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IMAP4 Extension for Fuzzy Search (RFC6203)

IP.com Disclosure Number: IPCOM000205350D
Publication Date: 2011-Mar-28
Document File: 14 page(s) / 14K

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T. Sirainen: AUTHOR

Abstract

2. Conventions Used in This Document

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Internet Engineering Task Force (IETF)                       T. Sirainen Request for Comments: 6203                                    March 2011 Category: Standards Track ISSN: 2070-1721

                     IMAP4 Extension for Fuzzy Search

Abstract

   This document describes an IMAP protocol extension enabling a server    to perform searches with inexact matching and assigning relevancy    scores for matched messages.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc6203.

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Sirainen                     Standards Track                    [Page 1]
 RFC 6203                   IMAP4 FUZZY Search                 March 2011

 1.  Introduction

   When humans perform searches in IMAP clients, they typically want to    see the most relevant search results first.  IMAP servers are able to    do this in the most efficient way when they're free to internally    decide how searches should match messages.  This document describes a    new SEARCH=FUZZY extension that provides such functionality.

2.  Conventions Used in This Document

   In examples, "C:" indicates lines sent by a client that is connected    to a server.  "S:" indicates lines sent by the server to the client.

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",    "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this    document are to be interpreted as described in RFC 2119 [KEYWORDS].

3.  The FUZZY Search Key

   The FUZZY search key takes another search key as its argument.  The    server is allowed to perform a...