activity
20182026
most citedLearning from History and Present: Next-item Recommendation via Discriminatively Exploiting User Behaviors

200 citations · 784 across the 50 of their papers we have counts for

collaborators
Showing 2019Show all

8 papers · 1 filter

cs.CL2019★ 1 cited

Learning to Order Sub-questions for Complex Question Answering

Yunan Zhang, Xiang Cheng, Yufeng Zhang +5

Answering complex questions involving multiple entities and relations is a challenging task. Logically, the answer to a complex question should be derived by decomposing the comple…

cs.LG2019★ 2 cited

Neural Cognitive Diagnosis for Intelligent Education Systems

Fei Wang, Qi Liu, Enhong Chen +5

Cognitive diagnosis is a fundamental issue in intelligent education, which aims to discover the proficiency level of students on specific knowledge concepts. Existing approaches us…

cs.CL2019★ 7 cited

Promotion of Answer Value Measurement with Domain Effects in Community Question Answering Systems

Binbin Jin, Enhong Chen, Hongke Zhao +4

In the area of community question answering (CQA), answer selection and answer ranking are two tasks which are applied to help users quickly access valuable answers. Existing solut…

physics.comp-ph2019★ 28 cited

Molecular Property Prediction: A Multilevel Quantum Interactions Modeling Perspective

Chengqiang Lu, Qi Liu, Chao Wang +3

Predicting molecular properties (e.g., atomization energy) is an essential issue in quantum chemistry, which could speed up much research progress, such as drug designing and subst…

cs.CY2019★ 52 cited

EKT: Exercise-aware Knowledge Tracing for Student Performance Prediction

Qi Liu, Zhenya Huang, Yu Yin +4

For offering proactive services to students in intelligent education, one of the fundamental tasks is predicting their performance (e.g., scores) on future exercises, where it is n…

cs.LG2019★ 26 cited

Transcribing Content from Structural Images with Spotlight Mechanism

Yu Yin, Zhenya Huang, Enhong Chen +4

Transcribing content from structural images, e.g., writing notes from music scores, is a challenging task as not only the content objects should be recognized, but the internal str…

cs.LG2019★ 36 cited

QuesNet: A Unified Representation for Heterogeneous Test Questions

Yu Yin, Qi Liu, Zhenya Huang +4

Understanding learning materials (e.g. test questions) is a crucial issue in online learning systems, which can promote many applications in education domain. Unfortunately, many s…

cs.AI2019★ 83 cited

Enhancing Item Response Theory for Cognitive Diagnosis

Song Cheng, Qi Liu

Cognitive diagnosis is a fundamental and crucial task in many educational applications, e.g., computer adaptive test and cognitive assignments. Item Response Theory (IRT) is a clas…