no code implementations • 15 Apr 2022 • Philip Feldman, Aaron Dant, James R. Foulds, Shemei Pan
Text analysis of social media for sentiment, topic analysis, and other analysis depends initially on the selection of keywords and phrases that will be used to create the research corpora.
no code implementations • 17 May 2021 • Fatema Hasan, Kevin S. Xu, James R. Foulds, SHimei Pan
User-generated data on social media contain rich information about who we are, what we like and how we make decisions.
no code implementations • 20 Apr 2021 • Philip Feldman, Sim Tiwari, Charissa S. L. Cheah, James R. Foulds, SHimei Pan
This paper describes a method for using Transformer-based Language Models (TLMs) to understand public opinion from social media posts.
no code implementations • 14 Oct 2020 • Kamrun Naher Keya, Rashidul Islam, SHimei Pan, Ian Stockwell, James R. Foulds
Healthcare programs such as Medicaid provide crucial services to vulnerable populations, but due to limited resources, many of the individuals who need these services the most languish on waiting lists.
no code implementations • 10 Sep 2019 • Kamrun Naher Keya, Yannis Papanikolaou, James R. Foulds
Word embedding models such as the skip-gram learn vector representations of words' semantic relationships, and document embedding models learn similar representations for documents.
1 code implementation • 8 May 2015 • Yannis Papanikolaou, James R. Foulds, Timothy N. Rubin, Grigorios Tsoumakas
We introduce a novel approach for estimating Latent Dirichlet Allocation (LDA) parameters from collapsed Gibbs samples (CGS), by leveraging the full conditional distributions over the latent variable assignments to efficiently average over multiple samples, for little more computational cost than drawing a single additional collapsed Gibbs sample.