[Corpora-List] tf-idf vs. cosine in natural texts

[Chris Jordan]

TF-IDF is used for assigning weight to terms in a document.
http://en.wikipedia.org/wiki/Tfidf

Cosine similarity is used for comparing term vectors that represent  
documents.
http://en.wikipedia.org/wiki/Cosine_similarity

On 17-Dec-08, at 2:10 AM, KHALED ABDALGADER wrote:

> Hi
>
>
> I'm curious: what's the difference between using TF-IDF and cosine  
> as the retrieval model in natural texts?
>
>
>
> Perhaps someone can point me to the difference or offer a brief  
> description. Please ...
>
>
>
> Thanks in advance
>
>
>
> Khaled
>
>
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