R2C (Retrieval-augmented generation): current frontier — recent, not yet superseded in the knowledge base. 0 paper(s) critique it, 0 beat it on benchmarks — not ranked as a superseded baseline. Sub-problem: cluster led by RAG. Newer alternatives in the same sub-problem include Narrative Knowledge Weaver, IA-RAG, MemGraphRAG, LegalGraphRAG, R2C.

Method Drift›Retrieval-augmented generation

Tracked

R2C

Uncertainty Quantification for Retrieval-Augmented Reasoning

Retrieval-augmented generation · first seen May 27, 2026

current frontier — recent, not yet superseded in the knowledge base

0 papers critique it · 0 beat it on benchmarks

Newer alternatives

Recent methods in the same sub-problem, not yet superseded in the knowledge base.

Narrative Knowledge Weaver Narrative Knowledge Weaver: Narrative-Centric Retrieval-Augmented Reasoning for Long-Form Text Understanding
Jun 4, 2026
IA-RAG IA-RAG: Interval-Algebra-Driven Temporal Reasoning for Dynamic Knowledge Retrieval
Jun 4, 2026
MemGraphRAG MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation
May 30, 2026
LegalGraphRAG LegalGraphRAG: Multi-Agent Graph Retrieval-Augmented Generation for Reliable Legal Reasoning
May 27, 2026
R2C Uncertainty Quantification for Retrieval-Augmented Reasoning
May 27, 2026
In-Context Optimization for RAG In-Context Optimization for Retrieval-Augmented Generation: A Gradient-Descent Perspective
May 25, 2026
EfficientGraph-RAG EfficientGraph-RAG: Structured Retrieval-State Management for Cross-Task Retrieval-Augmented Generation
May 25, 2026
FD-RAG FD-RAG: Federated Dual-System Retrieval-Augmented Generation
May 22, 2026
Goal-Mem Goal-Oriented Reasoning for RAG-based Memory in Conversational Agentic LLM Systems
May 12, 2026
LatentRAG LatentRAG: Latent Reasoning and Retrieval for Efficient Agentic RAG
May 7, 2026
Chain of Evidence (CoE)Chain of Evidence: Pixel-Level Visual Attribution for Iterative Retrieval-Augmented Generation
May 2, 2026
CERTA "I Don't Know" -- Towards Appropriate Trust with Certainty-Aware Retrieval Augmented Generation
May 1, 2026