What’s the best emblem design for the next Olympic Games? How can we prevent cheating in exams? Impose severe penalties … Have proctors watch students … Prepare di erent examination …
ideas are usually multi-faced • There rarely exists the single winner in terms of all criteria Modern Traditional Low-cost E ective Impose severe penalties … Prepare di erent examination …
best viewpoint of idea , it should be most valuable among all ideas: i vi ⊤xi > vi ⊤xj xi vi Best viewpoint Embedding Idea parameters wk Personal viewpoint Evaluator parameter
prefers idea over idea : k i j wk ⊤xi > wk ⊤xj [Constraint 1] from the best viewpoint of idea , it should be most valuable among all ideas: i vi ⊤xi > vi ⊤xj xi vi Best viewpoint Embedding Idea parameters wk Personal viewpoint Evaluator parameter
penalties for cheating, such as cancellation of modules for an entire year. Prepare two types of examination sheets with di erently ordered items, and distribute one to every student such that neighboring students have di erent exam sheets. Have proctors watch students from the back of an examination room. Instead of multiple-choice questions or short answer questions, use essay questions to make it di cult to copy the answers of other students. Promising ideas detected by CrowDEA