Vasileios Lampos

twitter user-generated content social media machine learning google voting intention user profiling gaussian process health natural language processing socioeconomic status google flu trends text regression data science data mining bing disease surveillance computer science sorting algorithms quicksort flu influenza-like illness transfer learning artificial intelligence web syndromic surveillance skip-gram probabilistic latent semantic analysis latent dirichlet allocation word2vec vector semantics topic models occupation income collective emotion demographics classification digital health health surveillance supervised learning news bilinear bilinear text regression search query logs intervention