284 lines
10 KiB
HTML
284 lines
10 KiB
HTML
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
|
|
|
|
<head>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
<meta name="twitter:card" content="summary_large_image">
|
|
<meta name="twitter:site" content="@NLM_NIH">
|
|
<meta name="twitter:title" content="MEDLINE Character Set Expansion. NLM Technical Bulletin. 2010 Jul–Aug">
|
|
<meta name="twitter:description" content=" The NLM Technical Bulletin is your source to stay informed about NLM products and services.">
|
|
<meta name="twitter:image" content="https://www.nlm.nih.gov/pubs/techbull/images/nlm_tech_bulletin_graphic_twitter.jpg">
|
|
<meta property="og:url" content="https://www.nlm.nih.gov/pubs/techbull/tb.html" />
|
|
<meta property="og:type" content="article" />
|
|
<meta property="og:title" content="MEDLINE Character Set Expansion. NLM Technical Bulletin. 2010 Jul–Aug" />
|
|
<meta property="og:description" content="The NLM Technical Bulletin is your source to stay informed about NLM products and services." />
|
|
<meta property="og:image" content="https://www.nlm.nih.gov/pubs/techbull/images/nlm_tech_bulletin_graphic_facebook.jpg" />
|
|
<title>MEDLINE Character Set Expansion. NLM Technical Bulletin. 2010 Jul–Aug</title>
|
|
<link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" title="The Dublin Core metadata Element Set" />
|
|
<meta name="DC.Title" content="MEDLINE® Character Set Expansion" />
|
|
|
|
<meta name="DC.Publisher" content="U.S. National Library of Medicine" />
|
|
<meta name="DC.Date.Issued" content="2010-08-18" />
|
|
<meta name="DC.Date.Modified" content="2010-08-25" />
|
|
<meta name="NLMDC.Date.LastReviewed" content="2015-11-17" />
|
|
<meta name="NLM.Contact.Email" content="nlmtechbull@mail.nlm.nih.gov" />
|
|
<meta name="DC.Type" content="Newsletters" />
|
|
<meta name="NLM.Permanence.Level" content="Permanent: Stable Content" />
|
|
<meta name="NLM.Permanence.Guarantor" content="U.S. National Library of Medicine" />
|
|
<meta name="DC.Rights" content="Public Domain" />
|
|
<meta name="DC.Language" content="eng" />
|
|
|
|
|
|
<meta name="DC.Subject.Keyword" content="Chinese" />
|
|
<meta name="DC.Subject.Keyword" content="Diacritics" />
|
|
<meta name="DC.Subject.Keyword" content="Korean" />
|
|
<meta name="DC.Subject.Keyword" content="Latin" />
|
|
<meta name="DC.Subject.Keyword" content="MEDLINE" />
|
|
<meta name="DC.Subject.Keyword" content="PubMed" />
|
|
|
|
|
|
<link rel="stylesheet" href="../techBull.css" />
|
|
<link rel="alternate" type="application/rss+xml" title="RSS" href="/rss/techbull.rss" />
|
|
|
|
<!-- Google Tag Manager -->
|
|
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MT6MLL');</script>
|
|
<!-- End Google Tag Manager -->
|
|
</head>
|
|
<body link="#476B47" alink="#476B47" vlink="#476B47" text="#000000" bgcolor="#ffffff">
|
|
<!-- Google Tag Manager -->
|
|
<noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-MT6MLL" height="0" width="0" style="display:none;visibility:hidden" title="googletagmanager"></iframe></noscript>
|
|
<!-- End Google Tag Manager -->
|
|
<div id="skip"><a href="#skipnav">Skip to Main Content</a></div>
|
|
<a name="top" id="top"></a>
|
|
<div id="body" >
|
|
|
|
<div class="header">
|
|
<div class="shadow_bottom" align="left">
|
|
<div class="shadow_right">
|
|
<div class="shadow_corner">
|
|
<table class="title" width="100%" border="0" cellpadding="0" cellspacing="0" >
|
|
<col width="134" />
|
|
<col/>
|
|
<tr>
|
|
<td>
|
|
<img src="../new_tb_graphics/tb_header_logo.gif" alt="" width="134" height="64" align="top" />
|
|
</td>
|
|
<td id="titleCell">
|
|
<img id="titleImage" src="../new_tb_graphics/tb_header_title.gif" alt="NLM Technical Bulletin"
|
|
title="" align="top" border="0" height="26" width="335"/>
|
|
<div id="titleText">NLM Technical Bulletin</div>
|
|
|
|
<div>
|
|
<a href="//www.nlm.nih.gov/">National Library of Medicine</a> |
|
|
<a href="//www.nih.gov/">National Institutes of Health</a>
|
|
</div>
|
|
</td>
|
|
</tr></table>
|
|
</div></div></div></div>
|
|
|
|
<div class="header">
|
|
<div class="shadow_bottom" align="left">
|
|
<div class="shadow_right">
|
|
<div class="shadow_corner">
|
|
<table class="grid" width="100%" border="0" cellpadding="0" cellspacing="0">
|
|
<tr class="search" >
|
|
<td colspan="5" align="right">
|
|
<form method="get" action="//vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta" target="_self" name="searchForm">
|
|
<label for="searchInput">Search</label>
|
|
<input name="query" type="text" id="searchInput" size="12" align="middle"/>
|
|
<input type="submit" id="searchGo" value="GO" />
|
|
<input type="hidden" name="v:project" value="technical-bulletin" />
|
|
<a href="/vsearchfaq.html">Help</a>
|
|
</form>
|
|
|
|
<img src="../new_tb_graphics/spacer.gif" width="10" height="1" border="0" alt="" />
|
|
</td>
|
|
</tr>
|
|
<tr align="center">
|
|
<td><a href="ja10_issue_cover.html">Table of Contents</a></td>
|
|
<td><a href="../rss.html" class="rssMenuCover">RSS</a></td>
|
|
<td><a href="../tb.html" class="homeMenuCover">Home</a></td>
|
|
<td><a href="../back_issues.html" class="issuesMenuCover">Back Issues</a></td>
|
|
<td><a href="../new_index.html" class="indexMenuCover">Indexes</a></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="5"><span class="issueDateMenu" >2010 JULY–AUGUST</span> <span class="issueNum">No. 375</span>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div></div></div></div>
|
|
|
|
<!-- header_end-->
|
|
|
|
|
|
<a name="skipnav" id="skipnav"></a>
|
|
<div id="content" class="article">
|
|
|
|
<div class="actions">August 25, 2010 <span class="status">[posted]</span>
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
<h1>MEDLINE<span class="registered">®</span> Character Set Expansion</h1>
|
|
|
|
<p>Since the inception of MEDLINE, NLM<span class="registered">®</span> has limited the characters used to those typed from a standard US keyboard and a small set of frequently used diacritics (see this character set at <a href="/databases/dtd/medline_character_database.html">Limited MEDLINE<span class="registered">®</span>/PubMed<span class="registered">®</span> Character Set</a>).
|
|
</p>
|
|
|
|
<p>
|
|
Starting in early September 2010, NLM will accept for newly created MEDLINE records any UTF-8 character in the Latin (Roman) and Greek scripts as well as mathematical and other symbols commonly found in biomedical literature. Other scripts such as Chinese, Japanese, or Korean are not supported (see <a href="/databases/dtd/medline_characters.html">MEDLINE<span class="registered">®</span>/PubMed<span class="registered">®</span> Character Set</a> for the expanded character set).
|
|
</p>
|
|
|
|
<p>The most notable difference is the addition of Greek characters to the database. Previously, NLM spelled out Greek letters, for example, replacing β (Unicode 03B2) with beta. PubMed users are now able to search for these characters either by copying and pasting the text from an online source or by spelling out the letter as they always have done. Both approaches retrieve the same set of citations.
|
|
</p>
|
|
|
|
<p>
|
|
NLM will continue to standardize some characters:
|
|
</p>
|
|
<ul>
|
|
<li>
|
|
All instances that represent a Double Quote will be translated to the straight double quote " (Unicode 0022).
|
|
</li>
|
|
<li>All instances that represent a Single Quote (this includes prime and apostrophe) will be translated to the straight single quote ' (Unicode 0027).
|
|
</li>
|
|
<li>Em Dash, En Dash, Hyphen, or Minus will be translated to the single dash - (Unicode 002D).
|
|
</li>
|
|
</ul>
|
|
|
|
<br />
|
|
<p>See
|
|
<a href="/pubs/techbull/nd07/nd07_diacritics.html"><em>Diacritics in PubMed<span class="registered">®</span> Displays and Searching</em></a> for additional information.
|
|
</p>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<p class="authors">
|
|
|
|
|
|
By
|
|
|
|
|
|
|
|
J. Shore<br />
|
|
Index Section<br />
|
|
|
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
<img src="../new_tb_graphics/black_pixel.gif" width="450" height="1" alt="" />
|
|
|
|
<!--************************CHANGE CITATION INFORMATION BELOW*****************************-->
|
|
<p class="citation">Shore J. MEDLINE<span class="registered">®</span> Character Set Expansion. NLM Tech Bull. 2010 Jul-Aug;(375):e13.</p>
|
|
<!--************************END CITATION INFORMATION**************************************-->
|
|
|
|
</div><!-- end of content -->
|
|
|
|
<div class="header" align="center">
|
|
<div class="shadow_bottom" align="left">
|
|
<div class="shadow_right">
|
|
<div class="shadow_corner">
|
|
<table class="grid" width="100%" border="0" cellpadding="0" cellspacing="0">
|
|
<tr>
|
|
<td>
|
|
|
|
<a href="ja10_issue_cover.html" title="Previous Page">PREVIOUS</a>
|
|
|
|
</td><td>
|
|
<span class="issueDateMenu" >
|
|
2010 JULY–AUGUST</span> <span class="issueNum">No. 375</span>
|
|
</td>
|
|
<td class="gridNext">
|
|
|
|
<a href="ja10_sis_reprint_toxmap_updates.html" title="Next Article">NEXT</a>
|
|
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<a href="/pubs/techbull/stay_current.html" class="gridBottomLeft">Stay Current <img src="/pubs/techbull/new_tb_graphics/footer_icons_14h.gif" alt="E-Mail Sign Up"/></a>
|
|
</td><td class="gridBottomRight" colspan="2">
|
|
<a href="../tb.html" class="homeMenu">Home</a>
|
|
<a href="../back_issues.html" class="issuesMenu">Back Issues</a>
|
|
<a href="../new_index.html" class="indexMenu">Indexes</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div></div></div></div>
|
|
|
|
<!-- BEGIN NLM FOOTER -->
|
|
<div class="footer">
|
|
<a href="/">National Library of Medicine</a> 8600 Rockville Pike, Bethesda, MD 20894
|
|
<br>
|
|
<a href="//www.nlm.nih.gov/socialmedia/index.html">Connect with NLM</a>,
|
|
<a href="//www.nlm.nih.gov/web_policies.html">Web Policies</a>,
|
|
<a href="//www.nlm.nih.gov/careers/jobopenings.html">Careers</a>,
|
|
<a href="//www.nlm.nih.gov/accessibility.html">Accessibility</a>,
|
|
<a href="//www.usa.gov/">USA.gov</a>,
|
|
<a href="//www.hhs.gov/vulnerability-disclosure-policy/index.html">HHS Vulnerability Disclosure</a>
|
|
<br>
|
|
<a href="//www.nih.gov/">NIH</a>,
|
|
<a href="https://www.hhs.gov/">HHS</a>,
|
|
<a href="//www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office">FOIA</a>,
|
|
<a class="supportLink" href="//support.nlm.nih.gov?from=" target="_blank">NLM Support Center</a>
|
|
</div>
|
|
|
|
</div><!-- body -->
|
|
<!--*****************************Content end*******************************-->
|
|
<script src="//assets.nlm.nih.gov/jquery/jquery-latest.min.js"></script>
|
|
<script src="/scripts/support.js"></script>
|
|
<script src="/core/nlm-notifyExternal/1.0/nlm-notifyExternal.min.js"></script>
|
|
</body>
|
|
</html>
|
|
|
|
|