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- 18 days ago x.com
Quantizing 10M EmbeddingGemma vectors to 1 bit with MRL cuts RAM from 30GB to 0.4GB
The author's post reports compressing 10 million EmbeddingGemma embeddings to 1 bit, with MRL reduction to 256 dimensions, dropping RAM from about 30GB to 0.4GB at a stated quality loss of about 5%.
- 18 days ago x.com
Benchmark tests retrieval in legal RAG systems
A paper published on March 7, 2026 presents a criminal-law retrieval benchmark with 4,876 passages and 100 complex questions written by legal experts.
- 18 days ago x.com
BM25: lexical search without embeddings
A post published on February 9, 2026 explains how BM25 scores documents using term rarity, diminishing returns for repetitions, and document-length normalization.
- 18 days ago x.com
Iceberg broadens vector search evaluation
On December 21, 2025, researchers from Alibaba and partners presented Iceberg, a suite with eight datasets that evaluates vector search through its effects on downstream tasks, beyond recall and latency.
- 18 days ago
arxiv.orgLightRetriever cuts the cost of LLM-based retrieval
A post published on March 5, 2026 reports query encoding 1,000× faster and 10× higher throughput with LightRetriever, while retaining 95% of benchmark performance.
- 18 days ago github.com
Geometric limits on compression in RAG
A NeurIPS 2026 paper studies compression in RAG through embedding geometry and says a spectral quantity defines a minimum limit for compression.
- 18 days ago
arxiv.orgMegaRAG proposes multimodal graphs for RAG
Published on December 25, 2025, the paper describes a method that automatically builds knowledge graphs from visual documents to support retrieval and cross-modal reasoning.
- 18 days ago x.com
MTEB v2 expands embedding evaluation
On October 20, 2025, an MTEB team post introduced version 2 of its evaluation suite, with multimodal support, rerankers, and migration guidance.
- 18 days ago x.com
Post compares ColBERTv2 and Qwen3-Embed-8B for retrieval
Published on February 27, 2026, the post claims that 100-million-parameter ColBERTv2 surpasses Qwen3-Embed-8B and highlights BM25 with reranking as a relevant baseline.
- 18 days ago x.com
Binary quantization cuts embeddings from 4,096 to 128 bytes
A post published on March 19, 2026 describes a technique that represents each embedding dimension with one bit, reducing a 4,096-byte vector to 128 bytes.
- 18 days ago arxiv.org
RAG: More documents may reduce reliance on larger LLMs
A CMU researchers’ paper, dated January 14, 2026, evaluates expanding the retrieval corpus as an alternative to scaling up the model. According to the post, a medium-sized model with more documents may match a larger model with a smaller corpus.
- 18 days ago x.com
Sparse retrieval may reduce memory costs for long-context inference
A paper published on June 9, 2026 describes a technique that predicts which KV-cache chunks will be needed, keeping selected chunks on the GPU and offloading the rest.
- 18 days ago
arxiv.orgRouteRAG adapts text and graph searches during reasoning
Published on December 15, 2025, the material describes a RAG framework using reinforcement learning to choose searches and penalize unnecessary retrieval.
- 18 days ago
arxiv.orgSkill-RAG adapts retrieval to detected knowledge gaps
Published on April 20, 2026, the paper presents a method that detects potential knowledge gaps and routes queries to specialized retrieval strategies. It evaluates the approach on HotpotQA, Natural Questions, and TriviaQA.
- 18 days ago ultrarag.openbmb.cn
UltraRAG 3.0 structures RAG workflows with YAML
Published on January 27, 2026, the UltraRAG 3.0 repository presents a lightweight, research-oriented framework that combines MCP servers with configurable YAML workflows.
- 18 days ago
arxiv.orgUniversalRAG routes queries for multimodal retrieval
Published on January 14, 2026, the text describes a framework that routes queries to modality-specific corpora and retrieves knowledge across modalities and levels of granularity.
- 18 days ago linkedin.com
RAG: five research directions for better search
Published on August 26, 2024, this selection covers five RAG papers and notes that enriching queries with metadata may improve retrieval and answer quality.
- 18 days ago github.com
RAG tutorials outline techniques for improving search
Published on October 15, 2024, the RAG_Techniques repository offers notebooks on reranking, chunking, filtering, and Graph RAG to explore retrieval-augmented generation approaches.
- 18 days ago x.com
AssistRAG separates memory from answer generation
Published on November 30, 2024, the work on AssistRAG describes a way to manage memory and external knowledge without retraining the main generation model.
- 18 days ago x.com
Auto-RAG adapts iterative search to question difficulty
A post published on December 2, 2024 describes a method that plans searches and refines queries in multiple steps, adjusting the number of iterations to the difficulty of the question.
- 18 days ago x.com
Autoflow demonstrates Graph RAG with vector storage in TiDB
Published on November 22, 2024, the PingCAP repository describes Autoflow, a conversational Graph RAG knowledge base that uses TiDB Serverless for vector storage.
- 18 days ago x.com
Local vector search with SQLite and sqlite-vec
A publication dated August 2, 2024 presents a dependency-free C extension that adds vector search to SQLite.
- 18 days ago github.com
How to build a RAG pipeline for PDFs
A notebook published on November 28, 2024 demonstrates a RAG recipe for PDFs with Docling and Weaviate, using document conversion to Markdown or JSON.
- 18 days ago
arxiv.orgEfficientRAG reduces LLM calls for multi-hop questions
An article published on August 17, 2024 presents a retrieval method that generates queries iteratively without calling an LLM at every step.
- 18 days ago recsys.substack.com
Generative embeddings and document search: themes to evaluate
The weekly research-paper selection, volume 124, was published on October 5, 2025. It highlights generative embeddings with test-time scaling and efficient retrieval systems for visual documents.
- 18 days ago x.com
Expanding queries with knowledge graphs
A publication dated November 13, 2024 describes a workflow combining entities extracted from queries, retrieved documents, and knowledge-graph relationships to generate contextual expansions.
- 18 days ago
arxiv.orgFACT proposes iterative rewriting to retrieve multiple facts
Published on October 30, 2024, the paper presents a context-rewriting approach for retrieving multiple facts and examines incomplete answers from lengthy contexts.
- 18 days ago x.com
Baidu framework makes RAG more traceable
A Baidu post published on July 30, 2024 describes a framework that evaluates retrieved documents, selects evidence, and analyzes reasoning paths before answering.
- 18 days ago x.com
Graphiti: temporal graphs for evolving data
Published on December 10, 2024, the Graphiti project describes dynamic knowledge graphs that represent relationships between entities over time and offer multiple search methods.
- 18 days ago x.com
HijackRAG highlights risks in RAG systems
Published on December 1, 2024, the post describes an attack that uses injected texts, attention diversion, and instructions to manipulate RAG system outputs.
- 18 days ago x.com
LazyGraphRAG combines vector and graph search
A post published on November 29, 2024 describes an approach combining vector RAG with breadth-first and best-first iterative search, without index summarization.
- 18 days ago
arxiv.orgLightRAG combines graphs with two-level retrieval
A description published on October 13, 2024 presents a RAG framework combining graph-based text indexing with low- and high-level retrieval for entity-specific and conceptual information.
- 18 days ago x.com
Memory in AI agents: criteria for long-term projects
A survey published on August 11, 2025, by researchers at Renmin University of China and Huawei covers the design, evaluation, applications, limitations, and future directions of memory in LLM-based agents.
- 18 days ago github.com
OpenScholar brings code, models and 45 million papers
On November 19, 2024, the OpenScholar repository presented code, model checkpoints, a collection of more than 45 million papers through October 2024, and the ScholarQABench benchmark.
- 18 days ago x.com
Multi-hop RAG with a graph planned for each query
A post published on August 12, 2025 describes a method that plans dependencies among subproblems for each query and reports outperforming GraphRAG systems on three multi-hop question-answering datasets.
- 18 days ago x.com
RARe adapts retrieval models with retrieved examples
Published on December 1, 2024, the paper presents RARe, a method that uses BM25-retrieved query-document pairs as examples to guide retrieval models.
- 18 days ago x.com
REFRAG speeds up RAG with reusable embeddings
A paper published on September 15, 2025 presents REFRAG, a method that replaces most retrieved tokens with precomputed chunk embeddings. It reports 30× higher speed and support for 16× longer contexts without loss of accuracy.
- 18 days ago github.com
A Python RLM implementation for long contexts
Published on October 17, 2025, this repository presents an open-source Recursive Language Models implementation that keeps long inputs in a Python environment for analysis.
- 18 days ago x.com
SimpleQA: measuring factual accuracy in AI responses
Published on October 30, 2024, the paper describes a benchmark of 4,000 factual questions and verified reference answers for evaluating models.
- 18 days ago
arxiv.orgVideoRAG expands information retrieval to video
On January 14, 2025, KAIST research presented a framework that retrieves videos relevant to queries and combines visual and textual information in multimodal RAG responses.
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