µRaptor: A DOM-based system with appetite for hCard elements

Emir Muñoz; Luca Costabello; Pierre-Yves Vandenbussche

doi:10.13025/21411

µRaptor: A DOM-based system with appetite for hCard elements

Emir Muñoz
, Luca Costabello
, Pierre-Yves Vandenbussche

Research output: Contribution to conference (Published) › Paper

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Abstract

This paper describes µRaptor, a DOM-based method to extract hCard microformats from HTML pages stripped of microformat markup. µRaptor extracts DOM sub-trees, converts them into rules, and uses them to extract hCard microformats. Besides, we use co-occurring CSS classes to improve the overall precision. Results on train data show 0.96 precision and 0.83 F1 measure by considering only the most common tree patterns. Furthermore, we propose the adoption of additional constraint rules on the values of hCard elements to further improve the extraction.

Original language	English (Ireland)
DOIs	https://doi.org/10.13025/21411
Publication status	Published - 1 Jan 2014
Externally published	Yes

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10.13025/21411Licence: CC BY-NC-ND

LD4IE 2014 challengeAccepted author manuscript, 425 KBLicence: CC BY-NC-ND

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title = "µRaptor: A DOM-based system with appetite for hCard elements",

abstract = "This paper describes µRaptor, a DOM-based method to extract hCard microformats from HTML pages stripped of microformat markup. µRaptor extracts DOM sub-trees, converts them into rules, and uses them to extract hCard microformats. Besides, we use co-occurring CSS classes to improve the overall precision. Results on train data show 0.96 precision and 0.83 F1 measure by considering only the most common tree patterns. Furthermore, we propose the adoption of additional constraint rules on the values of hCard elements to further improve the extraction.",

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N2 - This paper describes µRaptor, a DOM-based method to extract hCard microformats from HTML pages stripped of microformat markup. µRaptor extracts DOM sub-trees, converts them into rules, and uses them to extract hCard microformats. Besides, we use co-occurring CSS classes to improve the overall precision. Results on train data show 0.96 precision and 0.83 F1 measure by considering only the most common tree patterns. Furthermore, we propose the adoption of additional constraint rules on the values of hCard elements to further improve the extraction.

AB - This paper describes µRaptor, a DOM-based method to extract hCard microformats from HTML pages stripped of microformat markup. µRaptor extracts DOM sub-trees, converts them into rules, and uses them to extract hCard microformats. Besides, we use co-occurring CSS classes to improve the overall precision. Results on train data show 0.96 precision and 0.83 F1 measure by considering only the most common tree patterns. Furthermore, we propose the adoption of additional constraint rules on the values of hCard elements to further improve the extraction.

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µRaptor: A DOM-based system with appetite for hCard elements

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