№ 02 / SUMMARIES

#rag

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Tag · #rag
DAY 01September 16, 2026 SEP 16 · 20262 SUMMARIES
AI EngineerAI & LLMs

Multiscale Indexing: Solving the Fixed Chunk Size Trap

Fixed chunk sizes are a form of lossy compression that creates a 20-40% recall gap. Instead of tuning chunk sizes, index data at multiple scales and use Reciprocal Rank Fusion (RRF) to merge results for significantly higher accuracy.

AI Engineer
AI EngineerAI & LLMs

Building a Persistent Knowledge Layer for AI Agents

To move beyond 'first-day hire' AI agents, enterprises need a persistent, specialized knowledge layer that manages tribal knowledge and uses runtime coding agents to reduce token usage and improve accuracy.

DAY 02September 13, 2026 SEP 13 · 20261 SUMMARIES
IBM TechnologySoftware Engineering

The AI Engineering Skill Stack: From Foundations to Deployment

AI engineering is the practice of building functional systems around existing LLMs. Success requires a three-tier skill stack: technical foundations, AI-specific implementation (RAG/Agents), and production-grade deployment.

IBM Technology
DAY 03September 3, 2026 SEP 3 · 20261 SUMMARIES
IBM TechnologyAI & LLMs

Architecting AI Agents: Skills, MCP, RAG, and Memory

Effective AI agents require more than training data; they need a combination of procedural skills, external connectivity via MCP, static knowledge retrieval (RAG), and experiential learning (Memory) to solve complex tasks.

IBM Technology
DAY 04August 26, 2026 AUG 26 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

SchemaRouter: Field-Aware Tool Routing for Agentic RAG

SchemaRouter improves agentic RAG efficiency by using field-aware routing, which maps user queries to specific tool schemas rather than relying on generic semantic similarity.

arXiv cs.AI
DAY 05August 22, 2026 AUG 22 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

Adaptive Compression for Edge-based RAG

The article proposes a framework for optimizing Retrieval-Augmented Generation (RAG) on edge devices by dynamically compressing retrieved context based on runtime constraints, balancing model accuracy with hardware limitations.

arXiv cs.AI
DAY 06August 18, 2026 AUG 18 · 20261 SUMMARIES
LukeW — Functioning FormAI & LLMs

Optimizing RAG Systems with Intent-Based Classification

Moving from generic semantic search to intent-aware retrieval significantly improves answer accuracy by classifying user questions before fetching data.

LukeW — Functioning Form
DAY 07August 13, 2026 AUG 13 · 20262 SUMMARIES
IBM TechnologyAI & LLMs

Building Production AI: The Data Science & AI Loop

Production-ready AI systems rely on a continuous feedback loop where robust data science pipelines (ETL, governance) feed AI models, and AI, in turn, generates synthetic data to improve those same pipelines.

IBM Technology
arXiv cs.AIAI & LLMs

TRACE: A Framework for Trustworthy RAG Systems

The TRACE framework addresses reliability in retrieval-augmented generation by implementing a multi-stage verification process to mitigate hallucinations and ensure factual grounding in conversational AI.

DAY 08August 9, 2026 AUG 9 · 20261 SUMMARIES
IBM TechnologyAI & LLMs

Moving Beyond Chunking: Structural Retrieval for Complex Documents

Standard RAG often fails on structured documents by destroying context through chunking. A better approach is to preserve the document's original tree structure and use an agent to navigate it, ensuring higher precision and better context retention.

IBM Technology
DAY 09July 23, 2026 JUL 23 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

GraphContainer: A Unified Platform for Graph RAG Evaluation

GraphContainer is a platform designed to standardize the comparison and debugging of Graph RAG pipelines, addressing the lack of unified tooling for evaluating graph-based retrieval methods.

arXiv cs.AI
DAY 10July 19, 2026 JUL 19 · 20261 SUMMARIES
IBM TechnologyAI & LLMs

Designing Robust RAG Systems for Complex and Contradictory Data

RAG systems often fail not due to hallucinations, but because they are built on messy, contradictory, or outdated data without proper architectural guardrails to handle ambiguity.

IBM Technology
DAY 11July 17, 2026 JUL 17 · 20262 SUMMARIES
arXiv cs.AIAI & LLMs

HG-RAG: Improving Knowledge Graph Retrieval with Hierarchical Guidance

HG-RAG enhances retrieval-augmented generation by using hierarchical structures within knowledge graphs to improve context relevance and reduce noise in LLM responses.

arXiv cs.AI
AI EngineerAI & LLMs

Building AI Knowledge Systems: Intrinsic, Extrinsic, and Learned

To build effective AI agents, developers must move beyond model-intrinsic knowledge by grounding agents in organizational data (extrinsic) and implementing automated feedback loops (learned) to continuously optimize performance.

DAY 12June 29, 2026 JUN 29 · 20265 SUMMARIES
Level Up CodingAI & LLMs

Stop Blaming Your RAG Pipeline: 16 Production Techniques

Most RAG failures are pipeline issues, not model limitations. Improving retrieval precision through hybrid search, reranking, and rigorous evaluation is more effective than simply swapping models.

Level Up Coding
Level Up CodingAI & LLMs

Optimizing RAG Retrieval with Hierarchical Search

Hierarchical RAG improves precision and reduces computational costs by replacing flat, corpus-wide similarity searches with a two-stage process: document-level filtering followed by targeted chunk retrieval.

arXiv cs.AIRAG & Retrieval

DysLexLens: Analyzing Dyslexic AI User Experiences via LLMs

DysLexLens is an end-to-end framework that extracts, structures, and validates insights from noisy online forum data to understand how dyslexic learners interact with AI tools.

arXiv cs.AIAgents & Orchestration

ToE: Hierarchical Claim Verification Against Adversarial Misinformation

Tree of Evidence (ToE) is a fact-checking framework that uses a reinforcement learning-driven agent to decompose claims into hierarchical argument trees, significantly improving verification accuracy against adversarially poisoned inputs.

arXiv cs.AIAI & LLMs

DysLexLens: A Framework for Analyzing Dyslexic Learner AI Experiences

DysLexLens is an end-to-end, evidence-traceable framework that uses dictionary-driven filtering and knowledge graphs to analyze how dyslexic learners interact with AI tools via online forums.

DAY 13June 28, 2026 JUN 28 · 20261 SUMMARIES
AI EngineerRAG & Retrieval

Cross-Document AI for Predictive Financial Compliance

Moving from document-level validation to cross-document graph correlation and probabilistic risk modeling reduces false positives by 76% and enables proactive fraud detection.

AI Engineer
DAY 14June 25, 2026 JUN 25 · 20261 SUMMARIES
Google Cloud TechRAG & Retrieval

Building AI-Native Search with Spanner

Google Cloud Spanner now integrates full-text, vector, and hybrid search directly into the database, eliminating the need for separate search engines, ETL pipelines, and data synchronization issues.

Google Cloud Tech
DAY 15June 19, 2026 JUN 19 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

Configurable Clinical Information Extraction with Agentic RAG

Agentic RAG systems for clinical data require modular configuration to balance precision and recall, as monolithic pipelines often fail to handle the high variability of medical documentation.

arXiv cs.AI
DAY 16June 16, 2026 JUN 16 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

CONCORD: Asynchronous Sparse Aggregation for Device-Cloud RAG

CONCORD is a framework for device-cloud Retrieval-Augmented Generation that optimizes performance under document isolation by using asynchronous sparse aggregation to balance local privacy with cloud-scale retrieval.

arXiv cs.AI
DAY 17June 15, 2026 JUN 15 · 20261 SUMMARIES
Level Up CodingAI & LLMs

Scaling RAG Pipelines to 10M+ Documents with High Accuracy

To minimize hallucinations at scale, implement a multi-stage RAG pipeline that combines hybrid indexing, reciprocal rank fusion, and a strict 'retrieve, constrain, verify, abstain' workflow that forces the model to cite evidence or admit ignorance.

Level Up Coding
DAY 18May 29, 2026 MAY 29 · 20261 SUMMARIES
Level Up CodingAI & LLMs

Fixing RAG Hallucinations Through Better Retrieval Architecture

RAG failures are rarely LLM hallucinations; they are retrieval failures. To fix them, you must move beyond simple semantic search and implement robust document versioning, metadata filtering, and re-ranking.

Level Up Coding
DAY 19May 22, 2026 MAY 22 · 20261 SUMMARIES
Python in Plain EnglishAI & LLMs

Improving Financial Document Analysis with GraphRAG

Traditional vector-based RAG struggles with the non-linear, cross-referenced nature of financial documents. GraphRAG improves accuracy and reduces hallucinations by mapping entity relationships, ensuring multi-page data continuity.

Python in Plain English
DAY 20May 20, 2026 MAY 20 · 20261 SUMMARIES
Level Up CodingAI & LLMs

Fixing RAG Pipelines by Optimizing Chunking, Not Models

Most RAG failures are caused by poor data retrieval, not model hallucinations. Improving chunking strategy and inspecting raw retrieved data is the most effective way to improve accuracy.

Level Up Coding
DAY 21May 19, 2026 MAY 19 · 20261 SUMMARIES
Google Cloud TechAI & LLMs

Building Stateful AI Agents with Gemini Enterprise

Google Cloud's Gemini Enterprise Agent Platform enables stateful AI agents through cloud-based sessions and automated memory banks, allowing developers to build contextual, RAG-enabled applications with minimal code.

Google Cloud Tech
DAY 22May 18, 2026 MAY 18 · 20261 SUMMARIES
Level Up CodingAI & LLMs

Beyond RAG: Building Hybrid Knowledge Architectures

RAG is effective for static, unstructured retrieval but fails at reasoning, structured data, and long-term memory. Production systems require hybrid architectures that combine retrieval with knowledge graphs and persistent state.

Level Up Coding
DAY 23May 5, 2026 MAY 5 · 20261 SUMMARIES
IBM Technology

RAG Evolves from Keyword Search to Agentic Reasoning

Information retrieval progressed from keyword matching (TF-IDF/BM25) to semantic vectors, hybrid systems, RAG for LLM augmentation, and agentic setups that autonomously plan retrieval, validate sources, and synthesize multi-step answers.

IBM Technology

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