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huggingface.co

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

kaggle.com

Discover what actually works in AI. Join millions of builders, researchers, and labs evaluating agents, models, and frontier technology through crowdsourced benchmarks, competitions, and hackathons.

modelscope.cn

ModelScope——汇聚各领域先进的机器学习模型，提供模型探索体验、推理、训练、部署和应用的一站式服务。在这里，共建模型开源社区，发现、学习、定制和分享心仪的模型。

arxiv.org

We perform a behavioral experiment of karma, a class of mechanisms for repeated resource allocation with attractive fairness and efficiency properties, in theory. Individuals in these mechanisms bid non-tradable credits that flow from resource consumers to yielders, like karma. Human subjects recruited on Amazon MTurk are repeatedly and randomly paired to bid karma according to time-varying and stochastic individual preferences or urgency to acquire resources. Treatments varied in the dynamic urgency process (frequent moderate urgency versus sporadic high urgency) and the richness of the bidding scheme (binary versus full range). Results are benchmarked against random allocation, and karma achieves a (almost) Pareto improvement over random, despite the MTurk subjects deviating significantly from the theoretically optimal Nash bidding policy. Maximum improvement is attained by subjects that deviate from Nash by up to one karma bid unit on average, and positive improvement is attained with average deviations of up to 3-4 bid units. These findings hold across all treatments, among which no significant differences are found, with the exception of the sporadic high urgency process with binary bidding treatment being (weakly) favorable over others. These results offer behaviorally robust lower bounds for the expected performance of karma in human populations. They also provide guidance for future testing and implementation of karma mechanisms in the real world.

tianchi.aliyun.com

Tianchi Learning provides a complete set of practical tutorials including both basic and advanced courses. With rich experience from various competitions, Tianchi builds a unique knowledge tree to help AI developers improve their skills.

opendrivelab.com

opendrivelab is committed to exploring cutting-edge autonomous driving technology, launching a series of benchmarking work, open source to serve the community, and promote the common development of the industry. friends who are committed to making influential research are welcome to join!

docs.anythingllm.com

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voyageai.com

Voyage AI provides cutting-edge embedding models and rerankers for search and retrieval

labelyourdata.com

✅ Compare top Azure Databricks competitors in 2025 for data, ML, and annotation pipelines. Explore cloud data warehouses, Spark engines, and labeling tools.