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Research Paper Recommender Systems: A Random-Walk Based Approach Marco Gori and  Augusto Pucci Dipartimento di Ingegneria dell’Informazione University of Siena Via Roma 56, 53100 Siena (ITALY)
Paper Recommending Problem ,[object Object],[object Object],[object Object],[object Object],[object Object]
Our Goal
PaperRank Algorithm (iterative) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PaperRank as a linear operator ,[object Object],[object Object],[object Object]
Experimental Results (PaperRank) 1 2 3 4 5 6 7 8 9 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 % nelle prime 10 posizioni PAPER RANK Test/Train = 20% / 80% Test/Train = 30% / 70% Test/Train = 40% / 60% Test/Train = 50% / 50% (1) - Distributed DB 744 nodi (2) - Feature Extraction 621 nodi (3) - HMM 407 nodi (4) - Multiprocessors 901 nodi (5) - Page Rank 654 nodi (6) - Rec. System 699 nodi (7) - Rel. Feedback 984 nodi (8) - Semantic Web 1144 nodi (9) - SVM 463 nodi
Experimental Results (CT)
Experimental Results (L + )
Experimental Results (PaperRank 2k)
Future Works ,[object Object],[object Object],[object Object],[object Object]

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WIC2006 - Research Paper Recommender Systems: A Random-Walk Based Approach

  • 1. Research Paper Recommender Systems: A Random-Walk Based Approach Marco Gori and Augusto Pucci Dipartimento di Ingegneria dell’Informazione University of Siena Via Roma 56, 53100 Siena (ITALY)
  • 2.
  • 4.
  • 5.
  • 6. Experimental Results (PaperRank) 1 2 3 4 5 6 7 8 9 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 % nelle prime 10 posizioni PAPER RANK Test/Train = 20% / 80% Test/Train = 30% / 70% Test/Train = 40% / 60% Test/Train = 50% / 50% (1) - Distributed DB 744 nodi (2) - Feature Extraction 621 nodi (3) - HMM 407 nodi (4) - Multiprocessors 901 nodi (5) - Page Rank 654 nodi (6) - Rec. System 699 nodi (7) - Rel. Feedback 984 nodi (8) - Semantic Web 1144 nodi (9) - SVM 463 nodi
  • 10.