Domonkos Tikk

recommender system context-awareness gravity r&d matrix factorization implicit feedback case study technology collaborative filtering tensor factorization benchmarking neural networks deep learning recommendation-as-a-service algorithms user experience video sharing portals neighbor methods netflix prize optimization machine learning scaling up szövegbányászat ajánlórendszer text mining linked open data content enrichment open source idomaar crowdrec content based filtering classified media personalization big data item-2-item cold start problem similarity initialization recommender sytem user evaluation business