Algorithm to find articles with similar text

Question

I have many articles in a database (with title,text), I\'m looking for an algorithm to find the X most similar articles, something like Stack Overflow\'s \"Related Questions

Answer 1

I suggest to index your articles using Apache Lucene, a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Once indexed, you could easily find related articles.