NTCIR19-Lifelog Task

How to Participate

Participating in the NTCIR19-Lifelog task involves several steps. Follow the process below to ensure a smooth participation experience.

1. Task Guidelines & Dataset Release (January 2026): Task guidelines and datasets (Lifelog + CASTLE) were released in January 2026.
2. Choose Your Dataset(s): Decide which dataset(s) you plan to use based on the sub-tasks you want to participate in. Indicate your choice during registration so we can provide appropriate access and support.
3. Complete Agreement Forms: For the Lifelog dataset, complete and submit the required agreement forms (Organisation Agreement Form and Individual Agreement Forms) to ntcir.lifelog.dcu@gmail.com.
   • Download Organisation Agreement Form (PDF)
   • Download Individual Agreement Form (PDF)
4. Download the Dataset: After registration and form completion, you will receive access details to download the dataset(s).
5. Test Your System: Use the dry run topics (available for LSAT and CSAT only) to test and develop your system. Note: There is no formal dry run phase or submission period.
6. Formal Run Phase (April–August 2026): Submit your formal runs according to the submission guidelines during this period.
7. Register by Deadline (July 10, 2026): Ensure you are registered by the registration deadline on July 10, 2026.
8. LSAT Score Run portal open (August 21, 2026): Upload LSAT runs and download evaluation reports on the Score Run page.
9. CSAT Score Run portal open (August 25, 2026): Upload CSAT runs on the same Score Run page (multiple files supported).
10. CAST-Seg / Recipe Generation Score Run (September 7, 2026): Opened on the same Score Run page on September 7, 2026.
11. Participant papers draft (September 1, 2026 September 15, 2026): Submit your draft participant paper by September 1, 2026 September 15, 2026. Please cite the Lifelog-7 overview paper (BibTeX on the Resources page).
12. Camera-Ready Papers (November 2026): Submit your final camera-ready paper (8 pages maximum).
13. Conference (December 2026): Attend the NTCIR-19 Conference in Tokyo, Japan (in-person or online).

Registration

All participants must register through the official NTCIR-19 website. During registration, please indicate:

• Which sub-task(s) you plan to participate in
• Which dataset(s) you plan to use
• Your organization and team members

Dataset Access

Access to datasets is provided after registration and completion of required forms. For detailed information about dataset access, please see the Datasets page.

How to cite the overview paper

Participant papers must cite the NTCIR-19 Lifelog-7 overview:

@inproceedings{lifelog7overview,
	author =      "Liting Zhou and Ly-Duyen Tran and Alice Dajung Jung and Graham Healy and Cathal Gurrin and Luca Rossetto and Klaus Schoeffmann and Duc-Tien Dang-Nguyen and Fangli Ying",
	title =       "Overview of the {NTCIR}-19 Lifelog-7 Task",
	booktitle =   "Proceedings of the NTCIR-19 Conference",
	YEAR = {2026},
}

The same entry is listed on the Resources page. Page numbers and a DOI will be added for the camera-ready proceedings version.

Support

If you have questions or need assistance, please contact the task organisers at ntcir.lifelog.dcu@gmail.com.