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Building an Access-Controlled IIIF Digital Archive — Cantaloupe + S3 + Elasticsearch + Next.js, Gated by Cloudflare Access

An implementation log for a digital archive that delivers historical photographs which cannot be made fully public, while still preserving the benefits of IIIF (spec-compliant high-resolution viewer, manifest delivery) for an authorized membership. The stack is Cantaloupe (IIIF server) + S3-compatible storage + Elasticsearch (search) + Next.js (UI) + Cloudflare Tunnel + Access. We also lay out where IIIF Auth API 2.0 would fit in for cross-host interoperability.

iiifcantaloupeelasticsearchnextjs

Comparing NDL Koten OCR-Lite and Cloud Vision API on a Jiaxing Tripitaka 'Mahāprajñāpāramitā Sūtra' — Observations across 105 Images

We applied two OCR engines — Japan's National Diet Library NDL Koten OCR-Lite and Cloud Vision API DOCUMENT_TEXT_DETECTION — to 105 IIIF images of fascicles 571–575 of the Mahāprajñāpāramitā Sūtra in the Jiaxing Tripitaka held by Yūrenja (formerly the Hōonzō of Zōjōji), and compared the patterns of error in their outputs. NDL produced phantom kana lines on 12 pages; Vision picked up color charts, rulers, and shelf labels as if they were body text on all 105.

ocrndl-koten-ocrgoogle-vision-apiiiif

Pitfalls of Converting TEI XML Standoff Annotations to Inline, and a DOM-Based Solution

A record of a document structure corruption bug encountered while converting TEI XML standoff annotations to inline for a Vue.js viewer in the Digital Engishiki project, and the DOM-based solution.

teixmlpythonbeautifulsoup

🖼️Fixing Universal Viewer 4.x "Unknown content type" Error with Local Hosting

Documenting the cause and fix for the "Unknown content type" error in Universal Viewer 4.x, resolved by self-hosting with a custom initialization.

iiifuniversal-viewernuxtdigital-humanities

🎬Digital Tale of Genji Video Subtitle Project: Publishing Bilingual Subtitles with IIIF v3 Manifests

A project adding Japanese/English bilingual subtitles to Digital Tale of Genji tutorial videos, published as IIIF v3 manifests

iiifwebvttdigital-humanitiesgenji

📝CATMA: A Guide to Web-Based Text Annotation and Analysis

An introduction to CATMA, the web-based text annotation and analysis platform developed by forTextLab at the University of Hamburg.

catmatext-annotationtext-analysisdigital-humanities

📊Datawrapper: A Data Visualization Tool for Researchers and Journalists

Datawrapper is a data visualization tool for easily creating charts, maps, and tables. It supports 20+ chart types, choropleth maps, and provides responsive and accessible visualizations.

datawrapperchartmapdata-visualization

🎬Flourish: An Interactive Data Storytelling Platform

Flourish is a platform for creating interactive data visualizations including race charts, animated maps, and interactive stories. With 30+ templates, it is adopted by BBC, Google, and more. Free plan available.

flourishdata-visualizationanimationstorytelling

📜FromThePage: Crowdsourcing Transcription for Historical Documents

An overview of FromThePage, the crowdsourcing transcription platform for historical documents, and its applications in Digital Humanities.

fromthepagetranscriptioncrowdsourcingiiif

🕸️Gephi Lite: Browser-Based Network Visualization for Digital Humanities

An introduction to Gephi Lite, the browser version of the popular network visualization tool Gephi, and its practical applications in Digital Humanities research.

gephinetwork-visualizationgraph-analysisdigital-humanities

📝Hypothes.is: An Open-Source Web Annotation Tool Compliant with W3C Standards

Hypothes.is is an open-source annotation tool compliant with the W3C Web Annotation standard. It enables highlights and comments on any web page, used in education, research, and journalism. BSD licensed.

hypothesisannotationw3ceducation

🏛️Internet Archive: Leveraging the World's Largest Digital Archive

An overview of Internet Archive, the world's largest digital archive, and how it can be used in Digital Humanities research.

internet-archivewayback-machinedigital-archiveopen-access

🌍Kepler.gl: An Open-Source Tool for Beautiful Large-Scale Geospatial Data Visualization

An overview of Kepler.gl, Uber's large-scale geospatial data visualization tool, and how it can be used in Digital Humanities research.

kepler-glgeospatialgisdata-visualization

📊Observable: Data Visualization Notebooks by the Creator of D3.js

An introduction to Observable, the JavaScript-based data analysis and visualization notebook platform by D3.js creator Mike Bostock, and its applications in Digital Humanities.

observabled3jsdata-visualizationjavascript

🏛️Omeka: A Platform for Digital Collections and Online Exhibitions

An overview of Omeka, an open-source platform for managing digital collections and building online exhibitions, including Omeka S with Linked Data support for libraries, museums, and universities.

omekadigital-collectionsexhibitionlinked-data

🗺️Palladio: A Guide to Humanities Data Visualization

An introduction to Palladio, the data visualization tool developed by Stanford's Humanities+Design Lab for exploring historical and humanities data.

palladiostanforddata-visualizationmaps

📊RAWGraphs: A No-Code Data Visualization Tool for Digital Humanities

An introduction to RAWGraphs, a browser-based no-code visualization tool that transforms CSV/TSV data into 30+ chart types, and how it can be applied in Digital Humanities research.

rawgraphsdata-visualizationno-codedigital-humanities

💾ReplayWeb.page: A Browser-Based Web Archive Replay Tool

ReplayWeb.page is a tool for replaying WARC/WACZ web archives directly in the browser. It operates entirely client-side using Service Workers, requiring no server infrastructure.

web-archivewarcwebrecorderdigital-preservation

🌍StoryMapJS: A Guide to Map-Based Storytelling

Learn how to create interactive map-based stories using Knight Lab's StoryMapJS, with slide-based navigation and animated map transitions.

storymapjsstorymapknight-labmaps

🏷️Taguette: A Free Open-Source Qualitative Data Analysis Tool

An overview of Taguette, a free open-source qualitative data analysis tool, and how it can be used for text analysis in Digital Humanities.

taguettequalitative-analysisqdatext-analysis

📜TEI Publisher: A Platform for Publishing TEI XML Digital Editions

An overview of TEI Publisher, a platform for publishing TEI XML digital editions, and its applications in Digital Humanities.

teixmlpublishingdigital-edition

⏳TimelineJS: Create Interactive Timelines from Spreadsheets

Learn how to create interactive timelines from Google Spreadsheets using Knight Lab's TimelineJS, no programming required.

timelinejstimelineknight-labstorytelling

✍️Transkribus: AI-Powered Handwritten Text Recognition for Historical Documents

An introduction to Transkribus, an AI-based handwritten text recognition platform supporting 100+ languages, and its applications in Digital Humanities research for transcribing historical documents.

transkribusocrhtrhandwriting

🔍Voyant Tools: A Browser-Based Text Analysis Platform for Digital Humanities

An introduction to Voyant Tools, a browser-based text analysis platform offering word clouds, KWIC, co-occurrence analysis, topic modeling, and more for DH research.

voyant-toolstext-analysisnlpdigital-humanities

🔍Wikidata Query Service: Exploring Knowledge Graphs with SPARQL

Learn how to use Wikidata Query Service to search and visualize over 100 million items using SPARQL queries.

wikidatasparqllinked-open-dataknowledge-graph

TETRAS-IIIF: Annotation, Video, and Multi-User Extensions for Mirador 4

An overview of the TETRAS-IIIF ecosystem for Mirador 4: annotation editing (MAE), video annotation (MAEV), and multi-user collaboration (MMU).

iiifmiradorannotationvideo

IIIF Georeference Viewer: Visualizing Georeferenced Content on Interactive Maps

Introducing a viewer for IIIF Georeference Extension. Overlay historical maps and images on interactive maps.

iiifgisdigital-humanitiesnuxt

Mirador: A Feature-Rich IIIF Viewer for Comparing and Annotating Images

An introduction to Mirador, the IIIF viewer. Multi-window image comparison, annotations, plugin extensions, and more.

iiifmiradordigital-humanitiesviewer

Tify: A Lightweight, Fast IIIF Document Viewer

Introducing Tify, a lightweight and fast IIIF viewer with mobile support, full-text search, table of contents, and more.

iiiftifydigital-humanitiesviewer

Universal Viewer: A Multi-Format IIIF Viewer for Images, Audio, Video, and 3D

An introduction to Universal Viewer, a versatile IIIF viewer that supports images, audio, video, 3D, and PDF content.

iiifuniversal-viewerdigital-humanitiesviewer