[PPT] - PAN 2010 Uncovering Plagiarism, Authorship, and Social Software PowerPoint Presentation

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PAN 2010

Uncovering Plagiarism, Authorship, and Social Software Misuse

Webis @ Bauhaus-Universität Weimar NLEL @ Universidad Politécnica de Valencia University of the Aegean Bar-Ilan University http://pan.webis.de

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Who we are...

Benno Stein Paolo Rosso Efstathios Stamatatos Moshe Koppel Martin Potthast Alberto Barrón-Cedeño Andreas Eiselt Teresa Holfeld

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PAN Overview

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PAN Overview

Mission

❑ Plagiarism Detection

– text plagiarism within and across languages, multimedia plagiarism – text reuse, paraphrasing, information flow, meme tracking – near-duplicates, high-similarity search, fingerprinting, hash-based search

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PAN Overview

Mission

❑ Plagiarism Detection

– text plagiarism within and across languages, multimedia plagiarism – text reuse, paraphrasing, information flow, meme tracking – near-duplicates, high-similarity search, fingerprinting, hash-based search

❑ Authorship Identification

– models for authorship verification, authorship attribution, and writing style – models to capture personal traits and sentiment – text forensics, ghostwriting, intrinsic plagiarism detection

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PAN Overview

Mission

❑ Plagiarism Detection

– text plagiarism within and across languages, multimedia plagiarism – text reuse, paraphrasing, information flow, meme tracking – near-duplicates, high-similarity search, fingerprinting, hash-based search

❑ Authorship Identification

– models for authorship verification, authorship attribution, and writing style – models to capture personal traits and sentiment – text forensics, ghostwriting, intrinsic plagiarism detection

❑ Social Software Misuse

– serial sharing, lobbyism, spam – trolling, stalking, Wikipedia vandalism – social trust, anonymity and de-anonymization

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PAN Overview

Mission & Tasks

❑ Plagiarism Detection

– text plagiarism within and across languages, multimedia plagiarism – text reuse, paraphrasing, information flow, meme tracking – near-duplicates, high-similarity search, fingerprinting, hash-based search

❑ Authorship Identification

– models for authorship verification, authorship attribution, and writing style – models to capture personal traits and sentiment – text forensics, ghostwriting, intrinsic plagiarism detection

❑ Social Software Misuse

– serial sharing, lobbyism, spam – trolling, stalking, Wikipedia vandalism – social trust, anonymity and de-anonymization

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Plagiarism is the practice of claiming, or implying, original authorship

f someone else’s written or creative work, in whole or in part, into
ne’s own without adequate acknowledgment.

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Plagiarism is the practice of claiming, or implying, original authorship

f someone else’s written or creative work, in whole or in part, into
ne’s own without adequate acknowledgment.

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Plagiarism is the practice of claiming, or implying, original authorship

f someone else’s written or creative work, in whole or in part, into
ne’s own without adequate acknowledgment.

[Wikipedia: Plagiarism, 2009]

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... better technology nowadays ;–)

+

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... better technology nowadays ;–)

+ ? ❀

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Research Questions

❑ Is plagiarism a problem with respect to education? ❑ Is there a misunderstanding wrt. an evolving cultural technique? ❑ Can plagiarism be detected by humans? ❑ Can plagiarism be detected by machines? ❑ Should automatic plagiarism detection algorithms become standard?

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Plagiarism Detection

Research Questions

❑ Is plagiarism a problem with respect to education? ❑ Is there a misunderstanding wrt. an evolving cultural technique? ❑ Can plagiarism be detected by humans? ❑ Can plagiarism be detected by machines? ❑ Should automatic plagiarism detection algorithms become standard?

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Plagiarism Detection

Research Questions

❑ Is plagiarism a problem with respect to education? ❑ Is there a misunderstanding wrt. an evolving cultural technique? ❑ Can plagiarism be detected by humans? ❑ Can plagiarism be detected by machines? ❑ Should automatic plagiarism detection algorithms become standard?

For several reasons we should say “text reuse” rather than “plagiarism”.

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Vandalism Detection

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Vandalism Detection in Padua

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