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PaperRegister: Boosting Flexible-grained Paper Search via Hierarchical Register Indexing

Year: 2025
Type: preprint
Abstract: As researchers delve more deeply into their work, paper search requirements may become more flexible, sometimes involving specific details such as module configuration rather than being limited to coarse-grained topics. However, previous paper search systems are unable to meet these flexible-grained requirements, as previous systems mainly collect paper abstract to construct corpus index, which lacks detailed information to support retrieval by some finer-grained queries. In this work, we propose PaperRegister, which transforms traditional abstract-based index into a hierarchical index tree, thereby supporting queries at flexible granularity. Experiments on paper search tasks across a range of granularity demonstrate that PaperRegister achieves the SOTA performance, and particularly excels in the fine-grained scenarios, highlighting good potential as an effective solution for flexible-grained paper search in real-world applications. https://github.com/Li-Z-Q/PaperRegister.
Authors: Li, Zhuoqun, Chen, Xuanang, Lin, Hongyu, Lu, Yaojie, Han, Xianpei, Jiang, Shanshan, Dong, Bin, Sun, Le
Language: English
Open Access status: green
OpenAlex ID: W7075994229
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