Abstract
Rapidly growing scholarly data has been coined Big Scholarly Data (BSD), which includes hundreds of millions of authors, papers, citations, and other scholarly information. The effective utilization of BSD may expedite various research-related activities, which include research management, collaborator discovery, expert finding and recommender systems. Research paper recommender systems using smaller datasets have been studied with inconclusive results in the past. To facilitate research to tackle the BSD challenge, we built an analytic platform and developed a research paper recommender system. The recommender system may help researchers find research papers closely matching their interests. The system is not only capable of recommending proper papers to individuals based on his/her profile, but also able to recommend papers for a research field using the aggregated profiles of researchers in the research field.
The BSD analytic platform is hosted on a computer cluster running data center operating system and initiated its data using Microsoft Academic Graph (MAG) dataset, which includes citation information from more than 126 million academic articles and over 528 million citation relationships between these articles. The research paper recommender system was implemented using Scala programming language and algorithms supplemented by Spark MLib. The performance of the recommender system is evaluated by the recall rate of the Top-N recommendations. The recall rates fall in the range of 0.3 to 0.6. Our recommender system currently bears the same limitation as other systems that are based on user-based collaborative filtering mechanisms. The cold-start problem can be mitigated by supplementing it with the item-based collaborative filtering mechanism.
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Chen, T.T., Lee, M. (2018). Research Paper Recommender Systems on Big Scholarly Data. In: Yoshida, K., Lee, M. (eds) Knowledge Management and Acquisition for Intelligent Systems. PKAW 2018. Lecture Notes in Computer Science(), vol 11016. Springer, Cham. https://doi.org/10.1007/978-3-319-97289-3_20
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DOI: https://doi.org/10.1007/978-3-319-97289-3_20
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