Philipp Christmann

According to our database, Philipp Christmann authored at least 10 papers between 2019 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Faithful Temporal Question Answering over Heterogeneous Sources.

Zhen Jia, Philipp Christmann, Gerhard Weikum

CoRR, 2024

2023

CompMix: A Benchmark for Heterogeneous Question Answering.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

CoRR, 2023

Explainable Conversational Question Answering over Heterogeneous Sources via Iterative Graph Neural Networks.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

CLOCQ: A Toolkit for Fast and Easy Access to Knowledge Bases.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Datenbanksysteme für Business, 2023

2022

Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21, 2022

Conversational Question Answering on Heterogeneous Sources.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Explainable Conversational Question Answering over Heterogeneous Sources.

Philipp Christmann

Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Question Entity and Relation Linking to Knowledge Bases via CLOCQ (full paper).

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Joint Proceedings of SemREC 2022 and SMART 2022 co-located with 21st International Semantic Web Conference (ISWC 2022), 2022

2021

Efficient Contextualization using Top-k Operators for Question Answering over Knowledge Graphs.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

CoRR, 2021

2019

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, 2019