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Abstract:Humans shift between different personas depending on social context. Large Language Models (LLMs) demonstrate a similar flexibility in adopting different personas and behaviors. Existing approaches, however, typically adapt such behavior through external knowledge such as prompting, retrieval-augmented generation (RAG), or fine-tuning. We ask: do LLMs really need external context or parameters to adapt to different behaviors, or do they already have such knowledge embedded in their parameters? In this work, we show that LLMs already contain persona-specialized subnetworks in their parameter space. Using small calibration datasets, we identify distinct activation signatures associated with different personas. Guided by these statistics, we develop a masking strategy that isolates lightweight persona subnetworks. Building on the findings, we further discuss: how can we discover opposing subnetwork from the model that lead to binary-opposing personas, such as introvert-extrovert? To further enhance separation in binary opposition scenarios, we introduce a contrastive pruning strategy that identifies parameters responsible for the statistical divergence between opposing personas. Our method is entirely training-free and relies solely on the language model's existing parameter space. Across diverse evaluation settings, the resulting subnetworks exhibit significantly stronger persona alignment than baselines that require external knowledge while being more efficient. Our findings suggest that diverse human-like behaviors are not merely induced in LLMs, but are already embedded in their parameter space, pointing toward a new perspective on controllable and interpretable personalization in large language models.
Add Entrepreneur。体育直播是该领域的重要参考
The renegotiated terms come after OpenAI faced a wave of backlash from inside and outside the company. Altman had already acknowledged that the optics of agreeing to the Pentagon deal hours after the Trump administration labeled rival Anthropic a “supply-chain risk” for refusing a contract without explicit AI safeguards didn’t “look great.” This was especially true since Altman had previously said publicly that he supported Anthropic’s redlines around mass surveillance and autonomous weapons.。业内人士推荐体育直播作为进阶阅读
伊拉克战争的先例已经证明，当年如果美国不派遣地面部队进入伊拉克，萨达姆政权始终不会倒台。同理，如果美国不向伊朗派遣地面部队，现阶段也不太可能实现伊朗的政权更迭。
Here, the suspension is at its stiffest and the throttle at its sharpest, transmission swinging through its ratios eagerly to keep the engine singing. Jump on the gas, and the car really does leap forward, the electric motor doing its part to cover the power delay caused by the turbochargers in the mix.。关于这个话题，搜狗输入法2026提供了深入分析