Using open calais in R

I am using calais api in R for text analysis.
But im facing a some problem when fetching the rdf from the server.
I'm using the getToHost() method for the api call but i get just a null
string.
You haven't told us nearly enough for us to be able to reproduce
what you are doing.  Where and how is the R function getToHost() ?
is it in an R package?
The same url in browser returns an RDF document. 

getToHost("www.api.opencalais.com",/enlighten/rest/?licenseID=dkzdggsre232ur97c6be269g&content=Home&paramsXML=")
[1] ""
"http://api.opencalais.com/enlighten/rest/?licenseID=dkzdggsre232ur97c6be269g&content=Home&paramsXML="
Yes, and 
  library(RCurl)
  getURLContent("http://api.opencalais.com/enlighten/rest/?licenseID=dkzdggsre232ur97c6be269g&content=Home&paramsXML=")
returns  RDF content
as does
 download.file("http://api.opencalais.com/enlighten/rest/?licenseID=dkzdggsre232ur97c6be269g&content=Home&paramsXML=",
                "eg.txt")

But since we have no way of knowing what getToHost() does (or the postToHost() in your earlier mail),
we cannot figure out what is happening for you.

Please do read the posting guidelines, specifically telling us about your session and
what packages you are using.

  D.
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Using open calais in R

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