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saibatchu (1) [Avatar] Offline
I heard that lucene uses full text search. But i found it is different in the book. It only indexes the meta data and retrieves the documents through that. So, isn't lucene a full text search???
Here goes the paragraph from "Lucene in Action":

The Document class represents a collection of fields. Think of it as a virtual document—
a chunk of data, such as a web page, an email message, or a text file—that you
want to make retrievable at a later time. Fields of a document represent the document
or metadata associated with that document. The original source (such as a database
record, a Microsoft Word document, a chapter from a book, and so on) of
document data is irrelevant to Lucene. It’s the text that you extract from such binary
documents, and add as a Field instance, that Lucene processes. The metadata (such
as author, title, subject and date modified) is indexed and stored separately as fields
of a document.