Full Text Search by FreyaSX

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Usage

Search expression: word1 word2 ...
Enumerate words separating eath other with space. It means `searching documents which contain all of word1 AND word2 AND ...' (by default in AND mode)

OR search: +word
Put + symbol at the beginning of a word which is not mandatory. For example, '+openssl +ssleay sslway' means (((openssl) OR ssleay) AND sslway).

Exclusion: -word
Put - symbol at the beginning of a word to exclude documents which contain the word, like 'ssl -ssleay'.

Prefix search: word*
Add * symbol after a word to express any words starting with the word, like 'ssl*'.

Phrase: "word1 word2 ..."
A phrase is expressed by a list of words wrapped with double quote like "this is a pen".

Case insensitivity
Case of characters are ignored in retrieval. Exceptionally, words consist of upper case characters only, like "HTML", are case sensitive.

Scope limitation: scope:word
url:word -- search the word in URL string of each document
link:delegate.org -- search documents which are linking to delegate.org
title:word -- search in title string
keyword:word -- searcy in keywords (if given by the author of document)
author:word -- search by author (if a document has author information)

Sorting of results
Result of search can be displayed in the order of ranking of score which represents the degree of fitness to the given search expression. Each score value is displayed in normalized with the highest score as 999.
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