Language Specific and Topic Focused Web Crawling
Olena Medelyan, Stefan Schulz, Jan Paetzold, Michael Poprat, Kornél Markó
Abstract
We describe an experiment on collecting large language and topic specific corpora automatically by using a focused Web crawler. Our crawler combines efficient crawling techniques with a common text classification tool. Given a sample corpus of medical documents, we automatically extract query phrases and then acquire seed URLs with a standard search engine. Starting from these seed URLs, the crawler builds a new large collection consisting only of documents that satisfy both the language and the topic model. The manual analysis of acquired English and German medicine corpora reveals the high accuracy of the crawler. However, there are significant differences between both languages.- Anthology ID:
- L06-1125
- Volume:
- Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC’06)
- Month:
- May
- Year:
- 2006
- Address:
- Genoa, Italy
- Venue:
- LREC
- SIG:
- Publisher:
- European Language Resources Association (ELRA)
- Note:
- Pages:
- Language:
- URL:
- http://www.lrec-conf.org/proceedings/lrec2006/pdf/228_pdf.pdf
- DOI:
- Cite (ACL):
- Olena Medelyan, Stefan Schulz, Jan Paetzold, Michael Poprat, and Kornél Markó. 2006. Language Specific and Topic Focused Web Crawling. In Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC’06), Genoa, Italy. European Language Resources Association (ELRA).
- Cite (Informal):
- Language Specific and Topic Focused Web Crawling (Medelyan et al., LREC 2006)
- PDF:
- http://www.lrec-conf.org/proceedings/lrec2006/pdf/228_pdf.pdf