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cs.IR2026
Sparse Coverage: Semantic Center Representations for Patent Prior-Art Retrieval
You Zuo, Kim Gerdes, Éric de la Clergerie +1
Patent prior-art retrieval is a recall-oriented search task over long and highly structured technical documents. Dense retrieval improves semantic matching, but single-vector repre…
cs.IR2026
Citation-Driven Multi-View Training for Patent Embeddings: QaECTER and Sophia-Bench
Younes Djemmal, You Zuo, Kim Gerdes +1
Patent retrieval underpins critical decisions in innovation, examination, and IP strategy, yet progress has been hampered by the absence of benchmarks that reflect the diversity of…