APh Corpus

authors:

• Matteo Romanello, matteo.romanello@gmail.com
• Eric Rebillard

Data and Goal

The main purpose of this corpus is to support the extraction of named entities--of interest to classical scholars--from secondary sources such as commentaries, journal papers, etc.

Content

• catalog.csv : CSV file with four column
  1. ID
  2. COLLECTION : (legacy information)
  3. TOKEN_COUNT : number of tokens
  4. LANG : abstract language
  5. BiBLIO : bibliographic information about the publication the abstract is about
• iob/ : contains the corpus one record per file stored as IOB format (3 columns: token, POS tag, NE label)
  • the name of each file--excluded the file extension--has a corresponding record in the catalog.csv file
• txt/ : contains the corpus as plain text, one record per file
  • the name of each file--excluded the file extension--has a corresponding record in the catalog.csv file
• ann/
• extra/

Visualizing and Annotating

Processing the Corpus

To parse the IOB files using NLTK's conll reader:

import nltk
corpus = nltk.corpus.reader.conll.ConllCorpusReader('./iob/', '.*\.txt',('words','pos','chunk'))
corpus.sents()
corpus.chunked_sents()
len(corpus.chunked_sents())

TODO

• manual correction of POS tags
• improve quality and readability of the biblio field