19. Advantages Disadvantages Experts High-quality & consistent outputs Can handle ambiguity Expensive Time-consuming May not understand user perspective Machines Scalable Quick Poor at ambiguity Costs may vary Users Cheap Scalable (ish) Rarely consistent Often Uninterested
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23. Building Applying Consuming Experts Buy off the shelf OR Build based on analysis Manual Tagging against Taxonomy - Machines Semantic and/or Concept Analysis Automated Categorisation Ontology-based Processes Users Tagging & Folksonomies Manual Tagging (whatever) Tag Clouds & Visualisation Search