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Li, Gaochao, Jin, Xin, Wang, Zhonghua, Chen, Xunxun, Wu, Xiao.  2018.  Expert Recommendation Based on Collaborative Filtering in Subject Research. Proceedings of the 2018 International Conference on Information Science and System. :291–298.

This article implements a method for expert recommendation based on collaborative filtering. The recommendation model extracts potential evaluation experts from historical data, figures out the relevance between past subjects and current subjects, obtains the evaluation experience index and personal ability index of experts, calculates the relevance of research direction between experts and subjects and finally recommends the most proper experts.

L
Li, Gaochao, Xu, Xiaolin, Li, Qingshan.  2015.  LADP: A lightweight authentication and delegation protocol for RFID tags. 2015 Seventh International Conference on Ubiquitous and Future Networks. :860–865.

In recent years, the issues of RFID security and privacy are a concern. To prevent the tag is cloned, physically unclonable function (PUF) has been proposed. In each PUF-enabled tag, the responses of PUF depend on the structural disorder that cannot be cloned or reproduced. Therefore, many responses need to store in the database in the initial phase of many authentication protocols. In the supply chain, the owners of the PUF-enabled Tags change frequently, many authentication and delegation protocols are proposed. In this paper, a new lightweight authentication and delegation protocol for RFID tags (LADP) is proposed. The new protocol does not require pre-stored many PUF's responses in the database. When the authentication messages are exchanged, the next response of PUF is passed to the reader secretly. In the transfer process of ownership, the new owner will not get the information of the interaction of the original owner. It can protect the privacy of the original owner. Meanwhile, the original owner cannot continue to access or track the tag. It can protect the privacy of the new owner. In terms of efficiency, the new protocol replaces the pseudorandom number generator with the randomness of PUF that suitable for use in the low-cost tags. The cost of computation and communication are reduced and superior to other protocols.