Arcomem training neer_beginner

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This presentation on Named Entity Evolution Recognition is part of the ARCOMEM training curriculum. Feel free to roam around or contact us on Twitter via @arcomem to learn more about ARCOMEM training on archiving Social Media.

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  • If one name is chosen, here Pope Benedict, all direct results are displayed. Then all direct co-references, all indirect co-references. Clicking on one will add the term frequencies in the chart so that it can be compared to the term frequency of the name.
  • Arcomem training neer_beginner

    1. 1. NEER: An Unsupervised Method for Named Entity Evolution Recognition (Beginner Level) Nina N. Tahmasebi, Thomas Risse L3S Research Center Hannover, Germany risse@L3s.de
    2. 2. Change Period Named Entity Evolution Named Entities (NE): people, places, companies... Characteristics of Named Entity Evolution (NEE)  Same thing but different terms over time  Change occurs over short periods of time  Small or no concept shift  Announced to the public repeatedly Goal: Find method for named entity evolution recognition independent from external knowledge sources Slide 2 Joseph Ratzinger Pope Benedict Pope Benedict XVI Benedict XVI Joseph Aloisius Ratzinger Cardinal Ratzinger Cardinal Joseph Ratzinger
    3. 3. Named Entity Evolution Recognizer (NEER) Slide 3 Filtering Finding Temporal Co-references Co-References Benedict XVI à Joseph Ratzinger à Cardinal Ratzinger 1. Pope Benedict XVI 2. Pope Benedict 3. Benedict XVI 4. Cardinal Ratzinger 5. Pope 6. Benedict Identifying Change Periods (Burst Detection) Extract Text NLP Processing Context Creation In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addresses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addresses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addresses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addr- esses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addr- esses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. In his latest address to American bishops visiting Rome, Pope Benedict XVI stressed that Catholic educators should remain true to the faith -- a reminder issued just in time for another tense season of commencement addr- esses. No, the pope did not mention Georgetown University by name when discussing the Catholic campus culture wars. Barack Obama Senator State Senator Barack Obama Senator-elect Barack Obama Senator Barack Obama Illinois Democrat Vladimir Putin President-elect Vladimir V Putin Minister Vladimir Putin Acting President Vladimir V Putin President Vladimir V Putin Processing Chain
    4. 4. fokas Demonstrator - results 4
    5. 5. THANK YOU CONTACT DETAILS Dr. Thomas Risse +49 511 762 17764 risse@L3S.de www.arcomem.eu

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