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Named Entity Extraction

Named Entity Extraction. Richard North, III REU-CS University of Houston. Named Entity Recognition (NER). The process of finding mentions of specified things in running text Breaking the mentions into predefined categories such name, location, organization, time, etc.

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Named Entity Extraction

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  1. Named Entity Extraction Richard North, III REU-CS University of Houston

  2. Named Entity Recognition (NER) • The process of finding mentions of specified things in running text • Breaking the mentions into predefined categories such name, location, organization, time, etc. • Using NER to detect fraudulent actions

  3. URL Phishing • Only Looking at the URL • How Spammers Fool Users • Comparing Legitimate URLs w/ Phishing URLs • I’m a Victim! • Fun Facts • In 2007, 3.6M adults lost a total of $3.2B • 50-75% of phishing URLs contain the name of the brand they are targeting

  4. Only Looking at the URL

  5. How Spammers Fool Users

  6. Comparing Legitimate URLs w/ Phishing URLs • Legitimate • https://www.paypal.com/us/cgi-bin/webscr?cmd=_login-submit • Phishing • http://www.paypal.com-webapps.limtedsesion.com/325f1428a730b5c43a868f2a1b9...

  7. I’m a Victim! • PROOF!

  8. References • https://www.usenix.org/legacy/events/leet08/tech/full_papers/mcgrath/mcgrath_html/ • http://cseweb.ucsd.edu/~savage/papers/TIST11.pdf • https://www.phishtank.com

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