DeepSolution: Boosting Complex Engineering Solution Design via Tree-based Exploration and Bi-point Thinking
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Abstract (arXiv)
Designing solutions for complex engineering challenges is crucial in human production activities. However, previous research in the retrieval-augmented generation (RAG) field has not sufficiently addressed tasks related to the design of complex engineering solutions. To fill this gap, we introduce a new benchmark, SolutionBench, to evaluate a system's ability to generate complete and feasible solutions for engineering problems with multiple complex constraints. To further advance the design of complex engineering solutions, we propose a novel system, SolutionRAG, that leverages the tree-based exploration and bi-point thinking mechanism to generate reliable solutions. Extensive experimental results demonstrate that SolutionRAG achieves state-of-the-art (SOTA) performance on the SolutionBench, highlighting its potential to enhance the automation and reliability of complex engineering solution design in real-world applications.
Key facts. Cited by 9 papers in the map (data through 7 Oct 2026). Builds on 18 of its 38 references that are in the map. First posted on arXiv 28 Feb 2025.
Builds on
18 of 38 references.
References · 18
- 2020Retrieval-Augmented Generation for Knowledge-Intensive NLP Taskscited by 9,160
- 2018HotpotQA: A Dataset for Diverse, Explainable Multi-hop Question Answeringcited by 3,686
- 2023Self-RAG: Learning to Retrieve, Generate, and Critique through Self-Reflectioncited by 1,800
- 2020Constructing A Multi-hop QA Dataset for Comprehensive Evaluation of Reasoning Stepscited by 1,259
- 2023Towards General Text Embeddings with Multi-stage Contrastive Learningcited by 705
- 2019ELI5: Long Form Question Answeringcited by 567
- 2024NV-Embed: Improved Techniques for Training LLMs as Generalist Embedding Modelscited by 466
- 2025Search-o1: Agentic Search-Enhanced Large Reasoning Modelscited by 423
- 2022ASQA: Factoid Questions Meet Long-Form Answerscited by 231
- 2022Unified Structure Generation for Universal Information Extractioncited by 220
- 2024Leave No Document Behind: Benchmarking Long-Context LLMs with Extended Multi-Doc QAcited by 121
- 2023A Critical Evaluation of Evaluations for Long-form Question Answeringcited by 111
6 more
- 2024StructRAG: Boosting Knowledge Intensive Reasoning of LLMs via Inference-time Hybrid Information Structurizationcited by 70
- 2024Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answeringcited by 51
- 2024RAG-Star: Enhancing Deliberative Reasoning with Retrieval Augmented Verification and Refinementcited by 38
- 2024Long2RAG: Evaluating Long-Context & Long-Form Retrieval-Augmented Generation with Key Point Recallcited by 32
- 2024Cofca: A Step-Wise Counterfactual Multi-hop QA benchmarkcited by 26
- 2024On the Evaluation of Machine-Generated Reportscited by 23
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Citing papers per year: 2025: 7; 2026: 2.
9 papers.
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- 2025Search and Refine During Think: Facilitating Knowledge Refinement for Improved Retrieval-Augmented Reasoningcited by 34
- 2025Synergizing RAG and Reasoning: A Systematic Reviewcited by 27
- 2025A Comprehensive Survey on Reinforcement Learning-based Agentic Search: Foundations, Roles, Optimizations, Evaluations, and Applicationscited by 21
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- 2026MetaphorVU: Towards Metaphorical Video Understanding25 May 2026
- 2026PaperScope: A Multi-Modal Multi-Document Benchmark for Agentic Deep Research Across Massive Scientific Papers13 Apr 2026
- 2025A Comprehensive Survey on Reinforcement Learning-based Agentic Search: Foundations, Roles, Optimizations, Evaluations, and Applications19 Oct 2025
- 2025PaperRegister: Boosting Flexible-grained Paper Search via Hierarchical Register Indexing14 Aug 2025
- 2025A Survey of LLM-based Deep Search Agents: Paradigm, Optimization, Evaluation, and Challenges3 Aug 2025
- 2025Search and Refine During Think: Facilitating Knowledge Refinement for Improved Retrieval-Augmented Reasoning16 May 2025
- 2025WebThinker: Empowering Large Reasoning Models with Deep Research Capability30 Apr 2025
- 2025Synergizing RAG and Reasoning: A Systematic Review22 Apr 2025
- 2025Towards Reasoning Era: A Survey of Long Chain-of-Thought for Reasoning Large Language Models12 Mar 2025
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