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Learning to rank is an important task that has been successfully deployed in many real-world information retrieval systems. Most existing methods compute relevance judgments of documents independently, without holistically considering the…

Information Retrieval · Computer Science 2020-05-11 Shuo Sun , Kevin Duh

The Transformer is a fully attention-based alternative to recurrent networks that has achieved state-of-the-art results across a range of NLP tasks. In this paper, we analyze the structure of attention in a Transformer language model, the…

Computation and Language · Computer Science 2019-06-20 Jesse Vig , Yonatan Belinkov

Query-focused meeting summarization (QFMS) aims to generate summaries from meeting transcripts in response to a given query. Previous works typically concatenate the query with meeting transcripts and implicitly model the query relevance…

Computation and Language · Computer Science 2023-06-02 Xingxian Liu , Bin Duan , Bo Xiao , Yajing Xu

Modern speech processing systems rely on self-attention. Unfortunately, token mixing with self-attention takes quadratic time in the length of the speech utterance, slowing down inference and training and increasing memory consumption.…

Computation and Language · Computer Science 2024-07-12 Titouan Parcollet , Rogier van Dalen , Shucong Zhang , Sourav Bhattacharya

While attention mechanisms have been proven to be effective in many NLP tasks, majority of them are data-driven. We propose a novel knowledge-attention encoder which incorporates prior knowledge from external lexical resources into deep…

Computation and Language · Computer Science 2020-03-05 Pengfei Li , Kezhi Mao , Xuefeng Yang , Qi Li

Deep learning models suffer from catastrophic forgetting when trained in an incremental learning setting. In this work, we propose a novel approach to address the task incremental learning problem, which involves training a model on new…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Pravendra Singh , Pratik Mazumder , Piyush Rai , Vinay P. Namboodiri

Word order difference between source and target languages is a major obstacle to cross-lingual transfer, especially in the dependency parsing task. Current works are mostly based on order-agnostic models or word reordering to mitigate this…

Computation and Language · Computer Science 2025-03-17 Zhuoran Li , Chunming Hu , Junfan Chen , Zhijun Chen , Richong Zhang

Natural language correction has the potential to help language learners improve their writing skills. While approaches with separate classifiers for different error types have high precision, they do not flexibly handle errors such as…

Computation and Language · Computer Science 2016-04-01 Ziang Xie , Anand Avati , Naveen Arivazhagan , Dan Jurafsky , Andrew Y. Ng

Query rewriting (QR) is an increasingly important technique to reduce customer friction caused by errors in a spoken language understanding pipeline, where the errors originate from various sources such as speech recognition errors,…

Computation and Language · Computer Science 2020-02-14 Zheng Chen , Xing Fan , Yuan Ling , Lambert Mathias , Chenlei Guo

Transformer-based pre-trained language models (PLMs) have dramatically improved the state of the art in NLP across many tasks. This has led to substantial interest in analyzing the syntactic knowledge PLMs learn. Previous approaches to this…

Computation and Language · Computer Science 2020-10-20 Bowen Li , Taeuk Kim , Reinald Kim Amplayo , Frank Keller

This paper explores the much discussed, possible explanatory link between attention weights (AW) in transformer models and predicted output. Contrary to intuition and early research on attention, more recent prior research has provided…

Computation and Language · Computer Science 2024-10-25 Omar Naim , Nicholas Asher

The success of Transformer-based Language Models (LMs) stems from their attention mechanism. While this mechanism has been extensively studied in explainability research, particularly through the attention values obtained during the forward…

Computation and Language · Computer Science 2024-12-24 Shahar Katz , Lior Wolf

Modeling the structure of coherent texts is a key NLP problem. The task of coherently organizing a given set of sentences has been commonly used to build and evaluate models that understand such structure. We propose an end-to-end…

Computation and Language · Computer Science 2017-12-25 Lajanugen Logeswaran , Honglak Lee , Dragomir Radev

We present a novel and effective technique for performing text coherence tasks while facilitating deeper insights into the data. Despite obtaining ever-increasing task performance, modern deep-learning approaches to NLP tasks often only…

Computation and Language · Computer Science 2019-08-09 Tanner Bohn , Yining Hu , Jinhang Zhang , Charles X. Ling

Recent years have seen remarkable progress of text generation in different contexts, such as the most common setting of generating text from scratch, and the emerging paradigm of retrieval-and-rewriting. Text infilling, which fills missing…

Computation and Language · Computer Science 2019-01-21 Wanrong Zhu , Zhiting Hu , Eric Xing

Transformers have achieved state-of-the-art results across multiple NLP tasks. However, the self-attention mechanism complexity scales quadratically with the sequence length, creating an obstacle for tasks involving long sequences, like in…

Computation and Language · Computer Science 2022-04-20 Belen Alastruey , Javier Ferrando , Gerard I. Gállego , Marta R. Costa-jussà

The phenomenon of ellipsis is prevalent in social conversations. Ellipsis increases the difficulty of a series of downstream language understanding tasks, such as dialog act prediction and semantic role labeling. We propose to resolve…

Computation and Language · Computer Science 2019-11-26 Xiyuan Zhang , Chengxi Li , Dian Yu , Samuel Davidson , Zhou Yu

Neural networks have excelled at many NLP tasks, but there remain open questions about the performance of pretrained distributed word representations and their interaction with weight initialization and other hyperparameters. We address…

Computation and Language · Computer Science 2017-10-06 Ignacio Cases , Minh-Thang Luong , Christopher Potts

We introduce eigenpruning, a method that removes singular values from weight matrices in an LLM to improve its performance in a particular task. This method is inspired by interpretability methods designed to automatically find subnetworks…

Machine Learning · Computer Science 2024-06-21 Tomás Vergara-Browne , Álvaro Soto , Akiko Aizawa

Multi-turn conversation understanding is a major challenge for building intelligent dialogue systems. This work focuses on retrieval-based response matching for multi-turn conversation whose related work simply concatenates the conversation…

Computation and Language · Computer Science 2018-11-07 Zhuosheng Zhang , Jiangtong Li , Pengfei Zhu , Hai Zhao , Gongshen Liu