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Model-Based Learning to Augment Coll...

Althbiti, Ashrf.

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Model-Based Learning to Augment Collaborative Filtering: Prediction and Evaluation.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Model-Based Learning to Augment Collaborative Filtering: Prediction and Evaluation./
作者:	Althbiti, Ashrf.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	131 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-02, Section: B.
Contained By:	Dissertations Abstracts International83-02B.
標題:	Computer science. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28318069
ISBN:	9798534650174

Model-Based Learning to Augment Collaborative Filtering: Prediction and Evaluation.
Althbiti, Ashrf.

Model-Based Learning to Augment Collaborative Filtering: Prediction and Evaluation. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 131 p.

Source: Dissertations Abstracts International, Volume: 83-02, Section: B.

Thesis (Ph.D.)--University of Idaho, 2021.

This item must not be sold to any third party vendors.

Collaborative filtering (CF) is a novel statistical technique developed to retrieve useful information and to generate predictions based on provided data from users. It is fundamentally characterized by recommender systems (RSs), which have recently gained and attracted researchers' attention. CF can be defined as systems and software tools that automatically and effectively generate a list of recommendations of the most suitable items to a target user by predicting a user's future ratings for unseen items. As a field of study, the dramatic evolution of machine learning solves problems that appear in the early time of CF systems. Researchers claim that the main research focus of current CF research, especially in the big data era, is how to effectively develop models to address the problems of data sparsity and limited coverage that CF systems unexpectedly experience. The particular objectives of this empirical research are: (1) providing a novel model based on machine learning and data mining algorithms that address the data sparsity problem in CF, (2) providing a novel similarity model based on rating alignment that results in better accuracy of rating prediction compared to the other similarity models used for CF, (3) providing a novel model to incorporate information from social network sites (SNSs) in order to augment CF and solve the data sparsity problem, and (4) providing academic advisory RS based on a web-based framework.To validate the effectiveness of the proposed models, intensive experiments are conducted to compare the performance of the proposed models with the state-of-the-art CF models using four datasets collected from four popular RSs' domains (music, jokes, books, and movies). These proposed models are computationally efficient and effectively generalized to other related fields in RSs. Results retained from evaluation metrics reveal that the proposed models can demonstrate promising prediction accuracy and improve the prediction performance than the state-of-the-art algorithms. Furthermore, the proposed models can successfully address the data sparsity and the limited coverage problems.

ISBN: 9798534650174Subjects--Topical Terms:

523869
Computer science.
Subjects--Index Terms:

Recommender systems

Model-Based Learning to Augment Collaborative Filtering: Prediction and Evaluation.
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520 $a Collaborative filtering (CF) is a novel statistical technique developed to retrieve useful information and to generate predictions based on provided data from users. It is fundamentally characterized by recommender systems (RSs), which have recently gained and attracted researchers' attention. CF can be defined as systems and software tools that automatically and effectively generate a list of recommendations of the most suitable items to a target user by predicting a user's future ratings for unseen items. As a field of study, the dramatic evolution of machine learning solves problems that appear in the early time of CF systems. Researchers claim that the main research focus of current CF research, especially in the big data era, is how to effectively develop models to address the problems of data sparsity and limited coverage that CF systems unexpectedly experience. The particular objectives of this empirical research are: (1) providing a novel model based on machine learning and data mining algorithms that address the data sparsity problem in CF, (2) providing a novel similarity model based on rating alignment that results in better accuracy of rating prediction compared to the other similarity models used for CF, (3) providing a novel model to incorporate information from social network sites (SNSs) in order to augment CF and solve the data sparsity problem, and (4) providing academic advisory RS based on a web-based framework.To validate the effectiveness of the proposed models, intensive experiments are conducted to compare the performance of the proposed models with the state-of-the-art CF models using four datasets collected from four popular RSs' domains (music, jokes, books, and movies). These proposed models are computationally efficient and effectively generalized to other related fields in RSs. Results retained from evaluation metrics reveal that the proposed models can demonstrate promising prediction accuracy and improve the prediction performance than the state-of-the-art algorithms. Furthermore, the proposed models can successfully address the data sparsity and the limited coverage problems.
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