Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion P Christmann, RS Roy, A Abujabal, J Singh, G Weikum 28th ACM International Conference on Information and Knowledge Management …, 2019 | 102 | 2019 |
Conversational Question Answering on Heterogeneous Sources P Christmann, RS Roy, G Weikum Proceedings of the 45th International ACM SIGIR Conference on Research and …, 2022 | 32 | 2022 |
Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases P Christmann, RS Roy, G Weikum 15th ACM International Conference on Web Search and Data Mining (WSDM 2022), 2021 | 24* | 2021 |
Explainable Conversational Question Answering over Heterogeneous Sources via Iterative Graph Neural Networks P Christmann, RS Roy, G Weikum Proceedings of the 46th International ACM SIGIR Conference on Research and …, 2023 | 7 | 2023 |
CompMix: A Benchmark for Heterogeneous Question Answering P Christmann, RS Roy, G Weikum Companion Proceedings of the ACM Web Conference 2024 (WWW '24 Companion), 2024 | 4 | 2024 |
Faithful Temporal Question Answering over Heterogeneous Sources Z Jia, P Christmann, G Weikum Proceedings of the ACM Web Conference 2024 (WWW '24), 2024 | 1 | 2024 |
TIQ: A Benchmark for Temporal Question Answering with Implicit Time Constraints Z Jia, P Christmann, G Weikum Companion Proceedings of the ACM on Web Conference 2024 (WWW '24 Companion …, 2024 | | 2024 |
Explainable Conversational Question Answering over Heterogeneous Sources P Christmann Proceedings of the 45th International ACM SIGIR Conference on Research and …, 2022 | | 2022 |