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She just reads slides (which are terrible). She does handwritten examples in class - these are pretty useless since her handwriting is not legible. She doesn't seek to understand when you are confused - instead, she seems irritated or answers your questions before you are done explaining your confusion/questions. \",\"course_id\":\"ISYE 412\",\"date\":\"2022-09-17 19:27:11 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ed5e3710b6580068591acaf0\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2NjQ3Njk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"Took for 312, and 412. The content in these classes is quite dry, but it makes it harder that the slides are basically a wall of text and she reads off them (like in the other review). Not interesting as no real-life examples are explained well or even differently when someone asks for clarification. 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While lectures can be dull and include unnecessary information, Tina is both intelligent and likeable. This course is a very easy A if you actually study for the exams and spend a little bit of time on the HW.\",\"course_id\":\"ISYE 412\",\"date\":\"2024-12-19 03:48:47 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"ba0d7bdeeaab0f32b730ecda\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"}],\"evidence_count\":2,\"review_ids\":[\"3cdd81ae4d653e25ae5451fd\",\"ba0d7bdeeaab0f32b730ecda\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2592851\",\"name\":\"Tina Xu\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2024\"},\"sentiment\":\"positive\",\"summary\":\"Grading is clear, and exams align with outlines. 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The content in these classes is quite dry, but it makes it harder that the slides are basically a wall of text and she reads off them (like in the other review). Not interesting as no real-life examples are explained well or even differently when someone asks for clarification. Memorizing the stuff may help for the test\",\"course_id\":\"ISYE 412\",\"date\":\"2022-10-04 01:41:37 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"5be7156f99472019cca708ee\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2Njc1Mjgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"The worst prof. I have had at this school. Avoid at all costs.\",\"course_id\":\"ISYE 412\",\"date\":\"2023-11-15 22:06:41 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"7bbd65938a692a2c07497f10\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4NDAwMDkz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"I had Prof Xu for 312 and 412. Tina is so sweet, and from my limited interactions with her seems to be a great person. With that said, her lectures are beyond boring and while she does do several in-class examples, which are beneficial, her handwriting is very difficult to read, causing these examples to often be difficult to understand. \",\"course_id\":\"ISYE 412\",\"date\":\"2024-01-24 23:13:55 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"562a079b7485a179fb88ee8d\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM4OTIxNzg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"Professor Xu is a very nice person. She does example problems in every lecture to illustrate the concepts. You will have a weekly HW, about 4 to 5 questions that perfectly cover the lecture material. In addition, she offers a 3% extra credit onto your overall grade. 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She just reads slides (which are terrible). She does handwritten examples in class - these are pretty useless since her handwriting is not legible. She doesn't seek to understand when you are confused - instead, she seems irritated or answers your questions before you are done explaining your confusion/questions. \",\"course_id\":\"ISYE 412\",\"date\":\"2022-09-17 19:27:11 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ed5e3710b6580068591acaf0\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2NjQ3Njk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"Took for 312, and 412. The content in these classes is quite dry, but it makes it harder that the slides are basically a wall of text and she reads off them (like in the other review). Not interesting as no real-life examples are explained well or even differently when someone asks for clarification. 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While lectures can be dull and include unnecessary information, Tina is both intelligent and likeable. This course is a very easy A if you actually study for the exams and spend a little bit of time on the HW.\",\"course_id\":\"ISYE 412\",\"date\":\"2024-12-19 03:48:47 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"ba0d7bdeeaab0f32b730ecda\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"}],\"evidence_count\":2,\"review_ids\":[\"3cdd81ae4d653e25ae5451fd\",\"ba0d7bdeeaab0f32b730ecda\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2592851\",\"name\":\"Tina Xu\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2024\"},\"sentiment\":\"positive\",\"summary\":\"Grading is clear, and exams align with outlines. The course is an easy A if students attend, do homework, and study.\"},{\"aspect\":\"overall\",\"evidence\":[{\"comment\":\"Took her for 412 and 512. She just reads slides (which are terrible). She does handwritten examples in class - these are pretty useless since her handwriting is not legible. She doesn't seek to understand when you are confused - instead, she seems irritated or answers your questions before you are done explaining your confusion/questions. \",\"course_id\":\"ISYE 412\",\"date\":\"2022-09-17 19:27:11 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ed5e3710b6580068591acaf0\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2NjQ3Njk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"Took for 312, and 412. The content in these classes is quite dry, but it makes it harder that the slides are basically a wall of text and she reads off them (like in the other review). Not interesting as no real-life examples are explained well or even differently when someone asks for clarification. Memorizing the stuff may help for the test\",\"course_id\":\"ISYE 412\",\"date\":\"2022-10-04 01:41:37 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"5be7156f99472019cca708ee\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2Njc1Mjgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"The worst prof. I have had at this school. Avoid at all costs.\",\"course_id\":\"ISYE 412\",\"date\":\"2023-11-15 22:06:41 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"7bbd65938a692a2c07497f10\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4NDAwMDkz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"I had Prof Xu for 312 and 412. Tina is so sweet, and from my limited interactions with her seems to be a great person. With that said, her lectures are beyond boring and while she does do several in-class examples, which are beneficial, her handwriting is very difficult to read, causing these examples to often be difficult to understand. \",\"course_id\":\"ISYE 412\",\"date\":\"2024-01-24 23:13:55 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"562a079b7485a179fb88ee8d\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM4OTIxNzg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"Professor Xu is a very nice person. She does example problems in every lecture to illustrate the concepts. You will have a weekly HW, about 4 to 5 questions that perfectly cover the lecture material. In addition, she offers a 3% extra credit onto your overall grade. If you attend lectures regularly and do the HW, this class is an easy A for you. \",\"course_id\":\"ISYE 412\",\"date\":\"2024-03-01 03:45:17 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"3cdd81ae4d653e25ae5451fd\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM5MDE0NTUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"},{\"comment\":\"I really enjoyed ISYE 412 with Tina. Her grading is clear, and the exams are exactly what she outlines they will be. While lectures can be dull and include unnecessary information, Tina is both intelligent and likeable. This course is a very easy A if you actually study for the exams and spend a little bit of time on the HW.\",\"course_id\":\"ISYE 412\",\"date\":\"2024-12-19 03:48:47 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"ba0d7bdeeaab0f32b730ecda\",\"instructor_id\":\"rmp:2592851\",\"instructor_name\":\"Tina Xu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\"}],\"evidence_count\":6,\"review_ids\":[\"ed5e3710b6580068591acaf0\",\"5be7156f99472019cca708ee\",\"7bbd65938a692a2c07497f10\",\"562a079b7485a179fb88ee8d\",\"3cdd81ae4d653e25ae5451fd\",\"ba0d7bdeeaab0f32b730ecda\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2592851\",\"name\":\"Tina Xu\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2022\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor is liked but teaching is unengaging with poor handwriting. Course is manageable with weekly homework and extra credit.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":false},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_4e8831b837f359daa4b2cadc","course_id":"ISYE 412","catalog_version_id":"2eccd24e6a5edc00c0c93e0367fa9c06105b18992a3a61e4998fd7e2aa282a37","record_version_id":"9e59b32b108e5c91c04f48fda04ca48422715d9f69a17a6033ba6ee45930ed28","job_id":"enrich-f516c4d3e82cfe326b4f5f54","output_id":"9dbd78ac4072457692121861ab3e959e3c4f253ac57240edf4f919a1a463d551","section":"student_summary","status":"valid","value_json":"{\"context_hash\":\"b15009ab36143a359b38e7280898b2a17d20d50c34c53fa895e134cf4144aa2c\",\"course_id\":\"ISYE 412\",\"current_instructors\":[{\"instructor_uid\":\"instructor_a1901643e6418267a7946b79\",\"message\":null,\"name\":\"Tina Xu\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2592851\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2022-09-17 19:27:11 +0000 UTC\",\"review_id\":\"ed5e3710b6580068591acaf0\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM2NjQ3Njk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2022-10-04 01:41:37 +0000 UTC\",\"review_id\":\"5be7156f99472019cca708ee\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM2Njc1Mjgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2023-11-15 22:06:41 +0000 UTC\",\"review_id\":\"7bbd65938a692a2c07497f10\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM4NDAwMDkz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"}],\"text\":\"Tina Xu reads from dense slides and provides illegible handwritten examples, which reviewers find unhelpful and boring. Some students report she is irritated by questions and fails to clarify concepts, leading to poor course quality ratings.\"},{\"citations\":[{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-01-24 23:13:55 +0000 UTC\",\"review_id\":\"562a079b7485a179fb88ee8d\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM4OTIxNzg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-03-01 03:45:17 +0000 UTC\",\"review_id\":\"3cdd81ae4d653e25ae5451fd\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM5MDE0NTUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-12-19 03:48:47 +0000 UTC\",\"review_id\":\"ba0d7bdeeaab0f32b730ecda\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"}],\"text\":\"Other students describe Xu as sweet and likeable, noting that her in-class examples and clear grading make the course an easy A with regular attendance and homework completion. These reviewers appreciate her extra credit and straightforward exam outlines.\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-03-01 03:45:17 +0000 UTC\",\"review_id\":\"3cdd81ae4d653e25ae5451fd\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM5MDE0NTUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-12-19 03:48:47 +0000 UTC\",\"review_id\":\"ba0d7bdeeaab0f32b730ecda\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"}],\"text\":\"Weekly homework consists of four to five questions covering lecture material, with an optional three percent extra credit opportunity available.\"}],\"errors\":[],\"historical_context\":[],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-03-01 03:45:17 +0000 UTC\",\"review_id\":\"3cdd81ae4d653e25ae5451fd\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM5MDE0NTUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-12-19 03:48:47 +0000 UTC\",\"review_id\":\"ba0d7bdeeaab0f32b730ecda\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTQwMzc2MTEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"}],\"text\":\"Tina Xu offers a straightforward path to high grades through clear exams and manageable homework, though lectures are often described as dull.\"},{\"citations\":[{\"course_id\":\"ISYE 412\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"c002addf-9fd5-3461-964e-a96d2e614bf2\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"ISYE 412\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"c002addf-9fd5-3461-964e-a96d2e614bf2\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"ISYE 412\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"c002addf-9fd5-3461-964e-a96d2e614bf2\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.71 GPA, 82.1% A/AB (n=78 letter grades); Fall 2025: 3.50 GPA, 71.4% A/AB (n=42 letter grades); Spring 2026: 3.58 GPA, 72.9% A/AB (n=59 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2022-09-17 19:27:11 +0000 UTC\",\"review_id\":\"ed5e3710b6580068591acaf0\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM2NjQ3Njk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2022-10-04 01:41:37 +0000 UTC\",\"review_id\":\"5be7156f99472019cca708ee\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM2Njc1Mjgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"},{\"instructor_name\":\"Tina Xu\",\"review_date\":\"2024-01-24 23:13:55 +0000 UTC\",\"review_id\":\"562a079b7485a179fb88ee8d\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2592851\",\"source_review_id\":\"UmF0aW5nLTM4OTIxNzg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2592851\",\"type\":\"review\"}],\"text\":\"Students report that slides are text-heavy and lectures are dry, while handwritten examples are often illegible and difficult to follow.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":false}]