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Upcoming Events: Bibliographic References: New Procedures (3 November 2026) Nov 03, 2026 05:00 PM - 06:00 PM; Bibliographic References: New Procedures (6 November 2026) Nov 06, 2026 08:00 AM - 09:00 AM; Getting Started Workshop 1: Finding and Using (November 2026) Nov 09, 2026 09:00 AM - 11:00 AM; Getting Started Workshop 2: Modifying and Adding (November 2026) Nov 11, 2026 09:00 AM - 11:00 AM; Getting Started Workshop 3: Bibliography (November 2026) Nov 16, 2026 09:00 AM; Upcoming events…

Pleiades in the Fediverse: 14 October 2026

Export Updates 2026-10-14:
Pleiades gazetteer of ancient places
5 new and 121 updated places. 4 new and 14 updated linked data sidebars.
1. Downloads: https://pleiades.stoa.org/downloads
2. pleiades.datasets: https://github.com/isawnyu/pleiades.datasets:
"main" branch:
d1ebe8cd - updated json
no change: rdf/ttl
329e30d3 - updated gis package
10bd4d7f - updated data quality
34cc4562 - updated bibliography
28013ac3 - updated indexes
d8c06f28 - updated sidebar
3. pleiades-geojson: https://github.com/ryanfb/pleiades-geojson:
45f15fb8 - updated geojson and names index
4. pleiades_wikidata: https://github.com/isawnyu/pleiades_wikidata/:
196f44e1 - updated pleiades wikidata; 13 October 2026

Export Updates 2026-10-13:
Pleiades gazetteer of ancient places
6 new and 15 updated places. 16 new and 18 updated linked data sidebars.
1. Downloads: https://pleiades.stoa.org/downloads
2. pleiades.datasets: https://github.com/isawnyu/pleiades.datasets:
"main" branch:
f6436ab8 - updated json
no change: rdf/ttl
671bfa09 - updated gis package
5fe22394 - updated data quality
3ed5b138 - updated bibliography
8cbf4f2b - updated indexes
e0ad89ca - updated sidebar
3. pleiades-geojson: https://github.com/ryanfb/pleiades-geojson:
2ba7efb7 - updated geojson and names index
4. pleiades_wikidata: https://github.com/isawnyu/pleiades_wikidata/:
492cc890 - updated pleiades wikidata; 12 October 2026

Last Week in the #PleiadesGazetteer (5-12 October 2026): over the course of the last week the Pleiades editorial college published 11 new and 136 updated place resources, reflecting the work of Jeffrey Becker, Catherine Bouras, Anika Campbell, Damian Noah Dimitrov, Tom Elliott, Greta Hawes, Brady Kiesling, Chris de Lisle, Gabriel Mckee and R. Scott Smith.
A list of all new and changed resources complete with titles, descriptions, bylines, change summaries and links to the actual gazetteer entries, as well as an overview map, may be read on the blog at https://pleiades.stoa.org/news/blog/last-week-in-pleiades-5-12-october-2026
#ancientGeography #ancientHistory #archaeology #classics #DH #gazetteers #HGIS #SpatialHumanities; 12 October 2026

Export Updates 2026-10-12:
Pleiades gazetteer of ancient places
3 new and 118 updated places. 2 new and 40 updated linked data sidebars. Inbound links from Wikidata are out of date because the Wikidata query service was not available at runtime.
1. Downloads: https://pleiades.stoa.org/downloads
2. pleiades.datasets: https://github.com/isawnyu/pleiades.datasets:
"main" branch:
a266480d - updated json
3a663393 - updated rdf/ttl
eeea603d - updated gis package
18349693 - updated data quality
68b4d1e0 - updated bibliography
877b8c0d - updated indexes
bdc06e2e - updated sidebar
3. pleiades-geojson: https://github.com/ryanfb/pleiades-geojson:
ccddf8c7 - updated geojson and names index
4. pleiades_wikidata: https://github.com/isawnyu/pleiades_wikidata/:
00f3c52c - updated pleiades wikidata; 09 October 2026

Export Updates 2026-10-09:
Pleiades gazetteer of ancient places
28 updated places.
1. Downloads: https://pleiades.stoa.org/downloads
2. pleiades.datasets: https://github.com/isawnyu/pleiades.datasets:
"main" branch:
3aef19b0 - updated json
no change: rdf/ttl
487270dd - updated gis package
6383ea86 - updated data quality
1b4a95ba - updated bibliography
8d7399fa - updated indexes
no change: sidebar
3. pleiades-geojson: https://github.com/ryanfb/pleiades-geojson:
c4d189fa - updated geojson and names index
4. pleiades_wikidata: https://github.com/isawnyu/pleiades_wikidata/:
532958ad - updated pleiades wikidata; Pleiades in the Fediverse - More…

You are here: Home → Project news and content updates → Pleiades Project Blog → Introducing Geocollider

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Introducing Geocollider

Last modified Jun 08, 2017 02:56 PM

tags: blog

A new tool to help you match lists of placenames or geographic locations against the Pleiades gazetteer.

The Pleiades community is pleased to announce the "public beta" of a new software tool for working with Pleiades data: Geocollider. The Pleiades Geocollider is a web application that takes input from a user in the form of a comma-separated or tab-separated data file. The input data file may contain a list of placenames, of geographic locations, or both. Geocollider attempts to align this dataset with the Pleiades gazetteer, returning to the user a comma-separated file containing information about possible matches.

Geocollider is under active development by the Pleiades project. The software was conceived and created by Ryan Baumann of the Duke Collaboratory for Classics Computing. Funding for the development of Geocollider was provided by a grant from the National Endowment for the Humanities (grant number HK-230973-15) to New York University for a variety of improvements to Pleiades. The Geocollider work has been performed under a subaward from NYU to Duke. The code for Geocollider is written in Ruby, and has been released on GitHub under terms of an open-source MIT license. Code for the "front end" used to host Geocollider on the web is also available.

We invite you to give Geocollider a try, and to report back on your experience with the tool. An email to pleiades.admin@nyu.edu will suffice to reach us, but opening an issue report at GitHub about a problem or a requested feature will also work.