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Shi-Nan Liu

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#artificial intelligence Preprint Oct 2026

PG-SFT: Balancing Capability Acquisition and Retention in Offline Agent Fine-Tuning

Supervised fine-tuning (SFT) on offline agent trajectories is the standard approach for training specialized tool-using agents, but forcing models to imitate reasoning and actions token by token may harm other capabilities (e.g., general reasoning, tool calling, code generation) of the base model. In this work, we focu...

Rong-Hua Li, Zi Liang, Zhi-Shan Li et al. · 0 citations
#cybersecurity Review Open access Feb 2025

Towards On-Device Evidence Gathering for Intimate Partner Infiltration: A Feasibility Study for Joint Identity-Action Detection

AID, Automated IPI Detection, a data-driven system that continuously logs unauthorized access and suspicious behaviors on smartphones is presented, demonstrating AID's potential as an evidence-support tool that complements current clinic-based interpretation and safety-planning.

Wei-Si Yang, Shi-Nan Liu, Feng Xiao et al. · 2 citations
#small language model Review Sep 2026

A SoK for SoCs: Reading the TI Leaves on AI for Cyber Threat Intelligence Generation and Sharing

Three research directions for automating the production of shareable intelligence are derived from a literature survey of academic papers, organizing the CTI lifecycle into three stages: Threat Data Collection, CTI Generation and Sharing, and CTI Consumption.

Saastha Vasan, Hadjer Benkraouda, Jizhou Chen et al. · 0 citations
Book Open access Aug 2026

POSTER: DeePCAP: Enabling High-Fidelity and Cost-Efficient Archival Packet Trace Storage

DeePCAP introduces a query-driven fidelity framework spanning packet- and flow-level queries to tackle the fidelity disconnection, and proposes a novel dimensionality reduction approach using frequency domain encoding to improve cost-fidelity trade-off.

Fenghao Dong, Yucheng Yin, Yajie Zhou et al. · 0 citations
Jul 2026

TabQueryBench: A Query-Centric Benchmark for Synthetic Tabular Data

TabQueryBench is a query-centric benchmark that uses SQL-shaped analytical queries as structural assessors for synthetic data fidelity, and provides an extensible foundation for query-centric synthetic-data evaluation.

Jialin Zhang, Fenghao Dong, Yajie Zhou et al. · 0 citations

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