Dataset Groups Activity Stream LiveJournal Matrix factorization (MF) and Autoencoder (AE) are among the most successful approaches of unsupervised learning. BibTex: @dataset{Shuangfei_Zhai_and_Zhongfei_(Mark)_Zhang_2024, abstract = {Matrix factorization (MF) and Autoencoder (AE) are among the most successful approaches of unsupervised learning.}, author = {Shuangfei Zhai and Zhongfei (Mark) Zhang}, doi = {10.57702/iplbileq}, institution = {No Organization}, keyword = {'Autoencoder', 'Link Prediction', 'LiveJournal', 'Matrix Factorization', 'Online Communities', 'Social Network Analysis', 'Sparse Graphs', 'Text Analysis'}, month = {dec}, publisher = {TIB}, title = {LiveJournal}, url = {https://service.tib.eu/ldmservice/dataset/livejournal}, year = {2024} }