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A robust summarization system should be able to capture the gist of the document, regardless of the specific word choices or noise in the input. In this work, we first explore the summarization models' robustness against perturbations…

计算与语言 · 计算机科学 2023-06-05 Xiuying Chen , Guodong Long , Chongyang Tao , Mingzhe Li , Xin Gao , Chengqi Zhang , Xiangliang Zhang

Retrieval-augmented language models pose a promising alternative to standard language modeling. During pretraining, these models search in a corpus of documents for contextually relevant information that could aid the language modeling…

计算与语言 · 计算机科学 2024-04-18 David Samuel , Lucas Georges Gabriel Charpentier , Sondre Wold

In this paper we summarized a framework for designing grammar-based procedure for the automatic extraction of the semantic content from spoken queries. Starting with a case study and following an approach which combines the notions of…

计算与语言 · 计算机科学 2007-05-23 Afzal Ballim , Vincenzo Pallotta

Bayesian hierarchical models are used to share information between related samples and obtain more accurate estimates of sample-level parameters, common structure, and variation between samples. When the parameter of interest is the…

统计方法学 · 统计学 2019-06-18 Jonathan Christensen , Li Ma

Current disfluency detection methods heavily rely on costly and scarce human-annotated data. To tackle this issue, some approaches employ heuristic or statistical features to generate disfluent sentences, partially improving detection…

计算与语言 · 计算机科学 2024-08-07 Zhenrong Cheng , Jiayan Guo , Hao Sun , Yan Zhang

Although fully generative models have been successfully used to model the contents of text documents, they are often awkward to apply to combinations of text data and document metadata. In this paper we propose a Dirichlet-multinomial…

信息检索 · 计算机科学 2012-06-18 David Mimno , Andrew McCallum

We study whether automatically-induced prompts that effectively extract information from a language model can also be used, out-of-the-box, to probe other language models for the same information. After confirming that discrete prompts…

计算与语言 · 计算机科学 2023-03-08 Nathanaël Carraz Rakotonirina , Roberto Dessì , Fabio Petroni , Sebastian Riedel , Marco Baroni

Large language models (LLMs) are incredible and versatile tools for text-based tasks that have enabled countless, previously unimaginable, applications. Retrieval models, in contrast, have not yet seen such capable general-purpose models…

信息检索 · 计算机科学 2025-09-10 Julian Killingback , Hamed Zamani

Large language models (LLMs) demonstrate remarkable ability to comprehend, reason, and generate following nature language instructions. However, the development of LLMs has been primarily focused on high-resource languages, such as English,…

Artificial intelligence (AI) has achieved human-level performance in specialized tasks such as Go, image recognition, and protein folding, raising the prospect of an AI singularity-where machines not only match but surpass human reasoning.…

流体动力学 · 物理学 2025-12-30 Zhongxin Yang , Yuanwei Bin , Yipeng Shi , Xiang I. A. Yang

A reverse dictionary takes the description of a target word as input and outputs the target word together with other words that match the description. Existing reverse dictionary methods cannot deal with highly variable input queries and…

计算与语言 · 计算机科学 2019-12-20 Lei Zhang , Fanchao Qi , Zhiyuan Liu , Yasheng Wang , Qun Liu , Maosong Sun

Pre-trained language models have been widely exploited to learn dense representations of documents and queries for information retrieval. While previous efforts have primarily focused on improving effectiveness and user satisfaction,…

信息检索 · 计算机科学 2025-05-01 Cristina Ioana Muntean , Franco Maria Nardini , Raffaele Perego , Guido Rocchietti , Cosimo Rulli

Verifiable generation aims to let the large language model (LLM) generate text with supporting documents, which enables the user to flexibly verify the answer and makes the LLM's output more reliable. Retrieval plays a crucial role in…

计算与语言 · 计算机科学 2024-03-28 Xiaonan Li , Changtai Zhu , Linyang Li , Zhangyue Yin , Tianxiang Sun , Xipeng Qiu

Disfluency, though originating from human spoken utterances, is primarily studied as a uni-modal text-based Natural Language Processing (NLP) task. Based on early-fusion and self-attention-based multimodal interaction between text and…

计算与语言 · 计算机科学 2022-11-29 Sreyan Ghosh , Utkarsh Tyagi , Sonal Kumar , Manan Suri , Rajiv Ratn Shah

Keyphrase extraction is the task of extracting a small set of phrases that best describe a document. Most existing benchmark datasets for the task typically have limited numbers of annotated documents, making it challenging to train…

计算与语言 · 计算机科学 2020-10-26 Tuan Manh Lai , Trung Bui , Doo Soon Kim , Quan Hung Tran

Large language models (LLMs) have grown in their usage to provide support for question answering across numerous disciplines. The models on their own have already shown promise for answering basic questions, however fail quickly where…

信息检索 · 计算机科学 2025-04-15 David Brett , Anniek Myatt

Humans ponder before articulating complex sentence elements, enabling deeper cognitive processing through focused effort. In this work, we introduce this pondering process into language models by repeatedly invoking the forward process…

计算与语言 · 计算机科学 2026-02-23 Boyi Zeng , Shixiang Song , Siyuan Huang , Yixuan Wang , He Li , Ziwei He , Xinbing Wang , Zhiyu Li , Zhouhan Lin

Context information around words helps in determining their actual meaning, for example "networks" used in contexts of artificial neural networks or biological neuron networks. Generative topic models infer topic-word distributions, taking…

信息检索 · 计算机科学 2018-08-14 Pankaj Gupta , Florian Buettner , Hinrich Schütze

Topic models, such as latent Dirichlet allocation (LDA), can be useful tools for the statistical analysis of document collections and other discrete data. The LDA model assumes that the words of each document arise from a mixture of topics,…

应用统计 · 统计学 2009-09-29 David M. Blei , John D. Lafferty

Retrieval-augmented generation framework can address the limitations of large language models by enabling real-time knowledge updates for more accurate answers. An efficient way in the training phase of retrieval-augmented models is…

计算与语言 · 计算机科学 2024-02-20 Zizhong Li , Haopeng Zhang , Jiawei Zhang
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