artificial intelligence (ai) is revolutionizing the way discoveries are made. ai is creating a new scientific paradigm by accelerating processes such as data analysis, computing, and idea generation. The researchers want to create a system that eventually learns to avoid humans completely by completing the research cycle without human involvement. These advances could increase productivity and bring people closer to difficult challenges.
The process of generating hypotheses, running experiments, and validating data is often inefficient since scientific research involves human elements. Innovative solutions are hampered by evolutionary progress, as ideas cannot be refined with iterative feedback mechanisms during experimentation. The importance of this aspect cannot be underestimated, as it contributes to faster and more accurate findings in scientific studies.
Several research environments have been developed to partially automate the research process. Tools like GPT-researcher and ai-Scientist can break down tasks into simpler subtasks, help generate ideas, and perform some kind of calculation. However, there is no general integrated framework that includes experimental feedback within the research cycle. Additionally, most current tools rely on small data sets or predefined workflows, limiting their ability to execute open-ended research tasks.
Fudan University and Shanghai artificial intelligence Laboratory have developed DOLPHIN, a closed-loop automatic research framework that covers the entire scientific research process. The system generates ideas, runs experiments, and incorporates feedback to refine subsequent iterations. DOLPHIN ensures greater efficiency and accuracy by classifying task-specific literature and employing advanced debugging processes. This comprehensive approach distinguishes it from other tools and positions it as a pioneering system for autonomous research.
The DOLPHIN methodology is divided into three interconnected stages. First, the system retrieves and classifies relevant research articles on a topic. Articles are sorted based on relevance to the task and topic attributes, thus filtering out the most applicable references. Using the selected references, DOLPHIN generates novel and independent research ideas. The generated ideas are refined by using a sentence transformer model, calculating cosine similarity and removing redundancy.
Once the ideas are finalized, DOLPHIN moves on to experimental verification. Automatically generate and debug code using a process guided by exception tracking. This involves analyzing error messages and their related code structure to efficiently make corrections. Experiments are performed iteratively and results are classified as improvements, maintenance, or declines. Successful results are fed into future cycles, improving the quality of idea generation over time.
DOLPHIN was tested on three benchmark tasks: image classification using CIFAR-100, 3D point classification using ModelNet40, and sentiment classification using SST-2. In image classification, DOLPHIN outperformed benchmark models such as WideResNet by up to 0.8%, achieving a superior accuracy of 82.0%. For 3D point classification, the system outperformed human-designed methods such as PointNet, achieving an overall accuracy of 93.9%, a 2.9% improvement over baseline models. In sentiment classification, DOLPHIN improved accuracy by 1.5% to close the gap between BERT-base and BERT-large performance. These results show that DOLPHIN can produce insights on par with state-of-the-art methods, including its performance on diverse data sets and tasks.
An interesting feature of DOLPHIN is that it improves efficiency in research iterations. In the first iteration, it produced 20 ideas, of which 19 were considered novel, at an average cost per idea of $0.184. DOLPHIN's closed-loop system improved processing during the third iteration to improve idea quality and experimental execution rates. The debugging success rate went from 33.3% to 50.0% after structured feedback on previous errors was incorporated. This iterative improvement underscores the strength of DOLPHIN's design in automating and optimizing the research process.
DOLPHIN represents a major advancement in ai-driven research by addressing key inefficiencies in traditional scientific workflows. Its ability to integrate literature review, idea generation, experimentation, and feedback into a fluid cycle demonstrates its potential to promote scientific discovery. The framework improves efficiency and achieves results comparable or superior to human-designed systems. This positions DOLPHIN as a promising tool to address complex scientific challenges and foster innovation in various fields.
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Nikhil is an internal consultant at Marktechpost. He is pursuing an integrated double degree in Materials at the Indian Institute of technology Kharagpur. Nikhil is an ai/ML enthusiast who is always researching applications in fields like biomaterials and biomedical science. With a strong background in materials science, he is exploring new advances and creating opportunities to contribute.