 Most existing algorithms for HMTC focus on the design of classifiers, and are largely referred to as local, global, or a combination of local/global approaches .
<clarity>  Most existing algorithms for HMTC focus on the design of classifiers, and are largely referred to as local, global, or a combination of local/global approaches .
 Most existing algorithms for HMTC focus on the design of classifiers, such as the local, global, or a combination of local/global approaches .