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Related papers: A Fully Attention-Based Information Retriever

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Models based on the Transformer architecture have achieved better accuracy than the ones based on competing architectures for a large set of tasks. A unique feature of the Transformer is its universal application of a self-attention…

Machine Learning · Computer Science 2020-10-01 Nan Ding , Xinjie Fan , Zhenzhong Lan , Dale Schuurmans , Radu Soricut

This paper aims at improving how machines can answer questions directly from text, with the focus of having models that can answer correctly multiple types of questions and from various types of texts, documents or even from large…

Computation and Language · Computer Science 2018-04-30 Martin Raison , Pierre-Emmanuel Mazaré , Rajarshi Das , Antoine Bordes

The conventional paradigm in neural question answering (QA) for narrative content is limited to a two-stage process: first, relevant text passages are retrieved and, subsequently, a neural network for machine comprehension extracts the…

Computation and Language · Computer Science 2019-08-13 Bernhard Kratzwald , Anna Eigenmann , Stefan Feuerriegel

In human perception and cognition, a fundamental operation that brains perform is interpretation: constructing coherent neural states from noisy, incomplete, and intrinsically ambiguous evidence. The problem of interpretation is well…

Machine Learning · Computer Science 2019-09-30 Michael Iuzzolino , Yoram Singer , Michael C. Mozer

The Transformer architecture has been well adopted as a dominant architecture in most sequence transduction tasks including automatic speech recognition (ASR), since its attention mechanism excels in capturing long-range dependencies. While…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-13 Jing Pan , Tao Lei , Kwangyoun Kim , Kyu Han , Shinji Watanabe

Neural networks are powerful and flexible models that work well for many difficult learning tasks in image, speech and natural language understanding. Despite their success, neural networks are still hard to design. In this paper, we use a…

Machine Learning · Computer Science 2017-02-16 Barret Zoph , Quoc V. Le

With the rising number of interconnected devices and sensors, modeling distributed sensor networks is of increasing interest. Recurrent neural networks (RNN) are considered particularly well suited for modeling sensory and streaming data.…

Machine Learning · Computer Science 2017-11-15 Stephan Baier , Sigurd Spieckermann , Volker Tresp

Transformer-based deep neural networks have achieved great success in various sequence applications due to their powerful ability to model long-range dependency. The key module of Transformer is self-attention (SA) which extracts features…

Artificial Intelligence · Computer Science 2023-01-31 Kyuhong Shim , Jungwook Choi , Wonyong Sung

Retrieval-augmented Generation (RAG) relies on effective retrieval capabilities, yet traditional sparse and dense retrievers inherently struggle with multi-hop retrieval scenarios. In this paper, we introduce GeAR, a system that advances…

Graph-based retrieval-augmented generation (RAG) methods, typically built on knowledge graphs (KGs) with binary relational facts, have shown promise in multi-hop open-domain QA. However, their rigid retrieval schemes and dense similarity…

Computation and Language · Computer Science 2026-02-17 Wen-Sheng Lien , Yu-Kai Chan , Hao-Lung Hsiao , Bo-Kai Ruan , Meng-Fen Chiang , Chien-An Chen , Yi-Ren Yeh , Hong-Han Shuai

Federated learning is a promising distributed machine learning paradigm that can effectively exploit large-scale data without exposing users' privacy. However, it may incur significant communication overhead, thereby potentially impairing…

Machine Learning · Computer Science 2024-08-07 Shiwei Li , Wenchao Xu , Haozhao Wang , Xing Tang , Yining Qi , Shijie Xu , Weihong Luo , Yuhua Li , Xiuqiang He , Ruixuan Li

Modern deep learning approaches have achieved groundbreaking performance in modeling and classifying sequential data. Specifically, attention networks constitute the state-of-the-art paradigm for capturing long temporal dynamics. This paper…

Computation and Language · Computer Science 2019-05-07 Harris Partaourides , Kostantinos Papadamou , Nicolas Kourtellis , Ilias Leontiadis , Sotirios Chatzis

The classical cascading pipeline of retrieve--rerank suffers from a bounded recall problem, stemming from limitations of the first-stage retriever. Most current approaches address the bounded recall problem by improving the first-stage…

Information Retrieval · Computer Science 2026-05-01 Mandeep Rathee , V Venktesh , Sean MacAvaney , Avishek Anand

Answering questions that require multi-hop reasoning at web-scale necessitates retrieving multiple evidence documents, one of which often has little lexical or semantic relationship to the question. This paper introduces a new graph-based…

Computation and Language · Computer Science 2020-02-17 Akari Asai , Kazuma Hashimoto , Hannaneh Hajishirzi , Richard Socher , Caiming Xiong

In this paper, we exploit the effective way to leverage contextual information to improve the speech dereverberation performance in real-world reverberant environments. We propose a temporal-contextual attention approach on the deep neural…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-27 Helin Wang , Bo Wu , Lianwu Chen , Meng Yu , Jianwei Yu , Yong Xu , Shi-Xiong Zhang , Chao Weng , Dan Su , Dong Yu

In recent years, face recognition systems have achieved exceptional success due to promising advances in deep learning architectures. However, they still fail to achieve expected accuracy when matching profile images against a gallery of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Moktari Mostofa , Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Nasser M. Nasrabadi

Graph-based Retrieval-Augmented Generation (RAG) systems leverage interconnected knowledge structures to capture complex relationships that flat retrieval struggles with, enabling multi-hop reasoning. Yet most existing graph-based methods…

We present a new layer in which dynamic (i.e.,input-dependent) Infinite Impulse Response (IIR) filters of order two are used to process the input sequence prior to applying conventional attention. The input is split into chunks, and the…

Machine Learning · Computer Science 2023-10-19 Shahar Lutati , Itamar Zimerman , Lior Wolf

Transformers provide a class of expressive architectures that are extremely effective for sequence modeling. However, the key limitation of transformers is their quadratic memory and time complexity $\mathcal{O}(L^2)$ with respect to the…

Machine Learning · Computer Science 2021-10-29 Hongyu Ren , Hanjun Dai , Zihang Dai , Mengjiao Yang , Jure Leskovec , Dale Schuurmans , Bo Dai

Transformers have achieved promising results on a variety of tasks. However, the quadratic complexity in self-attention computation has limited the applications, especially in low-resource settings and mobile or edge devices. Existing works…

Sound · Computer Science 2024-01-09 Wentao Zhu