Lucene with Semantic Vectors (LSA, LSI, LDA)?

Hello, I have a project which indexes and scores documents using Lucene. However, I'd like to do that using semantic indexing (LSI, LSA or Semantic Vectors). I've read old posts and some people said that Semantic Vectors plays well with Lucene. However, I noticed that its classes are used

Using "escape"

I want to use escape with query parser, But I'm quite new and not sure how to add it. Here is my example project, and here is the link to escape http://lucene.apache.org/core/3_0_3/api/all/org/apache/lucene/queryParser/QueryParser.html#escape%28java.lang.String%29 import java.io.File; import