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Prefix caching is a key latency optimization for autoregressive LLM serving, yet existing systems assume dense per-token key/value reuse. State-space models change the structure of the problem: a recurrent layer can resume from a single…

机器学习 · 计算机科学 2026-05-08 Mikhail Shirokikh , Sergey Nikolenko

The rapid scaling of large language models~(LLMs) has made inference efficiency a primary bottleneck in the practical deployment. To address this, semi-structured sparsity offers a promising solution by strategically retaining $N$ elements…

机器学习 · 计算机科学 2026-05-14 Yan Sun , Qixin Zhang , Zhiyuan Yu , Xikun Zhang , Li Shen , Dacheng Tao

The Connectionist Temporal Classification (CTC) has achieved great success in sequence to sequence analysis tasks such as automatic speech recognition (ASR) and scene text recognition (STR). These applications can use the CTC objective…

信号处理 · 电气工程与系统科学 2019-09-09 Siyuan Lu , Jinming Lu , Jun Lin , Zhongfeng Wang

Similarity measures based purely on word embeddings are comfortably competing with much more sophisticated deep learning and expert-engineered systems on unsupervised semantic textual similarity (STS) tasks. In contrast to commonly used…

计算与语言 · 计算机科学 2019-10-08 Vitalii Zhelezniak , April Shen , Daniel Busbridge , Aleksandar Savkov , Nils Hammerla

Post-training activation compression is essential for deploying Large Language Models (LLMs) on resource-constrained hardware. However, standard methods like Singular Value Decomposition (SVD) are gradient-blind: they preserve high-variance…

机器学习 · 计算机科学 2026-01-13 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Hashing has emerged as a popular technique for large-scale similarity search. Most learning-based hashing methods generate compact yet correlated hash codes. However, this redundancy is storage-inefficient. Hence we propose a lossless…

计算机视觉与模式识别 · 计算机科学 2016-03-18 Honghai Yu , Pierre Moulin , Hong Wei Ng , Xiaoli Li

The Johnson-Lindenstrauss (JL) theorem states that a set of points in high-dimensional space can be embedded into a lower-dimensional space while approximately preserving pairwise distances with high probability Johnson and Lindenstrauss…

数据结构与算法 · 计算机科学 2026-01-01 Pierre Mackenzie

Representation learning is central to many downstream tasks such as search, clustering, classification, and reranking. State-of-the-art sequence encoders typically collapse a variable-length token sequence to a single vector using a pooling…

计算与语言 · 计算机科学 2026-01-30 Meet Doshi , Aashka Trivedi , Vishwajeet Kumar , Parul Awasthy , Yulong Li , Jaydeep Sen , Radu Florian , Sachindra Joshi

The $c$-approximate Near Neighbor problem in high dimensional spaces has been mainly addressed by Locality Sensitive Hashing (LSH), which offers polynomial dependence on the dimension, query time sublinear in the size of the dataset, and…

计算几何 · 计算机科学 2016-12-23 Georgia Avarikioti , Ioannis Z. Emiris , Ioannis Psarros , Georgios Samaras

Dense embedding models are commonly deployed in commercial search engines, wherein all the document vectors are pre-computed, and near-neighbor search (NNS) is performed with the query vector to find relevant documents. However, the…

机器学习 · 计算机科学 2020-09-01 Tharun Medini , Beidi Chen , Anshumali Shrivastava

This research aims to develop a dynamic and scalable framework to facilitate harmonization of Common Data Elements (CDEs) across heterogeneous biomedical datasets by addressing challenges such as semantic heterogeneity, structural…

信息检索 · 计算机科学 2025-06-04 Madan Krishnamurthy , Daniel Korn , Melissa A Haendel , Christopher J Mungall , Anne E Thessen

In this paper, we study a fast approximation method for {\it large-scale high-dimensional} sparse least-squares regression problem by exploiting the Johnson-Lindenstrauss (JL) transforms, which embed a set of high-dimensional vectors into a…

统计理论 · 数学 2015-07-21 Tianbao Yang , Lijun Zhang , Qihang Lin , Rong Jin

We introduce CL-QAS, a continual quantum architecture search framework that mitigates the challenges of costly amplitude encoding and catastrophic forgetting in variational quantum circuits. The method uses Tensor-Train encoding to…

量子物理 · 物理学 2026-01-13 Jun Qi , Chao-Han Huck Yang , Pin-Yu Chen , Javier Tejedor , Ling Li , Min-Hsiu Hsieh

Efficient long-context modeling remains a critical challenge for natural language processing (NLP), as the time complexity of the predominant Transformer architecture scales quadratically with the sequence length. While state-space models…

机器学习 · 计算机科学 2025-09-30 Zhihao Zhan , Jianan Zhao , Zhaocheng Zhu , Jian Tang

We present the multi-layer extension of the Sparse Ternary Codes (STC) for fast similarity search where we focus on the reconstruction of the database vectors from the ternary codes. To consider the trade-offs between the compactness of the…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Sohrab Ferdowsi , Slava Voloshynovskiy , Dimche Kostadinov

Fine-tuning large language models (LLMs) is often constrained by the computational costs of processing massive datasets. We propose \textbf{QLESS} (Quantized Low-rank Gradient Similarity Search), which integrates gradient quantization with…

We consider the problem of efficient randomized dimensionality reduction with norm-preservation guarantees. Specifically we prove data-dependent Johnson-Lindenstrauss-type geometry preservation guarantees for Ho's random subspace method:…

机器学习 · 统计学 2017-05-19 Nick Lim , Robert J. Durrant

The existing work on densification of one permutation hashing reduces the query processing cost of the $(K,L)$-parameterized Locality Sensitive Hashing (LSH) algorithm with minwise hashing, from $O(dKL)$ to merely $O(d + KL)$, where $d$ is…

统计方法学 · 统计学 2014-06-19 Anshumali Shrivastava , Ping Li

Recently, label consistent k-svd (LC-KSVD) algorithm has been successfully applied in image classification. The objective function of LC-KSVD is consisted of reconstruction error, classification error and discriminative sparse codes error…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Shuai Shao , Yan-Jiang Wang , Bao-Di Liu , Weifeng Liu , Rui Xu

We study the amount of reliable information that can be stored in a DNA-based storage system with noisy sequencing, where each codeword is composed of short DNA molecules. We analyze a concatenated coding scheme, where the outer code is…

信息论 · 计算机科学 2026-05-19 Ran Tamir , Nir Weinberger , Albert Guillén i Fàbregas