NTCIR19-Lifelog Task

Recommended Reading

The following publications provide valuable background information and context for the NTCIR19-Lifelog task:

• Gurrin, C. et al. Experiments in Lifelog Organisation and Retrieval at NTCIR. Evaluating Information Retrieval and Access Tasks. Springer, 2020.
• Tran, L.-D. et al. Comparing Interactive Retrieval Approaches at the Lifelog Search Challenge 2021, IEEE Access, 2023.

These papers discuss previous work in lifelog retrieval and provide insights into evaluation methodologies and system approaches used in earlier NTCIR Lifelog tasks.

Citation

When referring to the NTCIR19-Lifelog task, please cite the following publication (details to be updated):

@inproceedings{ntcir19-lifelog,
  title={Overview of the NTCIR-19 Lifelog Task},
  author={Zhou, Liting and others},
  booktitle={Proceedings of the 19th NTCIR Conference on Evaluation of Information Access Technologies},
  series = {NTCIR-19},
  address ={Tokyo, Japan},
  year={2026}
}

Please note that citation details may be updated closer to the publication date. A draft version of the overview paper will be circulated once all runs are received and processed.

Past Editions

The NTCIR Lifelog task has a rich history of advancing research in lifelog analytics and retrieval. Previous editions have contributed significantly to the field:

• NTCIR-12 Lifelogging (2016): View
• NTCIR-13 Lifelogging (2017): View
• NTCIR-14 Lifelogging (2019): View
• NTCIR-16 Lifelogging (2021): View
• NTCIR-17 Lifelogging (2023): View
• NTCIR-18 Lifelogging (2025): View

These past editions have established benchmarks, evaluation methodologies, and best practices that continue to inform the current task. Participants are encouraged to review previous work to understand the evolution of the task and learn from successful approaches.