观后小结:技术演讲 - WebCrawling and Metadata Extractors...

演讲内容摘要:html

Web crawling is a hard problem and the web is messy. There is no shortage of semantic web standards -- basically, everyone has one. How do you make sense of the noise of our web of billions of pages?python

This talk presents two key technologies that can be used: Scrapy, an open source & scalable web crawling framework, and Mr. Schemato, a new, open source semantic web validator and distiller.git

演讲视频在 vimeo 上,幻灯片能够看 Speaker Deck 上的,或者浏览器直接打开这儿。幻灯片是用 reSTS5 制做的,源码在 github 上。github

演讲者是 Andrew Montalenti, co-founder/CTO of Parse.lyweb

我的观后小结:vim

  • 他对三个页面抓取相关的动词之间区别的理解:Crawling, Spidering, Scrapingapi

  • Parse.ly 有大于 1TB 的生产数据是放在内存中的浏览器

  • 开发和测试环境使用 Scrapy Cloud,生产环境使用 Rackspace Cloudscrapy

  • 现场演示如何基于 Scrapy 定制爬虫ide

  • 演示了他们是怎么使用 Scrapy Cloud

  • 介绍了他们的开源项目:Schemato - the unified validator for the next generation of metadata

做者:czhang

原文连接:http://jianshu.io/p/CFP7Gx

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