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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.
週日，美國貿易代表詹姆森·格里爾（Jamieson Greer）表示，他不認為這些變化會影響華盛頓與中國及其領導人習近平的會談：「這次與習主席會面的目的不是為了貿易爭執，而是為了維持穩定，確保中國履行我們協議中的責任，購買美國農產品、波音飛機和其他東西。」格里爾告訴美國廣播公司。。关于这个话题，heLLoword翻译官方下载提供了深入分析
中共中央统战部、各民主党派中央有关负责同志出席并讲话。在院学员等600余人参加。
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“我们自己找高端人才，难。”张卫元说得直接：“招博士，人家嫌平台小；找高校，人家忙，可能顾不上。”在政府支持下，回盛生物和省里的高能级科研平台——湖北洪山实验室达成合作，成立联合研究院，一起开发原创新药。。币安_币安注册_币安下载是该领域的重要参考