anchor.diff:  
   -export([process_request/2]).
   
  -%% RUBIS Procedures
  --export([browse_categories/0,
  -         search_items_by_category/1,
  -         browse_regions/0,
  -         search_items_by_region/2,
  -         view_item/1,
  -         view_user/1,
  -         view_item_bid_hist/1,
  -         about_me/1]).
  -
   %% Used for rubis load
   process_request('PutRegion', #{region_name := Name}) ->
       put_region(Name);
  
positive.code:     register_user(Username, Password, RegionId);
  
  %% Benchmark only
  process_request('AuthUser', #{username := Username,
                                password := Password}) ->
      auth_user(Username, Password);
  
  %% Benchmark only
  process_request('StoreBuyNow', #{on_item_id := ItemId,
  
negative.code: %% Used for rubis load
  process_request('PutCategory', #{category_name := Name}) ->
      put_category(Name);
  
  %% Benchmark only
  process_request('AuthUser', #{username := Username,
      password := Password}) ->
      auth_user(Username, Password);
  
  %% Used for rubis load and benchmark
  process_request('RegisterUser', #{username := Username,
  