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In-context learning (ICL) capabilities are foundational to the success of large language models (LLMs). Recently, context compression has attracted growing interest since it can largely reduce reasoning complexities and computation costs of…

Computation and Language · Computer Science 2024-08-02 Wenshan Wang , Yihang Wang , Yixing Fan , Huaming Liao , Jiafeng Guo

Language models significantly benefit from context tokens, such as prompts or scratchpads. They perform better when prompted with informative instructions, and they acquire new reasoning capabilities by generating a scratch-pad before…

Computation and Language · Computer Science 2022-10-03 Charlie Snell , Dan Klein , Ruiqi Zhong

The remarkable capability of large language models (LLMs) for in-context learning (ICL) needs to be activated by demonstration examples. Prior work has extensively explored the selection of examples for ICL, predominantly following the…

Computation and Language · Computer Science 2024-06-07 Haoyu Liu , Jianfeng Liu , Shaohan Huang , Yuefeng Zhan , Hao Sun , Weiwei Deng , Furu Wei , Qi Zhang

Large Language Models (LLMs) have garnered widespread attention due to their remarkable performance across various tasks. However, to mitigate the issue of hallucinations, LLMs often incorporate retrieval-augmented pipeline to provide them…

Computation and Language · Computer Science 2024-08-29 Haowen Hou , Fei Ma , Binwen Bai , Xinxin Zhu , Fei Yu

Improving the representation of contextual information is key to unlocking the potential of end-to-end (E2E) automatic speech recognition (ASR). In this work, we present a novel and simple approach for training an ASR context mechanism with…

Audio and Speech Processing · Electrical Eng. & Systems 2018-10-30 Uri Alon , Golan Pundak , Tara N. Sainath

Knowledge-grounded dialogue systems aim to generate coherent and engaging responses based on the dialogue contexts and selected external knowledge. Previous knowledge selection methods tend to rely too heavily on the dialogue contexts or…

Computation and Language · Computer Science 2024-03-05 Lin Xu , Qixian Zhou , Jinlan Fu , See-Kiong Ng

Context cues carry information which can improve multi-turn interactions in automatic speech recognition (ASR) systems. In this paper, we introduce a novel mechanism inspired by hyper-prompting to fuse textual context with acoustic…

Computation and Language · Computer Science 2024-01-17 Sergio Duarte-Torres , Arunasish Sen , Aman Rana , Lukas Drude , Alejandro Gomez-Alanis , Andreas Schwarz , Leif Rädel , Volker Leutnant

A fundamental trade-off between effectiveness and efficiency needs to be balanced when designing an online question answering system. Effectiveness comes from sophisticated functions such as extractive machine reading comprehension (MRC),…

Computation and Language · Computer Science 2019-08-14 Ming Yan , Jiangnan Xia , Chen Wu , Bin Bi , Zhongzhou Zhao , Ji Zhang , Luo Si , Rui Wang , Wei Wang , Haiqing Chen

We propose a novel method for applying Transformer models to extractive question answering (QA) tasks. Recently, pretrained generative sequence-to-sequence (seq2seq) models have achieved great success in question answering. Contributing to…

Computation and Language · Computer Science 2021-10-14 Peng Xu , Davis Liang , Zhiheng Huang , Bing Xiang

Generative Large Language Models enable efficient analytics across knowledge domains, rivalling human experts in information comparisons. However, the applications of LLMs for information comparisons face scalability challenges due to the…

Computation and Language · Computer Science 2024-09-20 Truman Yuen , Graham A. Watt , Yuri Lawryshyn

While impressive performance has been achieved on the task of Answer Sentence Selection (AS2) for English, the same does not hold for languages that lack large labeled datasets. In this work, we propose Cross-Lingual Knowledge Distillation…

Computation and Language · Computer Science 2025-01-06 Shivanshu Gupta , Yoshitomo Matsubara , Ankit Chadha , Alessandro Moschitti

Many real-world tasks require language models (LMs) to reason over complex contexts that exceed their parametric knowledge. This calls for context learning, where LMs directly learn relevant knowledge from the given context. An intuitive…

Algorithm selection (AS) deals with the automatic selection of an algorithm from a fixed set of candidate algorithms most suitable for a specific instance of an algorithmic problem class, where "suitability" often refers to an algorithm's…

Machine Learning · Computer Science 2020-07-13 Alexander Tornede , Marcel Wever , Stefan Werner , Felix Mohr , Eyke Hüllermeier

Redundancy-aware extractive summarization systems score the redundancy of the sentences to be included in a summary either jointly with their salience information or separately as an additional sentence scoring step. Previous work shows the…

Computation and Language · Computer Science 2021-04-06 Keping Bi , Rahul Jha , W. Bruce Croft , Asli Celikyilmaz

We present an empirical study of adapting an existing pretrained text-to-text model for long-sequence inputs. Through a comprehensive study along three axes of the pretraining pipeline -- model architecture, optimization objective, and…

Computation and Language · Computer Science 2022-11-17 Wenhan Xiong , Anchit Gupta , Shubham Toshniwal , Yashar Mehdad , Wen-tau Yih

Automated Short Answer Scoring (SAS) is the task of automatically scoring a given input to a prompt based on rubrics and reference answers. Although SAS is useful in real-world applications, both rubrics and reference answers differ between…

Computation and Language · Computer Science 2024-08-27 Hiroaki Funayama , Yuya Asazuma , Yuichiroh Matsubayashi , Tomoya Mizumoto , Kentaro Inui

The ability of generative large language models (LLMs) to perform in-context learning has given rise to a large body of research into how best to prompt models for various natural language processing tasks. In this paper, we focus on…

Computation and Language · Computer Science 2024-08-02 Armel Zebaze , Benoît Sagot , Rachel Bawden

In recent years, all-neural, end-to-end (E2E) ASR systems gained rapid interest in the speech recognition community. They convert speech input to text units in a single trainable Neural Network model. In ASR, many utterances contain rich…

Computation and Language · Computer Science 2020-08-11 Rongqing Huang , Ossama Abdel-hamid , Xinwei Li , Gunnar Evermann

Task-oriented dialogue focuses on conversational agents that participate in user-initiated dialogues on domain-specific topics. In contrast to chatbots, which simply seek to sustain open-ended meaningful discourse, existing task-oriented…

Computation and Language · Computer Science 2017-08-16 Mihail Eric , Christopher D. Manning

While composing a new document, anything from a news article to an email or essay, authors often utilize direct quotes from a variety of sources. Although an author may know what point they would like to make, selecting an appropriate quote…

Computation and Language · Computer Science 2020-08-20 Ansel MacLaughlin , Tao Chen , Burcu Karagol Ayan , Dan Roth