Document class, stores a representtion of the documents in memory, keeping the name, address and co.

Uploads tokens from a file into the inverted index Table.

Gets the input query from the user, filters the stop words from the query, gets the possible types of the documents which the query can have, The class returns the filtered words from the query and the document and the position they occur in the document to the ranker.

Gets Results to the Query and ranks them by relevance.

This class generates suggestion, auto correct invalid query and stems the query.

Keeping the inverted index tble to the database.

Extracts text word from the document. Remeber to set Inverter before working on this class

pdf, doc, docx, ppt, pptx, xls, xlsx, txt, html and xml

to a File Stream

Interface to be used for Document class to be used by this app

Interface for the Store class, involved with sending data to a Database