Author

Byungkook Oh

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#small language model Nov 2026

Reliable Distillation of Recommendation Rationales From Large Language Models for Conversational Recommendation

Conversational recommender systems (CRSs) aim to provide personalized recommendations through conversational interactions. Prior approaches that leverage knowledge graphs (KGs), referred to as KG-based CRSs, have demonstrated strong performance by incorporating domain-specific knowledge. However, they often struggle to...

Hyeongjun Yang, Donghyun Kim, Kyuhwan Yeom et al. · IEEE Transactions on Knowled... · 0 citations

Book Open access Aug 2026

Joint Global-Local Representations via Relation-Entity Pair Encoding for Hyper-Relational Knowledge Graphs

Hyper-relational knowledge graphs (HKGs) extend knowledge graphs with qualifiers to represent complex n-ary facts. However, existing methods often (1) rely on relation-agnostic node aggregation that mixes heterogeneous multi-hop evidence, which can lead to entity-role ambiguity and representation collapse, and (2) fail...

Sangjun Ji, Sangjune Kim, Youngho Lee et al. · Proceedings of the 32nd ACM... · 0 citations