I’m Wataru Hirota, an NLP enthusiast.

As a Research Manager at Stockmark Inc., I lead the research team while also conducting my own research and development. Currently, I am engaged in R&D on AI for Innovation, particularly focusing on application-discovery AI that connects manufacturing technologies with new business opportunities. For more details, please see About me or contact at hello@whiro.me .

Wataru Hirota

Attending the Japan Marketing Association Conference
January 20, 2026

I will attend the Japan Marketing Association’s Multi-City Conference in Osaka on February 28, 2026. Looking forward to discussions with attendees on site.

Speaking at a Seminar
January 19, 2026

I will be speaking at a seminar hosted by Stockmark Inc.: “Why Can’t RAG Find That ‘Tacit Knowledge’? Formalizing Knowledge by Connecting Figures and Context with VLM × Knowledge Graph”. URL

Published note article: "Is LLM-based Public Opinion Polling Possible?"
December 15, 2025

(In Japanese) I wrote an article titled “Is LLM-based Public Opinion Polling Possible? (LLM世論調査は可能なのか?)” discussing the possibilities and current state of LLM-based simulation.

Organizing the Mirai NLP Workshop
November 14, 2025

I will serve as an organizer for the Mirai NLP Workshop (in Japanese), to be held at the 32nd Annual Meeting of the Association for Natural Language Processing (NLP2026) (in Japanese) in March 2026. I will mainly be in charge of the Shared Task. Details and registration are available here (in Japanese).

Our collaboration with AIST Solutions was published
October 14, 2025

The Bibbidi open innovation platform—where I contributed to building the knowledge-graph data— was featured on AIST’s website (in Japanese). An exhibition at CEATEC 2025 @ Makuhari Messe is also planned.

Hosted the PBIG Shared Task
August 15, 2025

At the AgentScen workshop at IJCAI 2025 in Montréal, we hosted the Product Business Idea Generation (PBIG) Shared Task.

Paper accepted to SIGDIAL 2025
July 17, 2025

Our paper was accepted to SIGDIAL 2025. This work is a collaboration with Ueda (AIST RA), Ishigaki (AIST), and Stockmark.

Exploring Design of Multi-Agent LLM Dialogues for Research Ideation. arXiv.