## 3 Computational Approach
### Algorithm Code
(2008) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Collective collaborative tagging system. In Proceedings of the Grid Computing Environment Workshop, Austin, TX, USA, 16 November 2008; pp. 1-7. * [PERSON] and [PERSON] (2006) [PERSON]; [PERSON] Usage patterns of collaborative tagging system. _J. Inf. Sci._**2006**, _32_, 198-208. [CrossRef]
* [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON] Investigating users' tagging behavior in online academic community based on growth model: Difference between active and inactive users. _Inf. Syst. Front._**2019**, _21_, 761-772. [CrossRef]
* [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON] A hybrid user similarity model for collaborative filtering. _Inf. Sci._**2017**, _418-419_, 102-118. [CrossRef]
* [PERSON] et al. (2004) [PERSON]; [PERSON]; [PERSON]; [PERSON] Evaluating collaborative filtering recommender systems. _ACM Trans. Inf. Syst._**2004**, _22_, 5-53. [CrossRef]
* [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Trends in content-based recommendation. _User Model. User-Adapt. Interact._**2019**, _29_, 239-249. [CrossRef]
* [PERSON] and [PERSON] (2020) [PERSON]; [PERSON] A study on features of social recommender systems. _Artif. Intell. Rev._**2020**, _53_, 965-988. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Personalized Recommendation System Based on Collaborative Filtering for IoT Scenarios. _IEEE Trans. Serv. Comput._**2020**, _13_, 685-695. [CrossRef]
* [PERSON] and [PERSON] (2019) [PERSON]; [PERSON] The role of collaborative tagging and ontologies in emerging semantic of web resources. _Computing_**2019**, _101_, 1489-1511. [CrossRef]
* [PERSON] (2004) [PERSON] _Folksonomies: Cooperative Classification and Communication through Shared Metadata_; University of Illinois Urbana: Urbana, IL, USA, 2004. * Sen (2004) [PERSON] Metadata management: Past, present and future. _Decis. Support Syst._**2004**, _37_, 151-173. [CrossRef]
* [PERSON] et al. (2007) [PERSON]; [PERSON]; [PERSON] The complex dynamics of collaborative tagging. In Proceedings of the 16 th International Conference on World Wide Web, Banff, AB, Canada, 8-12 May 2007; pp. 211-220. * _[PERSON] et al. (2008)_ [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] A Study on Community Formation in Collaborative Tagging Systems. In Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, Washington, DC, USA, 9-12 December 2008. * _[PERSON] et al. (2008)_ [PERSON]; [PERSON]; [PERSON] Tag-based Social Interest discovery. In Proceedings of the Social Networks & Web 2.0 Conference, Geneva, Switzerland, Beijing, China, 21-25 April 2008; pp. 675-684. * _[PERSON] et al. (2006)_ [PERSON]; [PERSON]; [PERSON]; [PERSON] Towards the Semantic Web: Collaborative Tag Suggestions. In Proceedings of the Collaborative Web Tagging Workshop, Austin, TX, USA, 4 November 2006. * _[PERSON] et al. (2003)_ [PERSON]; [PERSON] Enriching web taxonomies through subject categorization of query terms from search engine logs. _Decis. Support Syst._**2003**, _35_, 113-127. [CrossRef]
* [PERSON] (2004) [PERSON] Classification and categorization: A difference that makes a difference. _Libr. Trends_**2004**, _52_, 515-540. * _[PERSON] et al. (2018)_ [PERSON] [PERSON]; [PERSON]; [PERSON]; [PERSON] Enhancing e-learning systems with personalized recommendation based on collaborative tagging techniques. _Appl. Intell._**2018**, _48_, 1519-1535. [CrossRef]
* _[PERSON] et al. (2018)_ [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Social tagging strategy for enhancing e-learning experience. _Comput. Educ._**2018**, _118_, 166-181. [CrossRef]
* _[PERSON] and [PERSON] Motivating engineering students learning via monitoring in personalized learning environment with tagging system. _Comput. Appl. Eng. Educ._**2018**, _26_, 700-710. [CrossRef]
* _[PERSON] et al. (2018)_ [PERSON]; [PERSON]; [PERSON]. Recommendation in collaborative e-learning by using linked open data and ant colony optimization.