What question did this study set out to answer?

The aim is to evaluate the effectiveness of a BERT-based approach for modifying search queries.

April 1, 2026Open Access

UHGSIS at the NTCIR-16 Data Search 2 IR Subtask: A BERT-based Query Modification Approach

Key Points

The aim is to evaluate the effectiveness of a BERT-based approach for modifying search queries.
Developed a framework utilizing a 3-step procedure: query modification, item filtering using BM25, item re-ranking with BERT.
Performed experiments to compare the new framework against a baseline method without query modification.
The BERT-based query modification approach did not surpass the baseline performance.
Results indicated the need for further enhancement in query modification techniques.

Abstract

We describe a framework using the BERT-based query modification technique for the NTCIR-16 Data Search 2 IR Subtask. In our framework, we took a 3-step procedure: (1) the query modification, (2) item filtering by BM25, and (3) item re-ranking by BERT. The experimental results showed that our framework using the query modification did not outperform the baseline method that does not use the query modification.

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