![]() ![]() The Linguistic Annotation Wiki also describes formats for creating and managing linguistic annotations. The annotation scheme ensures that the tags are added consistently across the data set and allows for verification of previously tagged data. During tagging, transcriptionists manually add tags into transcripts where required linguistical features are identified in an annotation editor. Prior to annotation, an annotation scheme is defined that consists of tags. One purpose of annotation is to transform the data into a form suitable for computer-aided analysis. The value of annotation has been empirically confirmed, for example, in a study which shows that in computer-based teleconsultations the integration of image annotation and speech leads to significantly improved knowledge exchange compared with the use of images and speech without annotation. Here, annotation can be a way to establish common ground between interactants with different levels of knowledge. This is especially important when experts, such as medical doctors, interpret visualizations in detail and explain their interpretations to others, for example by means of digital technology. In other words, it means the assignment of typological representations (culturally meaningful categories), to topological representations (e.g. As part of guided noticing it involves highlighting, naming or labelling and commenting aspects of visual representations to help focus learners' attention on specific visual aspects. From a cognitive perspective annotation has an important role in learning and instruction. ![]()
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