An evaluation of taxonomic name finding & next steps in Biodiversity Heritage Library (BHL) developments
•Télécharger en tant que PPT, PDF•
2 j'aime•1,612 vues
![Goals of BHL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://www.biodiversitylibrary.org](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommandé
Recommandé
Contenu connexe
Tendances
Tendances (20)
Similaire à An evaluation of taxonomic name finding & next steps in Biodiversity Heritage Library (BHL) developments
Similaire à An evaluation of taxonomic name finding & next steps in Biodiversity Heritage Library (BHL) developments (20)
Plus de Chris Freeland
Plus de Chris Freeland (20)
Dernier
Dernier (20)
An evaluation of taxonomic name finding & next steps in Biodiversity Heritage Library (BHL) developments
- 1. An evaluation of taxonomic name finding & next steps in Biodiversity Heritage Library (BHL) developments Chris Freeland Technical Director, BHL Director of Bioinformatics, Missouri Botanical Garden
- 6. Complexities of distributed, mass scanning from NYBG from Smithsonian
- 7. Open Access Data The snakes of Australia ; an illustrated and descriptive catalogue of all the known species. By Gerard Krefft... Publisher: Sydney,T. Richards, Government Printer,1869. PDF OCR XML JP2
- 8. Name Finding via TaxonFinder
- 9. Raw Image Converted to text via OCR Name finding via TaxonFinder Extract names Submit to NameBank SOAP response Name Finding in action with Taxonomic Intelligence…
- 15. Characteristics of sample = 86.91% 2610 Total Number of Unique Names 3003 Total Number of Names 7.7 Average Number of Names per Page 446.8 Average Number of Words per Page 392 Number of Pages
- 16. OCR error rate for names only Top OCR errors Of the 3,003 names, 1,056 were incorrectly transcribed by OCR. e->o 14 c->e 7 h->ii 13 i->l 6 h->l 12 u->n 5 u->ii 11 u->I 4 r->i 10 e->c 3 l->i 9 Omit Space 2 n->v 8 Insert Space 1 35.16%
- 17. Performances of algorithms TaxonFinder FAT Excluding names with OCR errors Including names with OCR errors 28.20% 40.32% Precision 23.34% 36.62% Recall 25.77% 38.47% F-score 32.25% 43.77% Precision 17.21% 25.82% Recall 24.73% 34.80% F-score