G-Tech : Jurnal Teknologi Terapan
Vol 10 No 4 (2026): G-Tech, Vol. 10 No. 4 October 2026

Integrating Semantic Clustering-Based Recommendation Models and RAG Generative AI Chatbots for Regional Innovation Analytics

Alfi Fadliana (Electronic Engineering Polytechnic Institute of Surabaya)
Dea Kayla Putri Darusman (Electronic Engineering Polytechnic Institute of Surabaya)
Dinda Ayu Permatasari (Electronic Engineering Polytechnic Institute of Surabaya)



Article Info

Publish Date
02 Oct 2026

Abstract

Regional research and innovation agencies are responsible for monitoring large volumes of innovation data submitted by local government units. Non-standardized submissions, manually matched collaboration opportunities, and a growing data request burden have left this data underutilized for policymaking. This study aimed to design, implement, and evaluate an integrated platform for regional innovation monitoring at the Regional Research and Innovation Agency (BRIDA) of East Java Province, using a design and development research approach. The platform combines a clustering based recommendation model that groups semantically similar innovations using multilingual sentence embeddings, an AI chatbot built on Retrieval-Augmented Generation (RAG) for querying the innovation database, and descriptive analytical reports on innovation maturity. Tested on 643 innovation records, the platform achieved a 100 percent functional pass rate across 35 test scenarios, while the chatbot achieved mean faithfulness and relevance scores of 4.0 out of 5.0 under an LLM as a judge evaluation. These results suggest that embedding based clustering can reveal previously hidden collaboration opportunities, while a generative chatbot can meaningfully reduce manual search workload. To the authors' knowledge, this is the first platform integrating clustering based recommendation with RAG based querying for regional innovation monitoring, offering a replicable design for similar settings.

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Journal Info

Abbrev

g-tech

Publisher

Subject

Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering

Description

Jurnal G-Tech bertujuan untuk mempublikasikan hasil penelitian asli dan review hasil penelitian tentang teknologi dan terapan pada ruang lingkup keteknikan meliputi teknik mesin, teknik elektro, teknik informatika, sistem informasi, agroteknologi, ...