NTCIR-19

NTCIR19-Lifelog Task

Advancing Lifelog Analytics and Retrieval

Formal Run Topics

Formal run topics are the official test topics used for the final evaluation. These topics will be used to assess participant systems and determine the final rankings.

Lifelog Task Formal Run Topics

The Lifelog Semantic Access Task (LSAT) formal run topics will be released during the formal run phase. These topics will be used for the final evaluation.

Status: Coming soon

Release Date: Formal run topics will be released during the formal run phase (March–August 2026).

Topic Count: The formal run will include 24 topics in total, covering both ADHOC and KNOWN-ITEM types.

CASTLE Task Formal Run Topics

Formal run topics for CASTLE tasks (CSAT, CAST-Seg, Recipe Generation) will be released during the formal run phase.

Status: Coming soon

Release Date: Formal run topics will be released during the formal run phase (March–August 2026).

CSAT Formal Run Topics

The CASTLE Semantic Access Task (CSAT) formal run topics will focus on retrieving key interactions or events from multimodal collaborative session data.

Status: Coming soon - Formal run topics will be released during the formal run phase (March–August 2026).

CAST-Seg Formal Run Topics

The CASTLE Conversation Segmentation task formal run topics will require participants to identify meaningful boundaries in collaborative sessions.

Recipe Generation Formal Run Topics

Recipe Generation formal run topics will challenge participants to generate personal recipes or cooking procedures using multimodal lifelog data.

Formal Run Phase

The formal run phase runs from March to August 2026. During this period:

  • Formal run topics will be released
  • Participants submit their formal runs
  • All submissions must be received by the end of the formal run phase
  • Registration deadline is in August 2026

Important: Formal run submissions will be used for the final evaluation and ranking. Participants should ensure their systems are fully tested using dry run topics before submitting formal runs.