I am using the Java-based Nutch web-search software. In order to prevent duplicate (url) results from being returned in my search query results, I am trying to remove (a.k.a. normalize) the expression
I\'m currently writing a web crawler (using the python framework scrapy). Recently I had to implement a pause/resume system.
What is the best solution to programmatically take a snapshot of a webpage? The situation is this:I would like to crawl a bunch of webpages and take thumbnail snapshots of them periodically, say once
Instead of just using urllib does anyone know of the most efficient package for fast, multithreaded downloading of URLs that can operate through http proxies? I know of a few such as Twisted, Scrapy,
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How is it possible to integrate solr with heritrix? I want to archiv开发者_如何学运维e a site using heritrix and then index and search locally this file using solr.
I am looking for a good open source bot to determine some quality, often required for google indexing.
As it currently stands, this questi开发者_如何学Con is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely sol
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Does anyone know in which programming language the Googlebot was written? Or, more generally, in which language are efficient web-crawlers written?
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