title: Tm.plugin.webmining in R - Google News feeds
body: <p>I am trying to learn text mining in R.</p>
  
  <p>I am encountering problems when it comes to using the tm.plugin.webmining package when trying to mine google news and finance pages (please see codes and error messages attached below).</p>
  
  <p>I would appreciate any help I can get.</p>
  
  <p>Using GoogleNewsSource</p>
  
  <pre><code>googlenews &lt;- WebCorpus(GoogleNewsSource("Microsoft"))
  Unknown IO errorfailed to load external entity "http://news.google.com/news?hl=en&amp;q=Microsoft&amp;ie=utf-8&amp;num=100&amp;output=rss"
  Error: 1: Unknown IO error2: failed to load external entity "http://news.google.com/news?hl=en&amp;q=Microsoft&amp;ie=utf-8&amp;num=100&amp;output=rss"
  
  library(tm.plugin.webmining)
  library(purrr)
  
  company &lt;- c("Microsoft", "Apple", "Google", "Amazon", "Facebook",
               "Twitter", "IBM", "Yahoo", "Netflix")
  symbol &lt;- c("MSFT", "AAPL", "GOOG", "AMZN", "FB", "TWTR", "IBM", "YHOO", "NFLX")
  
  download_articles &lt;- function(symbol) {
    WebCorpus(GoogleFinanceSource(paste0("NASDAQ:", symbol)))
  }
  
  stock_articles &lt;- data_frame(company = company,
                               symbol = symbol) %&gt;%
    mutate(corpus = map(symbol, download_articles))
  failed to load HTTP resource
  Error in mutate_impl(.data, dots) : 1: failed to load HTTP resource
  </code></pre>