动总体质量,该国的适龄工作人口的单位产出水平” ,作者试图从三个维度衡量各国的竞争力,包括social infrastructure and political institutions, monetary and fiscal policy, 以及 microeconomic environment。前两个归纳为宏观竞争力,第三个归纳为微观竞争力。基础竞争 阅读全文

posted @ 2012-08-11 21:54 定宇逻辑 阅读(359) 评论(0) 推荐(0)