Now showing items 1-2 of 2

    • Progressive Learning of Topic Modeling Parameters: A Visual Analytics Framework 

      El-Assady, Mennatallah; Sevastjanova, Rita; Sperrle, Fabian; Keim, Daniel; Collins, Christopher (IEEE, 2017-08-29)
      Topic modeling algorithms are widely used to analyze the thematic composition of text corpora but remain difficult to interpret and adjust. Addressing these limitations, we present a modular visual analytics framework, ...
    • Visual Analytics for Topic Model Optimization based on User-Steerable Speculative Execution 

      El-Assady, Mennatallah; Sperrle, Fabian; Deussen, Oliver; Keim, Daniel; Collins, Christopher (IEEE, 2018-09-18)
      To effectively assess the potential consequences of human interventions in model-driven analytics systems, we establish the concept of speculative execution as a visual analytics paradigm for creating user-steerable preview ...