This presentation is about the paper "A collaborative approach for research paper recommender system".

1. ‫ﻟﻸوراق‬ ‫ﺗﻌﺎوﻧﻲ‬ ‫ﻧﮫﺞ‬ ‫ذو‬ ‫اﻗﺘﺮاح‬ ‫ﻧﻈﺎم‬
‫اﻟﺒﺤﺜﯿﺔ‬
A COLLABORATIVE APPROACH FOR RESEARCH PAPER
RECOMMENDER SYSTEM
‫آﻳﺔ‬‫ﺗﻠﻠﻮ‬‫ﻳﺰن‬‫ﺷﯿﺨﺎﻧﻲ‬
comgmail.@1996tello.aya.comgmail.@3yazanyazan.
*https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0184516 :‫اﻟﻤﺼﺪر‬
‫اﻟﺒﺤﺜﻲ‬ ‫ﻟﻠﻤﻘﺎل‬ ‫وﺗﺮﺟﻤﺔ‬ ‫ﺷﺮح‬*

2. ‫اﻟﻤﺤﺘﻮى‬
■‫ﻣﻘﺪﻣﺔ‬.
■‫اﻟﻤﻘﺘﺮح‬ ‫ﺑﺎﻟﻨﮫﺞ‬ ‫ﺗﻌﺮﻳﻒ‬.
■‫اﻟﻤﻘﺘﺮح‬ ‫ﻟﻠﻨﮫﺞ‬ ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﻤﺴﺎھﻤﺎت‬.
■‫اﻟﺼﻠﺔ‬ ‫ذات‬ ‫اﻷﻋﻤﺎل‬.
■‫اﻟﺘﻌﺎوﻧﻲ‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫اﻟﻮرﻗﺔ‬ ‫َﺮح‬‫ﺘ‬‫ﻘ‬ُ‫ﻣ‬:
–‫اﻟﺨﻮارزﻣﯿﺔ‬.
–‫اﻟﺘﺸﺎﺑﻪ‬ ‫ﻣﻘﯿﺎس‬.
–‫اﻟﺘﻘﯿﯿﻢ‬ ‫ﻣﻘﺎﻳﯿﺲ‬.
■‫اﻟﺪﻗﺔ‬.
■‫اﻻﺳﺘﺮﺟﺎع‬.
■F1.
■)MAP: (Mean Average Precision.
■)MRR: (Mean Reciprocal Rank.
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3. ‫ﻣﺨﺘﺼﺮة‬ ‫وﻧﺒﺬة‬ ‫ﻣﻘﺪﻣﺔ‬
■‫ﺷﺎﻗﺔ‬ ‫ﻣﮫﻤﺔ‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫ﻋﻦ‬ ‫اﻟﺒﺤﺚ‬ ‫ﻳﺠﻌﻞ‬ ‫اﻟﺸﺎﺑﻜﺔ‬ ‫ﻋﺒﺮ‬ ‫ﺑﻐﺰارة‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫ﺗﻮاﻓﺮ‬ ‫إن‬
■‫ﻟﺘﺰو‬ ‫اﻟﺸﺎﺑﻜﺔ‬ ‫ﻓﻲ‬ ‫اﺳﺘﻌﻼم‬ ‫ﻛﺘﺎﺑﺔ‬ ‫ھﻲ‬ ‫اﻟﺒﺤﺚ‬ ‫ﻓﻲ‬ ً‫ﺷﯿﻮﻋﺎ‬ ‫واﻷﻛﺜﺮ‬ ‫اﻷﺳﮫﻞ‬ ‫اﻟﻄﺮﻳﻘﺔ‬‫ﻳﺪك‬
‫ﻣﺤﺪدة‬ ‫ﺑﻤﻌﻠﻮﻣﺎت‬
■‫اﻟ‬ ‫ﻣﻦ‬ ‫اﻟﻤﺮاﺟﻊ‬ ‫ﻗﺎﺋﻤﺔ‬ ‫ﺗﺘﺒﻊ‬ ‫وھﻲ‬ ‫اﻟﺒﺎﺣﺜﯿﻦ‬ ‫ﻣﻌﻈﻢ‬ ‫ﻳﺴﺘﺨﺪﻣﮫﺎ‬ ‫أﺧﺮى‬ ‫ﻛﻼﺳﯿﻜﯿﺔ‬ ‫طﺮﻳﻘﺔ‬‫ﻮرﻗﺔ‬
‫ﺑﺎﻟﻔﻌﻞ‬ ‫ﻟﺪﻳﮫﻢ‬ ‫اﻟﺘﻲ‬ ‫اﻟﺒﺤﺜﯿﺔ‬.
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4. ‫اﻟﻤﻘﺘﺮح‬ ‫اﻟﻨﮫﺞ‬
■‫اﻟﺒﺤﺜﯿﺔ‬ ‫ﻟﻸوراق‬ ‫ﺗﻮﺻﯿﺔ‬ ‫ﻟﻨﻈﺎم‬ ‫ﺗﻌﺎوﻧﯿﺔ‬ ‫ﻣﻘﺎرﺑﺔ‬ ‫اﻟﻮرﻗﺔ‬ ‫ھﺬه‬ ‫ﺗﻘﺪم‬.‫اﺳ‬ ‫إﻟﻰ‬ ‫ﺑﺎﻹﺿﺎﻓﺔ‬‫ﺘﺨﺮاج‬
‫وﻣﺮاﺟﻌﮫﺎ‬ ‫اﻟﮫﺪف‬ ‫اﻟﻮرﻗﺔ‬ ‫ﺑﯿﻦ‬ ‫اﻟﻤﺨﻔﯿﺔ‬ ‫اﻻرﺗﺒﺎطﺎت‬
■‫ا‬ ‫ﻣﺮاﺟﻊ‬ ‫ﻣﻦ‬ ‫ﺑﺄي‬ ‫اﺳﺘﺸﮫﺪت‬ ‫ﻗﺪ‬ ‫ﻛﺎﻧﺖ‬ ‫إذا‬ ‫وﻓﻘﻂ‬ ‫إذا‬ ‫ﻟﺘﻘﺘﺮح‬ ‫ﻣﺆھﻠﺔ‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫اﻟﻮرﻗﺔ‬ ‫ﺗﻜﻮن‬‫ﻟﻮرﻗﺔ‬
‫ﻓﻲ‬ ‫اﻟﮫﺪف‬ ‫واﻟﻮرﻗﺔ‬ ‫اﻟﻤﺆھﻠﺔ‬ ‫اﻟﻮرﻗﺔ‬ ‫ﻣﻦ‬ ‫ﺑﻜﻞ‬ ‫اﺳﺘﺸﮫﺪت‬ ‫أﺧﺮى‬ ‫ورﻗﺔ‬ ‫ھﻨﺎك‬ ‫وﻛﺎﻧﺖ‬ ‫اﻟﮫﺪف‬
‫واﺣﺪ‬ ‫وﻗﺖ‬
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5. ‫ﻟ‬ ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﻤﺴﺎھﻤﺎت‬‫ﻠ‬‫اﻟﻤﻘﺘﺮح‬ ‫ﻨﮫﺞ‬
1.‫ﺑﺤ‬ ‫ورﻗﺔ‬ ‫ﻻﻗﺘﺮاح‬ ‫ﻋﺎم‬ ‫ﺑﺸﻜﻞ‬ ‫اﻟﻤﺘﺎﺣﺔ‬ ‫اﻟﺴﯿﺎﻗﯿﺔ‬ ‫اﻟﻮﺻﻔﯿﺔ‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫ﻣﺰاﻳﺎ‬ ‫اﺳﺘﺨﺪﻣﻨﺎ‬‫ﻣﺴﺘﻘﻠﺔ‬ ‫ﺚ‬
‫ﻣﺴﺒﻖ‬ ‫ﻣﺴﺘﺨﺪم‬ ‫ﺗﻌﺮﻳﻒ‬ ‫ﻣﻠﻒ‬ ‫ﺗﺘﻄﻠﺐ‬ ‫ﻻ‬.
2.‫ﺧﺒﺮة‬ ‫ﻋﻦ‬ ‫اﻟﻨﻈﺮ‬ ‫وﺑﻐﺾ‬ ‫اﻟﺒﺤﺚ‬ ‫ﻣﺠﺎل‬ ‫ﻋﻦ‬ ‫اﻟﻨﻈﺮ‬ ‫ﺑﻐﺾ‬ ‫ﺷﺨﺼﯿﺔ‬ ‫ﺗﻮﺻﯿﺎت‬ ‫ﻧﮫﺠﻨﺎ‬ ‫ﻳﻘﺪم‬
‫اﻟﻤﺴﺘﺨﺪم‬.
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6. ‫اﻟﺼﻠﺔ‬ ‫ذات‬ ‫اﻷﻋﻤﺎل‬:‫اﻟ‬ ‫اﻻﺳﺘﺸﮫﺎد‬‫ﻤﺸﺘﺮك‬)co-citation(
■‫ﺗﻘﯿ‬ ‫ﻛﻨﻘﺎط‬ ‫اﻻﺳﺘﺸﮫﺎد‬ ‫ﻋﻼﻗﺎت‬ ‫ﻣﺼﻔﻮﻓﺔ‬ ‫ﻋﺮض‬‫ﯿﻢ‬
)rating score(‫اﻻﺳﺘﺸ‬ ‫ﻋﻠﻰ‬ ً‫ء‬‫ﺑﻨﺎ‬ ‫اﻻﻗﺘﺮاح‬ ‫ﺪ‬ّ‫ووﻟ‬‫ﮫﺎد‬
‫اﻟ‬‫ﻤﺸﺘﺮك‬)co-citation(‫ﻟﻜﻞ‬‫اﻟﮫﺪف‬ ‫اﻟﻮرﻗﺔ‬ ‫ﻣﻦ‬
‫ﻣﺎ‬ ‫ورﻗﺔ‬ ‫ﻓﻲ‬ ‫ﻟﮫﺎ‬ ‫اﻟﻤﺠﺎورة‬ ‫واﻷوراق‬.
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C
D
E
A B
‫ﺴﺔ‬ِ‫ﺒ‬َ‫ﺘ‬‫ﻘ‬ُ‫ﻤ‬‫اﻟ‬ ‫اﻷوراق‬
‫ﻣﻨﮫﺎ‬ ‫َﺲ‬‫ﺒ‬َ‫ﺘ‬‫ﻘ‬ُ‫ﻤ‬‫اﻟ‬ ‫اﻷوراق‬

7. ‫اﻟﺼﻠﺔ‬ ‫ذات‬ ‫اﻷﻋﻤﺎل‬:Context Based Collaborative
Filtering (CCF)
■‫ﺑﺤﺜﯿﺔ‬ ‫ورﻗﺔ‬ ‫ﻛﻞ‬ ‫ﻣﻊ‬ ‫اﺳﺘﺸﮫﺎد‬ ‫ﻛﻞ‬ ‫ﺗﻮاﺟﺪ‬ ‫ﻳﻤﺜﻞ‬ ‫ﺟﺪول‬ ‫ﺸﻜﻞ‬ُ‫ﻳ‬,‫ﺗﻘﯿﯿ‬ ‫ﺑﻤﺜﺎﺑﺔ‬ ‫ﻳﻌﺘﺒﺮ‬‫ﻢ‬)rating.(
■‫زوج‬ ‫ﻛﻞ‬ ‫ﻤﺜﻞ‬ُ‫ﻳ‬)‫ﺑﺤﺜﯿﺘﯿﻦ‬ ‫ورﻗﺘﯿﻦ‬(‫ﻛﻤﺘﺠﻪ‬(vector)‫ﻓﯿﮫﻤﺎ‬ ‫اﻻﺳﺘﺸﮫﺎد‬ ‫ﺗﻮاﺟﺪ‬ ‫ﻋﻦ‬ ‫ﻳﻌﺒﺮ‬.
■‫ﻣﻘﯿﺎس‬ ‫ﺑﺎﺳﺘﺨﺪام‬ ‫اﻟﺘﺸﺎﺑﻪ‬ ‫ﺣﺴﺎب‬cosine‫ﻣﺘﺠﮫﯿﻦ‬ ‫ﻛﻞ‬ ‫ﺑﯿﻦ‬.
■‫اﻻﺳﺘﺸﮫﺎد‬ ‫اﺳﺘﺨﺪام‬ ‫ﻣﻼﺋﻤﺔ‬ ‫درﺟﺔ‬ ‫ﺣﺴﺎب‬k‫اﻟﻮرﻗﺔ‬ ‫ﻓﻲ‬ ‫اﻟﻤﺴﺘﺨﺪم‬j‫اﻟﻮرﻗﺔ‬ ‫ﻓﻲ‬i.
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8. ِ‫َﺮ‬‫ﺘ‬‫ﻘ‬ُ‫ﻣ‬‫ح‬‫اﻟﺘﻌﺎوﻧﻲ‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫اﻟﻮرﻗﺔ‬
■‫ﻋﺪم‬ ‫ﺑﺴﺒﺐ‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫اﻷوراق‬ ‫ﻟﻤﻘﺘﺮﺣﻲ‬ ‫اﻟﺘﻌﺎوﻧﻲ‬ ‫اﻟﻨﮫﺞ‬ ‫ﻣﻼءﻣﺔ‬ ‫ﻋﺪم‬ ‫إﻟﻰ‬ ‫اﻹﺷﺎرة‬ ‫ﺗﻤﺖ‬
‫اﻟﺒﺎﺣﺜﯿﻦ‬ ‫ﻗﺒﻞ‬ ‫ﻣﻦ‬ ‫اﻟﺒﺤﺚ‬ ‫ﻷوراق‬ ‫ﺗﻘﯿﯿﻤﺎت‬ ‫وﺟﻮد‬.‫اﻟﻤﺸﻜﻠ‬ ‫ﻟﮫﺬه‬ ‫ﺣﻞ‬ ‫إﻳﺠﺎد‬ ‫ﻣﺤﺎوﻟﺔ‬ ‫وﻓﻲ‬،‫ﺔ‬‫ﺗﻢ‬
‫اﻻﺳﺘﺸ‬ ‫ﻋﻼﻗﺎت‬ ‫ﻋﻠﻰ‬ ً‫اﻋﺘﻤﺎدا‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫واﻷوراق‬ ‫اﻟﺒﺎﺣﺜﯿﻦ‬ ‫ﺑﯿﻦ‬ ‫اﻟﺘﻘﯿﯿﻢ‬ ‫درﺟﺔ‬ ‫رﺑﻂ‬‫ﮫﺎد‬-‫اﻟﻮرﻗﺔ‬.
‫ﻧﺴﺘﺨﺪم‬Cij‫اﻟﻮرﻗﺔ‬ ‫ﺑﯿﻦ‬ ‫اﻻﺳﺘﺸﮫﺎد‬ ‫درﺟﺔ‬ ‫إﻟﻰ‬ ‫ﻟﻺﺷﺎرة‬i‫اﻟﻤﻘﺘﺒﺴﺔ‬ ‫واﻟﻮرﻗﺔ‬j‫ﻣﺼﻔﻮﻓﺔ‬ ‫ﻣﻦ‬
‫اﻻﺳﺘﺸﮫﺎد‬-‫اﻟﻮرﻗﺔ‬C.‫اﻟﻮرﻗﺔ‬ ‫اﺳﺘﺸﮫﺪت‬ ‫إذا‬i‫ﺑﺎﻟﻮرﻗﺔ‬j‫ﻓﺈن‬Cij = 1‫وإﻻ‬Cij = 0.
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9. ‫اﻟﺨﻮارزﻣﯿﺔ‬
■‫اﻟﻤﺪﺧﻼت‬:‫اﻟﮫﺪف‬ ‫ورﻗﺔ‬
■‫اﻟﺨﺮج‬:‫أﻓﻀﻞ‬N‫ﺗﻮﺻﯿﺔ‬
■‫اﻟﮫﺪف‬ ‫ورﻗﺔ‬ ‫ﺑﺈﻋﻄﺎء‬pi‫ﻛﺎﺳﺘﻌﻼم‬:
.1‫اﻟﻤﺮاﺟﻊ‬ ‫ﻣﺠﻤﻮﻋﺔ‬ ‫ﻛﻞ‬ ‫اﺳﺘﺮﺟﻊ‬RFj‫ﻟﻠﻮرﻗ‬‫ﺔ‬‫اﻟﮫﺪف‬Pi‫اﻻﻗﺘﺒﺎس‬ ‫ﻋﻼﻗﺔ‬ ‫ﻣﺼﻔﻮﻓﺔ‬ ‫ﻣﻦ‬-‫اﻟﻮرﻗﺔ‬C.
(a‫اﻟﻤﺮاﺟﻊ‬ ‫ﻣﻦ‬ ‫ﻟﻜﻞ‬RFj‫اﻷﺧﺮى‬ ‫اﻷوراق‬ ‫ﺟﻤﯿﻊ‬ ‫ﺑﺎﺳﺘﺨﺮاج‬ ‫ﻗﻢ‬ ،Pci‫ﺑـ‬ ً‫أﻳﻀﺎ‬ ‫اﺳﺘﺸﮫﺪت‬ ‫اﻟﺘﻲ‬RFj
‫اﻟﻮرﻗﺔ‬ ‫ﺑﺨﻼف‬Pi‫اﻟﮫﺪف‬.
.2‫اﻻﺳﺘﺸﮫﺎدات‬ ‫ﻣﺠﻤﻮﻋﺔ‬ ‫ﻛﻞ‬ ‫اﺳﺘﺮﺟﻊ‬CFj‫اﻟﮫﺪف‬ ‫ﻟﻠﻮرﻗﺔ‬Pi‫اﻻﻗﺘﺒﺎس‬ ‫ﻋﻼﻗﺔ‬ ‫ﻣﺼﻔﻮﻓﺔ‬ ‫ﻣﻦ‬-‫اﻟﻮرﻗﺔ‬C.
(a‫اﻻﺳﺘﺸﮫﺎدات‬ ‫ﻣﻦ‬ ‫ﻟﻜﻞ‬CFj‫اﻷﺧﺮى‬ ‫اﻷوراق‬ ‫ﻛﻞ‬ ‫اﺳﺘﺨﺮج‬ ،Pri‫إﻟﯿﮫﺎ‬ ‫أﺷﺎر‬ ‫اﻟﺘﻲ‬CFj‫ﺑﺨﻼف‬
‫اﻟ‬‫اﻟﮫﺪف‬ ‫ﻮرﻗﺔ‬Pi.
.3‫اﻟﻤﻘﺘﺮﺣﺔ‬ ‫اﻷوراق‬ ‫ﺟﻤﯿﻊ‬ ‫ﻞ‬ّ‫ھ‬‫أ‬Pc‫اﻟـ‬ ‫ﻣﻦ‬Pci‫إﻟﯿﮫﺎ‬ ‫اﻹﺷﺎرة‬ ‫ﺗﻤﺖ‬ ‫واﻟﺘﻲ‬‫اﻷﻗﻞ‬ ‫ﻋﻠﻰ‬‫ﻣﻦ‬ ‫أي‬ ‫ﻗﺒﻞ‬ ‫ﻣﻦ‬
‫اﻟﻤﺮﺷﺤﯿﻦ‬)Pri(.
.4‫اﻟﺘﺸﺎﺑﻪ‬ ‫ﻣﺪى‬ ‫ﺑﻘﯿﺎس‬ ‫ﻗﻢ‬W pi -> pc‫اﻟﮫﺪف‬ ‫اﻟﻮرﻗﺔ‬ ‫ﺑﯿﻦ‬Pi‫اﻟﻤﺆھﻞ‬ ‫اﻟﻤﺮﺷﺢ‬ ‫واﻟﻮرق‬Pc.
.5‫أﻋﻠﻰ‬ ‫اﻗﺘﺮح‬N‫ورﻗﺔ‬‫ﻟﻠﻤﺴﺘﺨﺪم‬ ‫ﻣﻤﺎﺛﻠﺔ‬ ‫ﺑﺤﺜﯿﺔ‬.
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10. ‫ﻣﻘﯿﺎس‬‫اﻟ‬‫ﺘﺸﺎﺑﻪ‬Jaccard
‫ﺣﯿﺚ‬:
■Z11‫ﺳﻤﺔ‬ ‫ﻣﻦ‬ ‫ﻟﻜﻞ‬ ‫ﻳﻜﻮن‬ ‫ﺣﯿﺚ‬ ‫اﻟﺴﻤﺎت‬ ‫ﻋﺪد‬ ‫إﺟﻤﺎﻟﻲ‬ ‫ﻳﻤﺜﻞ‬X‫و‬Y‫ﻗﯿﻤﺔ‬1.
■Z01‫ﻋﻨﺪ‬ ‫اﻟﺴﻤﺔ‬ ‫ﺗﻜﻮن‬ ‫ﺣﯿﺚ‬ ‫اﻟﺴﻤﺎت‬ ‫ﻋﺪد‬ ‫إﺟﻤﺎﻟﻲ‬ ‫ﻳﻤﺜﻞ‬X‫ھﻲ‬0‫ﻋﻨﺪ‬ ‫واﻟﺴﻤﺔ‬Y‫ھﻲ‬1.
■Z10‫ﻋﻨﺪ‬ ‫اﻟﺴﻤﺔ‬ ‫ﻓﯿﮫﺎ‬ ‫ﺗﻜﻮن‬ ‫اﻟﺘﻲ‬ ‫اﻟﺴﻤﺎت‬ ‫ﻋﺪد‬ ‫إﺟﻤﺎﻟﻲ‬ ‫ﻳﻤﺜﻞ‬X‫ھﻲ‬1‫ﻋﻨﺪ‬ ‫واﻟﺴﻤﺔ‬Y
‫ھﻲ‬0.
10
= →
=
+ +

11. 11

12. ‫اﻟﺘﻘﯿﯿﻢ‬ ‫ﻣﻘﺎﻳﯿﺲ‬
■‫ﺑ‬ ‫ﻧﻘﻮم‬‫ـ‬‫اﻟﻌﺎم‬ ‫اﻷداء‬ ‫ﺗﻘﯿﯿﻢ‬ً‫ﺷﯿﻮﻋﺎ‬ ‫اﻷﻛﺜﺮ‬ ‫اﻟﺜﻼﺛﺔ‬ ‫اﻟﺘﻘﯿﯿﻢ‬ ‫ﻣﻘﺎﻳﯿﺲ‬ ‫ﺑﺎﺳﺘﺨﺪام‬‫أﻧﻈﻤﺔ‬ ‫ﻓﻲ‬
‫اﻻﺳﺘﺮﺟﺎع‬:‫اﻟﺪﻗﺔ‬)precision(‫واﻻﺳﺘﺮﺟﺎع‬)recall(‫و‬F1.
■‫اﻟﺪﻗﺔ‬:‫اﻟﺼ‬ ‫ذات‬ ‫اﻟﺒﺤﺜﯿﺔ‬ ‫اﻷوراق‬ ‫ﻣﻦ‬ ‫ﻣﻤﻜﻦ‬ ‫ﻗﺪر‬ ‫أﻛﺒﺮ‬ ‫اﺳﺘﻌﺎدة‬ ‫ﻋﻠﻰ‬ ‫اﻟﻨﻈﺎم‬ ‫ﻗﺪرة‬ ‫ﺗﻘﯿﺲ‬‫ﻠﺔ‬
‫اﻟﮫﺪف‬ ‫ﺑﺎﻟﻮرﻗﺔ‬.
■‫اﻻﺳﺘﺮﺟﺎع‬:‫ﺑﺎﻟﻮ‬ ‫اﻟﺼﻠﺔ‬ ‫ذات‬ ‫ﻏﯿﺮ‬ ‫اﻷﺑﺤﺎث‬ ‫ﻣﻦ‬ ‫ﻣﻤﻜﻦ‬ ‫ﻋﺪد‬ ‫أﻗﻞ‬ ‫اﺳﺘﻌﺎدة‬ ‫ﻋﻠﻰ‬ ‫اﻟﻨﻈﺎم‬ ‫ﻗﺪرة‬‫رﻗﺔ‬
‫اﻟﮫﺪف‬.
■‫ﻣﻘﯿﺎس‬F1:‫واﻻﺳﺘﺮﺟﺎع‬ ‫اﻟﺪﻗﺔ‬ ‫ﺑﯿﻦ‬ ‫وﺳﻂ‬ ‫ﻣﻌﯿﺎر‬ ‫ھﻮ‬.
12

13. ‫اﻟﺪﻗﺔ‬)precision(
13

14. ‫اﻻﺳﺘﺮﺟﺎع‬)Recall(
14

15. F1
15

16. ‫اﻟﺘﻘﯿﯿﻢ‬ ‫ﻣﻘﺎﻳﯿﺲ‬
■‫ﺗﻘﯿﺲ‬‫ﻋﻠﻰ‬ ‫اﻟﻨﻈﺎم‬ ‫ﻗﺪرة‬‫اﻟﺘﻮﺻﯿﺎت‬ ‫ﻗﺎﺋﻤﺔ‬ ‫أﻋﻠﻰ‬ ‫ﻓﻲ‬ ‫ﻣﻔﯿﺪة‬ ‫ﺗﻮﺻﯿﺎت‬ ‫ﺗﻘﺪﻳﻢ‬.
■‫ا‬ً‫اﺳﺘﺨﺪاﻣﺎ‬ ‫اﻟﻤﺮﺗﺒﺔ‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫اﺳﺘﺮﺟﺎع‬ ‫ﺗﻘﯿﯿﻢ‬ ‫ﻣﻘﺎﻳﯿﺲ‬ ‫أﻛﺜﺮ‬ ‫ﺳﺘﺨﺪام‬:
–)MAP: Mean Average Precision(.
–)MRR: Mean Reciprocal Rank.(
16

17. MRR: Mean
Reciprocal
Rank
17

18. MAP: Mean
Average
Precision
18

19. ‫أﺳﺌﻠﺔ؟؟‬ ‫ﺔ‬ّ‫ﻳ‬‫أ‬
‫ﻟﻜ‬ ً‫ﺷﻜﺮا‬‫ﻢ‬...
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