NTCIR-16 Data Search 2 is a shared task on ad-hoc retrieval for governmental statistical data. The second round of Data Search addresses the retrieval from a dataset collection published by the Japanese government (e-Stat), and one published by the US government (Data.gov). Furthermore, this round introduces two additional subtasks: QA subtask and UI subtask.

Contact

data-search-org@googlegroups.com or @NTCIRDataSearch

Schedule


Jan 31, 2021	Dataset collections and training queries release
Aug 31, 2021	Registration due and test queries release
Sep 30, 2021	Submission due for the IR subtask
Nov 31, 2021	Evaluation results release for the retrieval subtask
Feb 1, 2022	Submission due for the QA and UI subtasks

Registration

Please visit (NOT READY) , and take a look at What participants must do. Then, go to (NOT READY) for registration. The registration is necessary for participants to submit their runs.

Subtasks

For each subtask, we provide Japanese and English test collections.

IR Subtask
- In this subtask, given a query and a dataset collection, a system is expected to generate a ranked list of datasets.
QA Subtask
- In this subtask, given a question and a dataset, a system is expected to generate an answer to the question, mainly by extracting a part of the dataset.
UI Subtask
- In this subtask, participants are expected to develop a search system with an effective search interface for dataset search tasks.

Organizers

Makoto P. Kato (University of Tsukuba)
Hiroaki Ohshima (University of Hyogo)
Ying-Hsang Liu (Australian National University)
Hsin-Liang Chen (Missouri University of Science and Technology)