<!DOCTYPE html>    <html xmlns="http://www.w3.org/1999/xhtml" prefix=" bibo: http://purl.org/ontology/bibo/ cc: http://creativecommons.org/ns# dcterms: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# schema: http://schema.org/ " typeof="bibo:Webpage cc:Work schema:ItemPage foaf:page og:article" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <base href="https://pleiades.stoa.org/downloads" /> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <title property="dcterms:title og:title schema:name">Data for download</title> <meta property="dcterms:creator schema:creator" content="Sean Gillies" /> <meta property="dcterms:creator schema:contributor" content="Brian Turner" /> <meta property="dcterms:creator schema:contributor" content="Tom Elliott" /> <meta property="dcterms:type schema:genre" content="a gazetteer of past places" /> <meta property="og:description dcterms:description schema:description" name="description" content="Get quarterly numbered releases, as well as regular shapshots of all Pleiades resources, available in multiple formats including JSON, CSV, KML, and RDF." /> <meta property="dcterms:date schema:dateModified" content="2025-03-07T08:45:13-05:00" /> <meta property="bibo:shortTitle schema:alternateName" content="Data for download" /> <meta property="dcterms:language schema:inLanguage" content="en" /> <meta property="dcterms:rights" content="Copyright © The Contributors. 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Scott Smith."> Last Week in Pleiades (3-10 March 2025) </a> <span class="portletItemDetails">Mar 11, 2025</span> </dd> <dd class="portletItem odd"> <a href="https://pleiades.stoa.org/news/blog/new-from-awmc-the-geography-of-pliny-the-elder" class="tile" title="This online application compiles and maps the geographic data in Pliny's Natural History. The database includes some 6,500 unique entries, and this application maps all those entries that are locatable."> New from AWMC: The Geography of Pliny the Elder </a> <span class="portletItemDetails">Mar 07, 2025</span> </dd> <dd class="portletFooter"> <span class="portletBottomLeft"></span> <a href="https://pleiades.stoa.org/news"> More news… </a> <span class="portletBottomRight"></span> </dd> </dl> </div> </div> </div> <div id="portal-column-content" class="sr"> <div id="portal-content-wrapper"> <div id="viewlet-above-content"></div> <div class=""> <dl class="portalMessage info" id="kssPortalMessage" style="display:none"> <dt>Info</dt> <dd></dd> </dl> <div id="content"> <div id="viewlet-above-content-title"><div id="portal-breadcrumbs"> <span id="breadcrumbs-you-are-here">You are here:</span> <a href="https://pleiades.stoa.org/home">Home</a> <span class="breadcrumbSeparator"> → </span> <span dir="ltr"> <span>Data for download</span> </span> </div> <p class="hiddenStructure"> <a accesskey="2" href="https://pleiades.stoa.org/downloads#content">Skip to content.</a> | <a accesskey="6" href="https://pleiades.stoa.org/downloads#portal-globalnav">Skip to navigation</a> </p> </div> <span> <h1 id="parent-fieldname-title" class="documentFirstHeading"> Data for download </h1> </span> <div id="viewlet-below-content-title"><div class="documentByLine" id="plone-document-byline"> <span class="documentAuthor"> Creators: <span><a href="/author/sgillies">Sean Gillies</a></span> </span> <div class="documentContributors"> Contributors: <span><a href="/author/bdturner">Brian Turner</a></span><span>, <a href="/author/thomase">Tom Elliott</a></span> </div> Copyright © The Contributors. Sharing and remixing permitted under terms of the Creative Commons Attribution 3.0 License (cc-by). <div class="documentModified"> <span> Last modified </span> Mar 07, 2025 08:45 AM </div> </div> <div class="RatingViewlet"> </div></div> <div id="parent-fieldname-description" class="documentDescription"> Get quarterly numbered releases, as well as regular shapshots of all Pleiades resources, available in multiple formats including JSON, CSV, KML, and RDF. </div> <div id="viewlet-above-content-body"> </div> <div id="content-core"> <div class="" id="parent-fieldname-text-e8539d73161f7ced53c23da57becc96b"> <p class=" ">Regularly updated exports ("dumps") of the published items in the <em>Pleiades</em> dataset may be downloaded in the formats described below.</p> <p class="callout">The on-line resources under <a href="http://pleiades.stoa.org/places/">http://pleiades.stoa.org/places/</a> remain the canonical versions; the contents of the various export formats varies (see further below). The <a href="http://pleiades.stoa.org/recently_modified">recently modified page</a> or <a href="http://pleiades.stoa.org/news/changes/RSS">its corresponding RSS feed</a> are the best ways to track what is changing.</p> <h2><a name="releases"></a>Quarterly Numbered Archival Releases (pleiades.datasets)</h2> <p><strong>We encourage use and citation of these numbered releases for scholarly work that will be published in static form.</strong> With the exception of "Legacy CSV", all of the components described in <a class="anchor-link" href="#snapshots" target="_self" title="">the "Single-Format Snapshots" section</a> below are collected and released quarterly via GitHub in a single numbered version. These releases are archived and disseminated via the following third parties:</p> <ul> <li>GitHub: <a class="external-link" href="https://github.com/isawnyu/pleiades.datasets/releases" target="_self" title="">https://github.com/isawnyu/pleiades.datasets/releases</a></li> <li>Zenodo.org: <a class="external-link" href="https://doi.org/10.5281/zenodo.1193921" target="_self" title="">https://doi.org/10.5281/zenodo.1193921</a></li> <li>NYU Faculty Digital Archive: <a class="external-link" href="http://hdl.handle.net/2451/34305" target="_self" title="">http://hdl.handle.net/2451/34305</a></li> <li>Archive.org: <a class="external-link" href="https://archive.org/search?query=Pleiades+Datasets&sort=creator&and%5B%5D=subject%3A%22ancient+geography%22" target="_self" title="">search for Pleiades Datasets</a></li> </ul> <p>The most recent release is 4.0.1, 6 February 2025.</p> <p>GitHub users can also fork the repository, which is updated most work days with the latest changes: <a class="external-link" href="https://github.com/isawnyu/pleiades.datasets" target="_self" title="">https://github.com/isawnyu/pleiades.datasets</a></p> <h2><a name="snapshots"></a>Single-Format Snapshots</h2> <h3><a name="gis"></a>Pleiades Data for GIS and General Use (CSV)</h3> <p><strong>Also known as "the GIS package", this collection of CSV files is designed to be GIS-ready and has been tested in QGIS. It is also your best choice for working with exported Pleiades data if the preferred JSON or the RDF exports are not suitable for your use case.</strong></p> <p class="callout">CAVEAT: Microsoft Excel (even recent versions) does not reliably read the CSV files in this package (it incorrectly parses columns when encountering embedded HTML in individual fields, for example). In addition to QGIS, Libre Office and Apple Numbers reportedly do not exhibit this problem.<strong><br /></strong></p> <p>Get more information and download the latest version at <a class="external-link" href="https://atlantides.org/downloads/pleiades/gis/" target="_self" title="">https://atlantides.org/downloads/pleiades/gis/</a>.</p> <h3><a name="json"></a>Preferred: JavaScript Object Notation (JSON)</h3> <p><strong>This is the only comprehensive dump.</strong> It contains all attributes of all place, name, location, and connection objects in the database that have been published.</p> <p>Each morning, a single JSON file for all published places is written to a JSON file. JSON is a widely used, well-known format that is popular for use in web applications and other programming tasks. We keep a week's worth of files, deleting older ones. The file named <code>pleiades-places-latest.json.gz</code> will always get you the most recent version. Note also that those previously published place resources that have been withdrawn and moved to the "errata" section of the site are dumped to a separate json file.</p> <p>NB: JSON serializations of data for individual <em>places</em> can be had from links on the place pages, such as <a href="http://pleiades.stoa.org/places/579885/json">http://pleiades.stoa.org/places/579885/json</a> for Athens, or by a content-negotiated request for the resource <a href="http://pleiades.stoa.org/places/579885#this">http://pleiades.stoa.org/places/579885#this</a>.</p> <p>Download the latest version at <a class="external-link" href="https://atlantides.org/downloads/pleiades/json/" target="_self" title="">https://atlantides.org/downloads/pleiades/json/</a>.</p> <h3><a name="csv"></a>Legacy Comma-Separated Values (CSV)</h3> <p class="callout"><strong>DEPRECATED - DO NOT USE FOR NEW PROJECTS - WILL LIKELY BE DISCONTINUED IN FUTURE</strong></p> <p class="callout"><strong>This is the original Pleiades export dump, still in operation for backward compatibility with legacy/static projects only. For new work, try "Pleiades Data for GIS (CSV)" first; it is probably a better fit for your needs. Or JSON.</strong></p> <p><strong></strong>Each morning, tables summarizing the published <em>locations</em>, <em>names</em>, and <em>places</em> are written to compressed CSV files. CSV is a widely used, well-known format that can be used by many computer programs. We keep a week's worth of files, deleting older ones. The files named <code>pleiades-*-latest.csv.gz</code> will always get you the most recent versions.</p> <p>Users of these files will want to be aware of the following documentation:</p> <ul> <li>The structure and contents of these files are documented in <a href="http://atlantides.org/downloads/pleiades/dumps/README.txt">a README file</a>.</li> <li>We use <a href="https://en.wikipedia.org/wiki/UTF-8">UTF-8 character encoding</a> for the text in these files. Some CSV readers (e.g., Microsoft Excel) assume or default to <a href="https://en.wikipedia.org/wiki/ASCII">ASCII encoding</a> for CSV, which can lead to the mangling of Roman characters with diacritics as well as characters in non-Roman scripts.</li> <li>We use the <a href="https://en.wikipedia.org/wiki/Gzip">gzip compression algorithm</a> to reduce file size for download.</li> <li>The CSV format is <a href="http://www.digitalpreservation.gov/formats/fdd/fdd000323.shtml" title="CSV format documentation from the Library of Congress">well-documented on the Library of Congress <em>Digital Formats</em> website</a>.</li> </ul> <p>Download the latest version at <a class="external-link" href="https://atlantides.org/downloads/pleiades/dumps/" target="_self" title="">https://atlantides.org/downloads/pleiades/dumps/</a></p> <h3><a name="kml"></a>Keyhole Markup Language (KML)</h3> <p class=" "><strong>Suitable for use in <a href="https://www.google.com/earth/">Google Earth</a>, <a href="http://www.qgis.org/en/site/">QGIS</a>, and other KML-capable software.</strong></p> <p class="callout">CAVEAT: at present, the KML export uses for its coordinates the "Representative Point" from any place that has published locations. It does not include a representative point for places that have no published locations, but for which a representative point is calculated by Pleiades on the basis of connected places. If you want comprehensive data, please use <a class="anchor-link" href="#json" target="_self" title="">the Pleiades JSON export</a>. We hope to address this deficiency in a future release.</p> <p class=" ">Information about all mappable <em>places</em> are read from our database and written to a zipped KML (KMZ) file each morning. We keep a week's worth of files and delete older ones. The KML format is <a href="http://www.digitalpreservation.gov/formats/fdd/fdd000340.shtml" title="KML format documentation from the Library of Congress">well-documented on the Library of Congress <em>Digital Formats</em> website</a>.</p> <p class=" ">NB: KML serializations of data for individual <em>places</em> can be had from links on the place pages, such as <a href="http://pleiades.stoa.org/places/579885/kml">http://pleiades.stoa.org/places/579885/kml</a> for Athens, or by a negotiated request for the resource <a href="http://pleiades.stoa.org/places/579885#this">http://pleiades.stoa.org/places/579885#this</a>.</p> <p class=" ">Download the latest version at <a class="external-link" href="https://atlantides.org/downloads/pleiades/kml/" target="_self" title="">https://atlantides.org/downloads/pleiades/kml/</a></p> <h3><a name="rdf"></a>Resource Description Framework (RDF)</h3> <p class=" ">The latest data for all <em>places</em>, <em>errata</em>, <em>authors</em>, <em>place types</em>, and <em>time periods</em> is available for download in Turtle (Terse RDF Triple Language). This is a gzip-compressed, TAR archive. Previous RDF dumps are also available. RDF dumps are updated weekly on Sundays.</p> <p class=" ">NB: RDF serializations of data for individual <em>places</em> — in both Turtle and RDF/XML syntax — can be had from links on the place pages, such as <a href="http://pleiades.stoa.org/places/579885/turtle">http://pleiades.stoa.org/places/579885/turtle</a> for Athens, or by a negotiated request for the resource <a href="http://pleiades.stoa.org/places/579885#this">http://pleiades.stoa.org/places/579885#this</a>. Please see the <a href="https://github.com/isawnyu/pleiades-rdf/blob/master/README.rst">README</a> in <a href="https://github.com/isawnyu/pleiades-rdf">https://github.com/isawnyu/pleiades-rdf</a> for a description of the RDF and the vocabularies and ontologies used.</p> <p class=" ">Download the latest version at at <a class="external-link" href="https://atlantides.org/downloads/pleiades/rdf/" target="_self" title="">https://atlantides.org/downloads/pleiades/rdf/</a>.</p> <h2 class=" ">Derived and Enhanced Versions</h2> <h3><a name="geojson"></a>Pleiades GeoJSON</h3> <p><a class="external-link" href="https://github.com/ryanfb/pleiades-geojson" target="_self" title="">A GeoJSON version of published *Pleiades* places</a> is generated regularly from <a class="anchor-link" href="#csv" target="_self" title="">the CSV export</a> using code developed by <a class="external-link" href="https://ryanfb.github.io/" target="_self" title="">Ryan Baumann</a> (Duke University Libraries). Note that it is an abridged dataset: all published places are represented, but only a subset of the attribute data is included. For comprehensive data, please make use of <a class="anchor-link" href="#json" target="_self" title="">the full *Pleiades* JSON dataset</a>.</p> <h3 class=" "><a name="plus"></a>Pleiades Plus</h3> <p class=" "><em>Pleiades Plus</em> (also known as <em>Pleiades+</em>) is an experimental machine alignment between <em>Pleiades</em> <em>place</em> resources and content in the <a href="http://www.geonames.org/">GeoNames gazetteer</a>. It pairs <a href="http://pleiades.stoa.org/help/what-are-pleiades-uris"><em>Pleiades</em> Uniform Resource Identifiers (URIs)</a> with <em>GeoNames</em> URIs when a given pair seems likely to identify the same place. This alignment was conceived and prototyped by Leif Isaksen (<a href="http://pelagios-project.blogspot.com/">Pelagios Project</a>) under the auspices of the <a href="http://googleancientplaces.wordpress.com/about/">Google Ancient Places project</a> (you can read <a href="http://googleancientplaces.wordpress.com/2011/01/24/pleiades-adapting-the-ancient-world-gazetteer-for-gap-%E2%80%93-by-leif-isaksen/">the original announcement from 2011 on the GAP Blog</a>). The current version is produced periodically by <a href="http://ryanfb.github.io/">Ryan Baumann</a> (Duke University Libraries). Code and data are available from <a href="https://github.com/ryanfb/pleiades-plus">https://github.com/ryanfb/pleiades-plus</a>. There is also <a href="https://github.com/ryanfb/pleiades-plus/blob/master/README.md">an essential README file</a>.</p> <p class=" "> </p> </div> </div> <div id="viewlet-below-content-body"> <div class="visualClear"></div> <div class="documentActions"> </div> </div> </div> </div> <div id="viewlet-below-content"> </div> </div> <div class="visualClear" id="clear-space-after-portal-wrapper"></div> </div> </div> <div id="portal-footer-wrapper" class="row"> <div class="cell width-full position-0"> <div id="portal-footer"> <p> Copyright © Ancient World Mapping Center and Institute for the Study of the Ancient World. Sharing and remixing permitted under terms of the Creative Commons Attribution 3.0 License (cc-by). Please see our <a href="https://pleiades.stoa.org/credits">credits</a>. </p> </div> <div id="portal-colophon"> <div class="colophonWrapper"> <ul> <li> <a href="http://plone.org" title="This site was built using the Plone Open Source CMS/WCM."> Powered by Plone & Python</a> </li> </ul> </div> </div> <ul id="portal-siteactions"> <li id="siteaction-contact"><a href="https://pleiades.stoa.org/contact-info" accesskey="9" title="Contact">Contact</a></li> <li id="siteaction-help"><a href="https://pleiades.stoa.org/help" accesskey="" title="Help">Help</a></li> </ul> </div> </div> </div> </div> </body> </html>

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