tag_clouds = {}
  tag_cloud_names.each do |name|
    tag_clouds[name] = row.field(row.index(name)).to_s.strip.split(",")
end

tag_clouds = tag_cloud_names.map do |name|
  # note: I am not sure what row.field(row.index(name)).to_s.strip.split(",") is
  name, row.field(row.index(name)).to_s.strip.split(",")
end

tag_clouds = Hash[tag_cloud_names.map do |name|
  # note: I am not sure what row.field(row.index(name)).to_s.strip.split(",") is
  name, row.field(row.index(name)).to_s.strip.split(",")
end]