多样性奖金:从不同客户中学习个性化联合学习
概括
DiversiFed通过使客户能够从不相似的数据分布中学习来增强个性化联合学习 (PFL). 这种方法在高度非IID场景中提高了模型性能,超过了现有的最先进的方法.
科学领域:
- 人工智能的人工智能
- 机器学习 机器学习
- 分布式系统 分布式系统
背景情况:
- 个性化联合学习 (PFL) 解决了跨客户端的非独立和相同分布的 (非IID) 数据.
- 现有的PFL方法往往优先考虑从具有相似数据分布的客户端学习.
- 这种重点可以导致在高度非IID环境中的知识损失.
研究的目的:
- 调查客户是否可以从与具有不同数据分布的客户合作中受益.
- 开发一种新的PFL方法,利用数据多样性来改善模型培训.
- 解决目前PFL方法在高度非IID设置中的局限性.
主要方法:
- 提出了DiversiFed,这是一种PFL方法,鼓励不同分布的模型之间的分歧和相似分布的趋同.
- 引入了一种新的损失函数,可以根据相似性动态管理模型的吸引力和排斥力,而不需要先前的分布知识.
- 评估了基准和医疗数据集的方法.
主要成果:
- 与最先进的 (SOTA) PFL方法相比,DiversiFed表现出更高的性能.
- 拟议的方法在实验中实现了高达3.19%的性能改善.
- 该方法有效地利用来自不同数据分布的客户的信息.
结论:
- 客户可以从与那些在PFL中拥有不同数据分布的客户合作中获益.
- 在具有挑战性的非IID场景中,DiversiFed提供了一种有效的策略来提高PFL的表现.
- 该方法提供了一种灵活而强大的方法,可以在异质数据环境中训练个性化模型.
相关概念视频
Associative Learning
586
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
586
Introduction to Learning
534
Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
534
Observational Learning
317
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
317
Randomized Experiments
7.2K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Simple randomization
Simple...
7.2K
Generalization, Discrimination, and Extinction
807
Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...
807
Cognitive Learning
531
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
531

