English
Related papers

Related papers: Looking at Vector Space and Language Models for IR…

200 papers

Information retrieval (IR) plays a crucial role in locating relevant resources from vast amounts of data, and its applications have evolved from traditional knowledge bases to modern retrieval models (RMs). The emergence of large language…

Computation and Language · Computer Science 2023-12-13 Jiazhan Feng , Chongyang Tao , Xiubo Geng , Tao Shen , Can Xu , Guodong Long , Dongyan Zhao , Daxin Jiang

Visually rich documents (VRDs) challenge retrieval-augmented generation (RAG) with layout-dependent semantics, brittle OCR, and evidence spread across complex figures and structured tables. This survey examines how Multimodal Large Language…

Information Retrieval · Computer Science 2026-01-08 Xiantao Zhang

Probing and enhancing large language models' reasoning capacity remains a crucial open question. Here we re-purpose the reverse dictionary task as a case study to probe LLMs' capacity for conceptual inference. We use in-context learning to…

Computation and Language · Computer Science 2024-02-27 Ningyu Xu , Qi Zhang , Menghan Zhang , Peng Qian , Xuanjing Huang

Text retrieval is a long-standing research topic on information seeking, where a system is required to return relevant information resources to user's queries in natural language. From classic retrieval methods to learning-based ranking…

Information Retrieval · Computer Science 2022-11-29 Wayne Xin Zhao , Jing Liu , Ruiyang Ren , Ji-Rong Wen

Recently multi-lingual pre-trained language models (PLM) such as mBERT and XLM-R have achieved impressive strides in cross-lingual dense retrieval. Despite its successes, they are general-purpose PLM while the multilingual PLM tailored for…

Computation and Language · Computer Science 2025-09-08 Shunyu Zhang , Yaobo Liang , Ming Gong , Daxin Jiang , Nan Duan

Given vector representations for individual words, it is necessary to compute vector representations of sentences for many applications in a compositional manner, often using artificial neural networks. Relatively little work has explored…

Computation and Language · Computer Science 2018-10-18 Adly Templeton , Jugal Kalita

Spatial expressions in situated communication can be ambiguous, as their meanings vary depending on the frames of reference (FoR) adopted by speakers and listeners. While spatial language understanding and reasoning by vision-language…

Computation and Language · Computer Science 2025-04-18 Zheyuan Zhang , Fengyuan Hu , Jayjun Lee , Freda Shi , Parisa Kordjamshidi , Joyce Chai , Ziqiao Ma

Large language models (LLMs) demonstrate outstanding performance in various tasks in machine learning and have thus become one of the most important workloads in today's computing landscape. However, deploying LLM inference poses challenges…

Machine Learning · Computer Science 2024-06-21 Jungi Lee , Wonbeom Lee , Jaewoong Sim

Large Language Models (LLMs) have transformed natural language processing tasks successfully. Yet, their large size and high computational needs pose challenges for practical use, especially in resource-limited settings. Model compression…

Computation and Language · Computer Science 2024-07-31 Xunyu Zhu , Jian Li , Yong Liu , Can Ma , Weiping Wang

As the core component of Natural Language Processing (NLP) system, Language Model (LM) can provide word representation and probability indication of word sequences. Neural Network Language Models (NNLMs) overcome the curse of dimensionality…

Computation and Language · Computer Science 2019-06-14 Kun Jing , Jungang Xu

Large Language Models (LLMs) are a class of generative AI models built using the Transformer network, capable of leveraging vast datasets to identify, summarize, translate, predict, and generate language. LLMs promise to revolutionize…

Information Retrieval · Computer Science 2024-03-05 Chunhe Ni , Jiang Wu , Hongbo Wang , Wenran Lu , Chenwei Zhang

A key solution to visual question answering (VQA) exists in how to fuse visual and language features extracted from an input image and question. We show that an attention mechanism that enables dense, bi-directional interactions between the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Duy-Kien Nguyen , Takayuki Okatani

We introduce a framework suitable for describing pattern recognition task using the mathematical language of density matrices. In particular, we provide a one-to-one correspondence between patterns and pure density operators. This…

Large language models (LLMs) often exhibit complementary strengths. Model routing harnesses these strengths by dynamically directing each query to the most suitable model, given a candidate model pool. However, routing performance relies on…

Machine Learning · Computer Science 2025-11-17 Chenxu Wang , Hao Li , Yiqun Zhang , Linyao Chen , Jianhao Chen , Ping Jian , Peng Ye , Qiaosheng Zhang , Shuyue Hu

Does language help make sense of the visual world? How important is it to actually see the world rather than having it described with words? These basic questions about the nature of intelligence have been difficult to answer because we…

Machine Learning · Computer Science 2024-05-13 Allison Chen , Ilia Sucholutsky , Olga Russakovsky , Thomas L. Griffiths

We propose Diverse Embedding Neural Network (DENN), a novel architecture for language models (LMs). A DENNLM projects the input word history vector onto multiple diverse low-dimensional sub-spaces instead of a single higher-dimensional…

Computation and Language · Computer Science 2015-04-17 Kartik Audhkhasi , Abhinav Sethy , Bhuvana Ramabhadran

The present work provides an original framework for random matrix analysis based on revisiting the concentration of measure theory from a probabilistic point of view. By providing various notions of vector concentration ($q$-exponential,…

Probability · Mathematics 2021-01-19 Cosme Louart , Romain Couillet

As Large Language Models become ubiquitous in many sectors and tasks, there is a need to reduce token usage, overcoming challenges such as short context windows, limited output sizes, and costs associated with token intake and generation,…

Computation and Language · Computer Science 2024-10-02 Ramon Maria Garcia Alarcia , Alessandro Golkar

A parameterization of the density operator, a coherence vector representation, which uses a basis of orthogonal, traceless, Hermitian matrices is discussed. Using this parameterization we find the region of permissible vectors which…

Quantum Physics · Physics 2009-11-10 Mark S. Byrd , Navin Khaneja

This paper addresses the construction of a short-vector (128D) image representation for large-scale image and particular object retrieval. In particular, the method of joint dimensionality reduction of multiple vocabularies is considered.…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Filip Radenovic , Herve Jegou , Ondrej Chum