Researcher Portfolio
Christmann, Philipp
Databases and Information Systems, MPI for Informatics, Max Planck Society
Researcher Profile
Position: Databases and Information Systems, MPI for Informatics, Max Planck Society
Researcher ID: https://pure.mpg.de/cone/persons/resource/persons244397
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Publications
: Jia, Z., Christmann, P., & Weikum, G. (2024). Faithful Temporal Question Answering over Heterogeneous Sources. In T.-S. Chua, C.-W. Ngo, R.-K.-W. Lee, R. Kumar, & H. W. Lauw (Eds. ), The ACM Web Conference 2024 (pp. 2052-2063). New York, NY: ACM. doi:10.1145/3589334.3645547. [PubMan] : Christmann, P., & Weikum, G. (2024). RAG-based Question Answering over Heterogeneous Data and Text. Retrieved from https://arxiv.org/abs/2412.07420. [PubMan] : Jia, Z., Christmann, P., & Weikum, G. (2024). TIQ: A Benchmark for Temporal Question Answering with Implicit Time Constraints. In T.-S. Chua, C.-W. Ngo, R.-K.-W. Lee, R. Kumar, & H. W. Lauw (Eds. ), The ACM Web Conference 2024 (pp. 1394-1399). New York, NY: ACM. doi:10.1145/3589335.3651895. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2023). CompMix: A Benchmark for Heterogeneous Question Answering. Retrieved from https://arxiv.org/abs/2306.12235. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2023). Explainable Conversational Question Answering over Heterogeneous Sources via Iterative Graph Neural Networks. In H.-H. Chen, W.-J. Duh, H.-H. Huang, M. P. Kato, J. Mothe, & B. Poblete (Eds. ), SIGIR '23 (pp. 643-653). New York, NY: ACM. doi:10.1145/3539618.3591682. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2023). CLOCQ: A Toolkit for Fast and Easy Access to Knowledge Bases. In B. König-Ries, S. Scherzinger, W. Lehner, & G. Vossen (Eds. ), BTW 2023 (pp. 579-591). GI. doi:10.18420/BTW2023-28. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2022). Question Entity and Relation Linking to Knowledge Bases via CLOCQ. In G. Singh, R. Mutharaju, P. Kapanipathi, N. Mihindukulasooriya, M. Dubey, R. Usbeck, & D. Banerjee (Eds. ), Joint Proceedings of SemREC 2022 and SMART 2022 co-located with 21st International Semantic Web Conference (ISWC 2022) (pp. 33-47). CEUR-WS.org. Retrieved from https://ceur-ws.org/Vol-3337/smart-paper1.pdf. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2022). Conversational Question Answering on Heterogeneous Sources. Retrieved from https://arxiv.org/abs/2204.11677. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2022). Conversational Question Answering on Heterogeneous Sources. In E. Amigo, P. Castells, J. Gonzalo, B. Carterett, J. S. Culpepper, & G. Kazai (Eds. ), SIGIR '22 (pp. 144-154). New York, NY: ACM. doi:10.1145/3477495.3531815. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2022). Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases. In WSDM '22 (pp. 172-180). New York, NY: ACM. doi:10.1145/3488560.3498488. [PubMan] : Christmann, P. (2021). CLOCQ: Efficient Search Space Reduction for Complex Question Answering over Knowledge Bases. Master Thesis, Universität des Saarlandes, Saarbrücken. [PubMan] : Christmann, P., Saha Roy, R., & Weikum, G. (2021). Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases. Retrieved from https://arxiv.org/abs/2108.08597. [PubMan] : Christmann, P., Saha Roy, R., Abujabal, A., Singh, J., & Weikum, G. (2019). Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion. In W. Zhu, & D. Tao (Eds. ), CIKM '19 (pp. 729-738). New York, NY: ACM. doi:10.1145/3357384.3358016. [PubMan] : Christmann, P., Saha Roy, R., Abujabal, A., Singh, J., & Weikum, G. (2019). Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion. Retrieved from http://arxiv.org/abs/1910.03262. [PubMan]