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This paper explores the impact of context selection on the efficiency of Large Language Models (LLMs) in generating Artificial Intelligence (AI) research leaderboards, a task defined as the extraction of (Task, Dataset, Metric, Score)…

Computation and Language · Computer Science 2024-07-03 Salomon Kabongo , Jennifer D'Souza , Sören Auer

The recent advance in neural network architecture and training algorithms have shown the effectiveness of representation learning. The neural network-based models generate better representation than the traditional ones. They have the…

Computation and Language · Computer Science 2018-05-29 Kamal Al-Sabahi , Zhang Zuping , Mohammed Nadher

Retrieval-augmented generation supports language models to strengthen their factual groundings by providing external contexts. However, language models often face challenges when given extensive information, diminishing their effectiveness…

Computation and Language · Computer Science 2024-10-15 Chanwoong Yoon , Taewhoo Lee , Hyeon Hwang , Minbyul Jeong , Jaewoo Kang

This paper delves into the challenging task of Active Speaker Detection (ASD), where the system needs to determine in real-time whether a person is speaking or not in a series of video frames. While previous works have made significant…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Arnav Kundu , Yanzi Jin , Mohammad Sekhavat , Max Horton , Danny Tormoen , Devang Naik

Large Language Models (LLMs) often experience performance degradation during long-running interactions due to increasing context length, memory saturation, and computational overhead. This paper presents an adaptive context compression…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Payal Fofadiya , Sunil Tiwari

We present Twin Answer Sentences Attack (TASA), an adversarial attack method for question answering (QA) models that produces fluent and grammatical adversarial contexts while maintaining gold answers. Despite phenomenal progress on general…

Computation and Language · Computer Science 2022-10-28 Yu Cao , Dianqi Li , Meng Fang , Tianyi Zhou , Jun Gao , Yibing Zhan , Dacheng Tao

Sequence-to-Sequence (S2S) models have achieved remarkable success on various text generation tasks. However, learning complex structures with S2S models remains challenging as external neural modules and additional lexicons are often…

Computation and Language · Computer Science 2023-02-07 Han He , Jinho D. Choi

In this work we propose a simple and efficient framework for learning sentence representations from unlabelled data. Drawing inspiration from the distributional hypothesis and recent work on learning sentence representations, we reformulate…

Computation and Language · Computer Science 2018-03-09 Lajanugen Logeswaran , Honglak Lee

Ever since the successful application of sequence to sequence learning for neural machine translation systems, interest has surged in its applicability towards language generation in other problem domains. Recent work has investigated the…

Computation and Language · Computer Science 2017-10-31 Sharath T. S. , Shubhangi Tandon , Ryan Bauer

Semantic parsing using sequence-to-sequence models allows parsing of deeper representations compared to traditional word tagging based models. In spite of these advantages, widespread adoption of these models for real-time conversational…

Computation and Language · Computer Science 2021-04-13 Arun Babu , Akshat Shrivastava , Armen Aghajanyan , Ahmed Aly , Angela Fan , Marjan Ghazvininejad

Topic segmentation is important in understanding scientific documents since it can not only provide better readability but also facilitate downstream tasks such as information retrieval and question answering by creating appropriate…

Computation and Language · Computer Science 2023-01-06 Jeonghwan Lee , Jiyeong Han , Sunghoon Baek , Min Song

We explore context representation learning methods in neural-based models for dialog act classification. We propose and compare extensively different methods which combine recurrent neural network architectures and attention mechanisms…

Computation and Language · Computer Science 2017-08-09 Daniel Ortega , Ngoc Thang Vu

Answer sentence selection (AS2) modeling requires annotated data, i.e., hand-labeled question-answer pairs. We present a strategy to collect weakly supervised answers for a question based on its reference to improve AS2 modeling.…

Computation and Language · Computer Science 2021-04-20 Vivek Krishnamurthy , Thuy Vu , Alessandro Moschitti

Second language acquisition (SLA) modeling is to predict whether second language learners could correctly answer the questions according to what they have learned. It is a fundamental building block of the personalized learning system and…

Computation and Language · Computer Science 2020-09-01 Yong Hu , Heyan Huang , Tian Lan , Xiaochi Wei , Yuxiang Nie , Jiarui Qi , Liner Yang , Xian-Ling Mao

Retrieval-augmented generation (RAG) and long-context language models (LCLMs) both address context limitations of LLMs in open-domain question answering (QA). However, optimal external context to retrieve remains an open problem: fixing the…

Computation and Language · Computer Science 2025-10-01 Chihiro Taguchi , Seiji Maekawa , Nikita Bhutani

This paper addresses the limitations of large language models in understanding long-term context. It proposes a model architecture equipped with a long-term memory mechanism to improve the retention and retrieval of semantic information…

Computation and Language · Computer Science 2025-05-30 Yue Xing , Tao Yang , Yijiashun Qi , Minggu Wei , Yu Cheng , Honghui Xin

This thesis tackles the problem of learning efficient representations of complex, structured data with a natural application to web page and element classification. We hypothesise that the context around the element inside the web page is…

Machine Learning · Computer Science 2021-11-09 Cedric Cook

End-to-end modeling (E2E) of automatic speech recognition (ASR) blends all the components of a traditional speech recognition system into a unified model. Although it simplifies training and decoding pipelines, the unified model is hard to…

Computation and Language · Computer Science 2018-12-06 Zhehuai Chen , Mahaveer Jain , Yongqiang Wang , Michael L. Seltzer , Christian Fuegen

We propose a new architecture for adapting a sentence-level sequence-to-sequence transformer by incorporating multiple pretrained document context signals and assess the impact on translation performance of (1) different pretraining…

Computation and Language · Computer Science 2021-08-02 Domenic Donato , Lei Yu , Chris Dyer

End-to-end (E2E) systems for automatic speech recognition (ASR), such as RNN Transducer (RNN-T) and Listen-Attend-Spell (LAS) blend the individual components of a traditional hybrid ASR system - acoustic model, language model, pronunciation…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Mahaveer Jain , Gil Keren , Jay Mahadeokar , Geoffrey Zweig , Florian Metze , Yatharth Saraf