ArXivCSExplorer
☆☆Bookmarks🏆RSSHow to UseFAQ
Built with and by Teycir Ben Soltane•
How to Use•FAQ•GitHub•arXiv.org•
Share:

20 results for “dense retrieval, centroid-based quantization, pseudo-relevance feedback, retrieval effectiveness”

CS papers only

Hybrid search: Keyword + semantic, ranked by combined score.ⓘ

Want pure semantic search? Try claim verification →

cs.IRcs.CLEmpiricalRecentJul 21, 2026

PLAID-PRF: Pseudo-Relevance Feedback with Centroid-like Tokens in PLAID

Xiao Wang, Sean MacAvaney, Craig Macdonald

This paper introduces PLAID-PRF, a method for performing Pseudo-Relevance Feedback (PRF) over PLAID, a centroid-based dense retrieval model, to improve retrieval effectiveness.

View →
cs.IRcs.AIcs.LGRecentMay 31, 2026

Test-Time Training for Zero-Resource Dense Retrieval Reranking

Shiyan Liu, Yichen Li

The paper proposes DART, a test-time adaptation method that enhances zero-resource dense retrieval reranking by adaptively tuning a bilinear scoring matrix using pseudo-positive and pseudo-negative ex…

View →
cs.IRcs.AIcs.CLRecentMay 28, 2026

Latent Terms: Dense Retrievers Contain Trivially Extractable BM25-ready Zipfian Vocabularies

Benjamin Clavié, Sean Lee, Aamir Shakir, Makoto P. Kato

The paper introduces Latent Terms, a method that shows dense retrieval models implicitly learn sparse, Zipfian vocabularies that can be used for classical BM25-style sparse scoring without requiring s…

View →
cs.IRcs.AIcs.LGRecentMay 28, 2026

No More K-means: Single-Stage Sparse Coding for Efficient Multi-Vector Retrieval

Lixuan Guo, Yifei Wang, Tiansheng Wen, Aosong Feng +2 more

The paper introduces Single-stage Sparse Retrieval (SSR), a method that replaces computationally expensive vector clustering with sparse autoencoding to achieve highly efficient multi-vector retrieval…

View →
cs.IREmpiricalRecentJun 10, 2026

Tail-Aware Adaptive-k: Query-Adaptive Context Selection for Retrieval-Augmented Generation

Ziyu Song, Jiaming Fang, Kuangyu Li, Tuo Xia +1 more

This paper proposes Tail-Aware Adaptive-k (TAA-k), a training-free framework for adaptive context selection in retrieval-augmented generation systems using Extreme Value Theory.

View →
cs.CLcs.IREmpiricalRecentJun 10, 2026

uva-irlab-conv at SemEval-2026 Task 8: Multi-Turn RAG with Learned Sparse Retrieval and Listwise Reranking

Simon Lupart, Kidist Amde Mekonnen, Zahra Abbasiantaeb, Mohammad Aliannejadi

This paper proposes a multi-turn retrieval-augmented generation pipeline for conversational systems across four domains.

View →
cs.IREmpiricalRecentJul 20, 2026

The Matryoshka Hypencoder

Majd Alkawaas, Sean MacAvaney

The paper proposes an extended version of Hypencoder, a retrieval approach that encodes queries as shallow neural networks, achieving comparable effectiveness with fewer active parameters and higher s…

View →
cs.IRcs.CLEmpiricalRecentJun 11, 2026

ADORE: Iterative Query Expansion with Retrieval-Grounded Relevance Feedback

Amin Bigdeli, Negar Arabzadeh, Radin Hamidi Rad, Sajad Ebrahimi +2 more

The paper introduces ADORE, an iterative framework for query expansion using LLMs, which turns retrieval outcomes into feedback for the next expansion.

View →
cs.AIcs.IRRecentMay 28, 2026

Xetrieval: Mechanistically Explaining Dense Retrieval

Zhixin Cai, Jun Bai, Yang Liu, Jiaqi Li +6 more

Xetrieval introduces an embedding-level framework to mechanistically explain dense retrieval decisions by decomposing high-dimensional embeddings into sparse, human-interpretable features.

View →
cs.IRcs.CLEmpiricalRecentJun 12, 2026

ScoreGate: Adaptive Chunk Selection for Retrieval-Augmented Generation via Dual-Score Statistical Fusion

Karamvir Singh, Arvind Jain

This paper introduces ScoreGate, a method for controlling retrieval cardinality at inference time using existing scores, reducing over-retrieval and under-retrieval.

View →
cs.IRcs.CLEmpiricalRecentJun 12, 2026

CoRe: A Continuously Reward-Finetuned LLM Query Rewriter for Multi-Stage Context-Aware Relevance in Web-Scale Video Search

Yilin Wen, Rong Yang, Xiaojia Chang, Hong Sun +10 more

The paper presents CoRe, a query rewriter system that uses the deployed multimodal relevance model as its source for reward and closes the simulation-production gap, allowing for weekly redeployment.

View →
cs.AIRecentMay 28, 2026

RAISE: RAG Design as an Architecture Search Problem

Zhen Chen, Yibing Liu, Weihao Xie, Yu Liang +2 more

The paper proposes formulating RAG design as an architecture search problem and introduces RAISE, a comprehensive framework and benchmark for systematically optimizing RAG hyperparameters.

View →
cs.DScs.IRTheoreticalRecentJun 22, 2026

Multi-Vector Embeddings are Provably More Expressive than Single Vector Embeddings

Rajesh Jayaram

This paper proves that single-vector embeddings require a larger representation size than multi-vector embeddings to approximate certain similarities.

View →
cs.IRcs.LGstat.MLRecentJun 3, 2026

Distributional Approximate Nearest Neighbour Search for Uncertainty-Aware Retrieval

Olivier Jeunen

The paper proposes DINOSAUR, a framework that incorporates embedding uncertainty into Approximate Nearest Neighbour search to improve retrieval for niche, long-tail content.

View →
cs.IRcs.AIRecentMay 30, 2026

SkillPager: Query-Adaptive Intra-Skill Navigation via Semantic Node Retrieval

Zicai Cui, Zihan Guo, Weiwen Liu, Weinan Zhang

SkillPager is a novel two-stage framework that efficiently selects minimal, execution-sufficient context from large procedural skill documents by leveraging typed semantic nodes, significantly reducin…

View →