2022

doi dblp
Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases
Philipp Christmann | Rishiraj Saha Roy | Gerhard Weikum
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp
Explainable Conversational Question Answering over Heterogeneous Sources
Philipp Christmann
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp
Conversational Question Answering on Heterogeneous Sources
Philipp Christmann | Rishiraj Saha Roy | Gerhard Weikum
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2019

doi dblp
Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion
Philipp Christmann | Rishiraj Saha Roy | Abdalghani Abujabal | Jyotsna Singh | Gerhard Weikum
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

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