OCR for ancient Greek

2014-05-05T19:57:13Z

NickWhite: Add ancientgreekocr.org tesseract option

* [http://ancientgreekocr.org Ancient Greek OCR] provides downloads and instructions for OCR using the [http://code.google.com/p/tesseract-ocr Tesseract] engine. Works on Windows, Linux, OSX & Android.
* The [http://gamera.informatik.hsnr.de/ Gamera] toolkit for analysing and scanning complex texts includes some experiments with polytonic Greek
* Bruce Robertson reports on some preliminary results of a survey of techniques: http://www.heml.org/RobertsonGreekOCR/
* Federico Boschetti did some earlier experimentation with adapting/training Google's OCR engine [http://code.google.com/p/tesseract-ocr/ tesseract] to ancient Greek texts: http://www.himeros.eu/ ([http://www.perseus.tufts.edu/~ababeu/ecdl2009-preprint.pdf related paper])
* The commercial OCR software [http://www.ideatech-online.com/index.php?option=com_content&task=view&id=23&Itemid=27 Anagnostis] (€585) can handle ancient Greek, though apparently poorly
* [http://finereader.abbyy.com/ ABBYY FineReader] can be made to work with ancient Greek with extensive training
* Google Docs now allows you to have it do [http://googledocs.blogspot.com/2011/02/optical-character-recognition-ocr-in-34.html OCR on uploaded documents in a variety of languages], and you can get some results by specifying "Greek" and uploading a PDF (images seem not to work). Quality is about on the level of Google Books OCR of printed ancient Greek.

===alternatives===

* [http://accesstei.apexcovantage.com/ AccessTEI] is a service for members of the TEI for manual keying of texts which can handle ancient Greek

==External links==
* [https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind1005&L=DIGITALCLASSICIST&F=&S=&P=2180 Discussion of ancient Greek OCR software on Digital Classicist mailing list]
* [http://www.odl.ox.ac.uk/papers/OCRFeasibility_final.pdf Deciding whether Optical Character Recognition is feasible, Simon Tanner (KDCS), 2004]

[[category:FAQ]]
[[category:Tools]]

Vocabularies for classicists

2013-04-05T22:46:24Z

NickWhite: /* Bibliography and Texts */ Added Open Annotation

Classicists working on digital projects that involve data are encouraged to link their data to the [http://semanticweb.org/ semantic web]. In thinking about new vocabularies, whether for subjects, predicates, or objects of triples, one should begin with a survey of what already exists. By using one another's vocabularies, we reinforce the interoperability, and therefore utility, of our data. And it saves the time of having to reinvent the wheel. Below are a selection of vocabularies that may be useful to classicists.

== General ==
* [http://www.w3.org/TR/rdf-schema/ RDF Vocabulary Description Language, also known as RDF Schema (RDFS)]
* [http://www.w3.org/TR/owl-features/ Web Ontology Language (OWL)]
* [http://www.w3.org/2004/02/skos/ Simple Knowledge Organization System (SKOS)]
* [http://dublincore.org/ Dublin Core]
* [http://www.foaf-project.org/ Friend of a Friend]
* [http://wikipedia.org/ Wikipedia]
* [http://dbpedia.org/ DBPedia]
''See [http://semanticweb.org/wiki/Ontology others here].''

== Bibliography and Texts ==
''It is helpful to understand something about the hierarchy of texts (such as the one adopted by [http://en.wikipedia.org/wiki/Functional_Requirements_for_Bibliographic_Records Functional Requirements for Bibliographic Records] [FRBR]). Vocabularies describing ancient works in the abstract (under FRBR called works) will take a different approach than ones describing manuscripts, papyri, ostraca, etc. (under FRBR called items)''
* [http://datahub.io/dataset/linkedlccn Linked LCCN]
* [http://lcweb.loc.gov/marc/ Marc Codes List]
* [http://cts3.sourceforge.net/ Canonical Text Services]
* [http://www.openannotation.org Open Annotation]

== Geography ==
* [http://www.geonames.org/ Geonames]
* [http://linkedgeodata.org/About Linked GeoData]
* [http://pleiades.stoa.org/places Pleiades]

== Prosopography, persons ==
* [http://viaf.org/ VIAF]
* [http://isni.org/ ISNI]
* [http://www.lgpn.ox.ac.uk/ Lexicon of Greek Personal Names]

== Objects ==
* [http://nomisma.org/ Nomisma]
* [http://papyri.info Papyri.info]

== Topics ==
* [http://authorities.loc.gov/ Library of Congress Authorities]

For other examples of projects that use controlled vocabularies for linked open data, see the [[:category:linked open data|category listing]] as well as [[Very clean URIs]].

[[category:linked open data]] [[category:FAQ]] [[category:Citation in digital scholarship]]

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OCR for ancient Greek

Vocabularies for classicists