# Defined.ai AI training data marketplace and custom data services for teams building AI models. - Findings24: - ウェブサイト: - 料金: Freemium - カテゴリー: Developer Tools ## Defined.aiとは？ Defined.ai is an AI training data marketplace and services provider for teams developing and evaluating machine learning models. It combines licensed datasets with custom collection, annotation, and model development services, covering speech, text, images, video, and multimodal data. Teams can select existing datasets or commission data tailored to their project requirements. Defined.ai serves enterprise AI teams, foundation model providers, and AI companies, including organizations in healthcare, finance, automotive, and technology. ## Defined.aiでできること ### Dataset marketplace Browse and license more than 700 ready-to-use training datasets. Filters for language, domain, and format help teams identify relevant data before requesting free samples. ### Custom data collection Commission data collection scoped to accuracy, demographic, language, and compliance requirements, supporting projects that need data beyond existing catalogue offerings. ### Human annotation and validation Access expert labeling, transcription, annotation, and validation for image, video, text, and audio datasets. ### Translation and conversation data Obtain parallel corpora and translation training data, plus speech and dialogue data for voice assistants, chatbots, IVR systems, and conversational agents. ### LLM development services Services cover supervised fine-tuning, retrieval-augmented generation, reinforcement learning from human feedback, and direct preference optimization. ### Data and model evaluation Use human-in-the-loop evaluation, red teaming, and quality assessment to examine AI datasets and models. ## 利用シーン ### Address gaps in training coverage An AI team with missing demographic or language coverage can commission a collection project defined around those requirements. ### Build multilingual conversational systems Teams developing voice assistants or customer dialogue systems can source speech and conversation data for their target languages and markets. ### Prepare labeled visual data Automotive, robotics, or other computer vision teams can use image and video annotation services to prepare training datasets. ### Adapt and assess language models Teams working on an LLM can combine fine-tuning services with human evaluation and red teaming to assess model quality during development. ## よくある質問 ### Can teams assess datasets before licensing them? The marketplace offers free dataset samples, allowing teams to examine sample data when considering a licence. ### How does Defined.ai source its data? Defined.ai states that data is sourced with informed consent and fair compensation, with provenance provided. Its contributor community includes more than 1.6 million vetted contributors across more than 150 markets. ### Does Defined.ai support less widely used languages? Its stated coverage spans more than 500 languages, dialects, and locales, including low-resource language pairs. ### Can teams access contributors directly for custom projects? Crowd-as-a-Service provides direct access to Defined.ai’s globally diverse contributor community for custom data projects. ## クイック情報 - **Category**: AI training data marketplace and services - **Data formats**: Speech, text, image, video, and multimodal - **Founded**: 2015, by Daniela Braga - **Headquarters**: Seattle; offices in Lisbon, Porto, and Tokyo - **Website**: https://defined.ai/