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Universitatea „Al. I. Cuza”, Iași, România

   Facultatea de Informatică



   Supravegherea pe Internet:
     Extragerea de Informaţii de pe
       Facebook,Twitter,Wikipedia și Yahoo




    Daniel Amariei,   Marius Tulbure,   Adrian Iftene
{daniel.amariei, marius.tulbure, adiftene}@infoiasi.ro



 RoCHI2010, 2-3 Septembrie, București
Cuprins
   Context
    ◦   Scurt istoric
    ◦
        Necesitatea proiectului
    ◦
        Publicul țintă
   Sistemul construit
    ◦
        Interfața utilizator
    ◦
        Extragerea informațiilor
    ◦   Analiză Sentimente
   Concluzii

RoCHI2010, 2-3 Septembrie, București
Context >>        Scurt Istoric


 Motive legate de securitate
  (atentatele internaționale din ultimii ani)
 Interesele comerciale ale marilor firme
 Monitorizarea datelor și a traficului pe internet
 Creșterea exponențială a cantității de informație
 Necesitatea structurării, procesării și rafinării
  informației




RoCHI2010, 2-3 Septembrie, București
Context >>        Necesitatea proiectului




RoCHI2010, 2-3 Septembrie, București
Context >>          Publicul țintă

   Persoanele ce doresc:

    ◦   Aflarea opiniilor existente legate de anumite
        evenimente sau produse de consum și extragerea
        informațiilor disponibile.

    ◦
        Clasificare informațiilor găsite în păreri pozitive și
        în păreri negative.




RoCHI2010, 2-3 Septembrie, București
Sistemul construit




RoCHI2010, 2-3 Septembrie, București
Sistemul >>     Interfața utilizator




  RoCHI2010, 2-3 Septembrie, București
Sistemul >>     Extragerea informatiilor

     Utilizarea API-urilor
     Rețele sociale (Facebook , Twitter)
     Motoare de căutare (Yahoo )
     Enciclopedii virtuale (Wikipedia)

     Posibilitatea selectării surselor de extragere a
      informațiilor




  RoCHI2010, 2-3 Septembrie, București
Sistemul >>         Analiză sentimente
     Stabilirea sentimentelor informațiilor găsite.
     Bază de date (dicționar) a categoriilor de
      cuvinte posibile.

     Categorii posibile:
      ◦
          Pozitiv
           Declanșatori (admire, excellent, pleased, etc).


      ◦
          Negativ
           Declanșatori (annoying, horrible, fail, etc.)



  RoCHI2010, 2-3 Septembrie, București
Exemplu




RoCHI2010, 2-3 Septembrie, București
Exemplu 2




RoCHI2010, 2-3 Septembrie, București
Concluzii

 Sistemul construit extrage informațiile
  existente pe Internet, ajutând la formarea
  unei păreri complexe (calitativ/cantitativ)
  despre un produs, eveniment, etc.
 Îmbunătățiri:
    ◦   Lărgirea sferei de utilizare a API-urilor existente
    ◦
        Folosirea “Google translate” pentru identificarea
        opiniilor pozitive/negative indiferent de limbă



RoCHI2010, 2-3 Septembrie, București
Mulțumiri

Universitatea „Al. I. Cuza”,
               Iași, România


Facultatea de Informatică
   Grupa A6       Anul 2




RoCHI2010, 2-3 Septembrie, București
MULȚUMIM


                          Întrebări ?



RoCHI2010, 2-3 Septembrie, București

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Internet surveillance

  • 1. Universitatea „Al. I. Cuza”, Iași, România Facultatea de Informatică Supravegherea pe Internet: Extragerea de Informaţii de pe Facebook,Twitter,Wikipedia și Yahoo Daniel Amariei, Marius Tulbure, Adrian Iftene {daniel.amariei, marius.tulbure, adiftene}@infoiasi.ro RoCHI2010, 2-3 Septembrie, București
  • 2. Cuprins  Context ◦ Scurt istoric ◦ Necesitatea proiectului ◦ Publicul țintă  Sistemul construit ◦ Interfața utilizator ◦ Extragerea informațiilor ◦ Analiză Sentimente  Concluzii RoCHI2010, 2-3 Septembrie, București
  • 3. Context >> Scurt Istoric  Motive legate de securitate (atentatele internaționale din ultimii ani)  Interesele comerciale ale marilor firme  Monitorizarea datelor și a traficului pe internet  Creșterea exponențială a cantității de informație  Necesitatea structurării, procesării și rafinării informației RoCHI2010, 2-3 Septembrie, București
  • 4. Context >> Necesitatea proiectului RoCHI2010, 2-3 Septembrie, București
  • 5. Context >> Publicul țintă  Persoanele ce doresc: ◦ Aflarea opiniilor existente legate de anumite evenimente sau produse de consum și extragerea informațiilor disponibile. ◦ Clasificare informațiilor găsite în păreri pozitive și în păreri negative. RoCHI2010, 2-3 Septembrie, București
  • 6. Sistemul construit RoCHI2010, 2-3 Septembrie, București
  • 7. Sistemul >> Interfața utilizator RoCHI2010, 2-3 Septembrie, București
  • 8. Sistemul >> Extragerea informatiilor  Utilizarea API-urilor  Rețele sociale (Facebook , Twitter)  Motoare de căutare (Yahoo )  Enciclopedii virtuale (Wikipedia)  Posibilitatea selectării surselor de extragere a informațiilor RoCHI2010, 2-3 Septembrie, București
  • 9. Sistemul >> Analiză sentimente  Stabilirea sentimentelor informațiilor găsite.  Bază de date (dicționar) a categoriilor de cuvinte posibile.  Categorii posibile: ◦ Pozitiv  Declanșatori (admire, excellent, pleased, etc). ◦ Negativ  Declanșatori (annoying, horrible, fail, etc.) RoCHI2010, 2-3 Septembrie, București
  • 11. Exemplu 2 RoCHI2010, 2-3 Septembrie, București
  • 12. Concluzii  Sistemul construit extrage informațiile existente pe Internet, ajutând la formarea unei păreri complexe (calitativ/cantitativ) despre un produs, eveniment, etc.  Îmbunătățiri: ◦ Lărgirea sferei de utilizare a API-urilor existente ◦ Folosirea “Google translate” pentru identificarea opiniilor pozitive/negative indiferent de limbă RoCHI2010, 2-3 Septembrie, București
  • 13. Mulțumiri Universitatea „Al. I. Cuza”, Iași, România Facultatea de Informatică Grupa A6 Anul 2 RoCHI2010, 2-3 Septembrie, București
  • 14. MULȚUMIM Întrebări ? RoCHI2010, 2-3 Septembrie, București