<ul><li>User behavior can be tokenized, introducing complexity to test model-based recommendation systems.</li><li>Netflix addresses the 'cold start' problem by using a hybrid representation and dynamically prioritizing user interactions.</li><li>Software QA needs to shift from verifying outputs to interrogating learned behaviors.</li><li>QA professionals will be at the forefront of complex, dynamic systems that redefine quality standards.</li></ul>

Testing What Learns: The Role of Software QA in Foundation Model-Based Recommendation Systems

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