Automatic Optimizer Generation Method Based on Location and Context Information to Improve Mobile Services

Box 1

Optimization pattern description format (BNF style).

optimization_pattern_description   -> ‘%localization_algorithm_type’

                ‘%%’

                  context_patterns

                ‘%%’

                   application_pattern       => OPT_PATTERN_DESCRIPTION;

context_patterns           -> pattern_description       => CTX_PATTERN_DESCRIPTION;

application_patterns          -> pattern_description       => APP_PATTERN_DESCRIPTION;

pattern_description         -> patterns;

patterns             -> pattern;

                  -> pattern patterns;

                  -> instr_code_sets

                   ‘⩴’ instr_code_sets

                   ‘%%’ ‘%eval_methods’ ‘%%’     => PATTERN;

instr_code_sets          -> instr_code_set;

               -> instr_code_set instr_code_sets;

instr_code_set          -> ‘%instruction’ opt_parameters ‘/’ => INSTR_CODE_SET;

opt_parameters          ->  ;

                  ->  parameters;

parameters            -> ‘%param’;

                  -> ‘%param’ parameters;