Topic Modeling For Research Articles 2.0

CREATE TABLE submission (
  "id" BIGINT,
  "analysis_of_pdes" BIGINT,
  "applications" BIGINT,
  "artificial_intelligence" BIGINT,
  "astrophysics_of_galaxies" BIGINT,
  "computation_and_language" BIGINT,
  "computer_vision_and_pattern_recognition" BIGINT,
  "cosmology_and_nongalactic_astrophysics" BIGINT,
  "data_structures_and_algorithms" BIGINT,
  "differential_geometry" BIGINT,
  "earth_and_planetary_astrophysics" BIGINT,
  "fluid_dynamics" BIGINT,
  "information_theory" BIGINT,
  "instrumentation_and_methods_for_astrophysics" BIGINT,
  "machine_learning" BIGINT,
  "materials_science" BIGINT,
  "methodology" BIGINT,
  "number_theory" BIGINT,
  "optimization_and_control" BIGINT,
  "representation_theory" BIGINT,
  "robotics" BIGINT,
  "social_and_information_networks" BIGINT,
  "statistics_theory" BIGINT,
  "strongly_correlated_electrons" BIGINT,
  "superconductivity" BIGINT,
  "systems_and_control" BIGINT
);