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Session-based recommendation systems suggest relevant items to users by modeling user behavior and preferences using short-term anonymous sessions. Existing methods leverage Graph Neural Networks (GNNs) that propagate and aggregate…

Information Retrieval · Computer Science 2022-01-10 Sai Mitheran , Abhinav Java , Surya Kant Sahu , Arshad Shaikh

The dominant approaches for named entity recognition (NER) mostly adopt complex recurrent neural networks (RNN), e.g., long-short-term-memory (LSTM). However, RNNs are limited by their recurrent nature in terms of computational efficiency.…

Computation and Language · Computer Science 2019-07-22 Hui Chen , Zijia Lin , Guiguang Ding , Jianguang Lou , Yusen Zhang , Borje Karlsson

Taking an answer and its context as input, sequence-to-sequence models have made considerable progress on question generation. However, we observe that these approaches often generate wrong question words or keywords and copy…

Computation and Language · Computer Science 2020-02-04 Xiyao Ma , Qile Zhu , Yanlin Zhou , Xiaolin Li , Dapeng Wu

Intelligent personal assistant systems that are able to have multi-turn conversations with human users are becoming increasingly popular. Most previous research has been focused on using either retrieval-based or generation-based methods to…

Information Retrieval · Computer Science 2019-08-27 Liu Yang , Junjie Hu , Minghui Qiu , Chen Qu , Jianfeng Gao , W. Bruce Croft , Xiaodong Liu , Yelong Shen , Jingjing Liu

Understanding open-domain text is one of the primary challenges in natural language processing (NLP). Machine comprehension benchmarks evaluate the system's ability to understand text based on the text content only. In this work, we…

Computation and Language · Computer Science 2016-02-16 Wenpeng Yin , Sebastian Ebert , Hinrich Schütze

In this paper we explore deep learning models with memory component or attention mechanism for question answering task. We combine and compare three models, Neural Machine Translation, Neural Turing Machine, and Memory Networks for a…

Computation and Language · Computer Science 2015-11-23 Yang Yu , Wei Zhang , Chung-Wei Hang , Bing Xiang , Bowen Zhou

We propose a query-based generative model for solving both tasks of question generation (QG) and question an- swering (QA). The model follows the classic encoder- decoder framework. The encoder takes a passage and a query as input then…

Computation and Language · Computer Science 2018-08-29 Linfeng Song , Zhiguo Wang , Wael Hamza

Deep learning underpins most of the currently advanced natural language processing (NLP) tasks such as textual classification, neural machine translation (NMT), abstractive summarization and question-answering (QA). However, the robustness…

Computation and Language · Computer Science 2024-11-14 Jiyao Li , Mingze Ni , Yongshun Gong , Wei Liu

Whereas deep neural networks were first mostly used for classification tasks, they are rapidly expanding in the realm of structured output problems, where the observed target is composed of multiple random variables that have a rich joint…

Neural and Evolutionary Computing · Computer Science 2016-11-15 Kyunghyun Cho , Aaron Courville , Yoshua Bengio

Question Answering (QA) has been a long-standing research topic in AI and NLP fields, and a wealth of studies have been conducted to attempt to equip QA systems with human-level reasoning capability. To approximate the complicated human…

Artificial Intelligence · Computer Science 2021-10-08 Kuan Wang , Yuyu Zhang , Diyi Yang , Le Song , Tao Qin

The pre-dominant approach to language modeling to date is based on recurrent neural networks. Their success on this task is often linked to their ability to capture unbounded context. In this paper we develop a finite context approach…

Computation and Language · Computer Science 2017-09-12 Yann N. Dauphin , Angela Fan , Michael Auli , David Grangier

Community Question Answering is the field of computational linguistics that deals with problems derived from the questions and answers posted to websites such as Quora or Stack Overflow. Among some of these problems we find the issue of…

Computation and Language · Computer Science 2022-12-05 Lucas Valentin

Recent work on Event Extraction has reframed the task as Question Answering (QA), with promising results. The advantage of this approach is that it addresses the error propagation issue found in traditional token-based classification…

Computation and Language · Computer Science 2023-07-13 Di Lu , Shihao Ran , Joel Tetreault , Alejandro Jaimes

Self-attention is a method of encoding sequences of vectors by relating these vectors to each-other based on pairwise similarities. These models have recently shown promising results for modeling discrete sequences, but they are non-trivial…

Computation and Language · Computer Science 2018-06-19 Matthias Sperber , Jan Niehues , Graham Neubig , Sebastian Stüker , Alex Waibel

Retrieval-Augmented Generation (RAG), by incorporating external knowledge with parametric memory of language models, has become the state-of-the-art architecture for open-domain QA tasks. However, common knowledge bases are inherently…

Computation and Language · Computer Science 2023-12-01 Zhebin Zhang , Xinyu Zhang , Yuanhang Ren , Saijiang Shi , Meng Han , Yongkang Wu , Ruofei Lai , Zhao Cao

Many real-world applications involve multivariate, geo-tagged time series data: at each location, multiple sensors record corresponding measurements. For example, air quality monitoring system records PM2.5, CO, etc. The resulting…

Machine Learning · Computer Science 2019-08-06 Jiawei Ma , Zheng Shou , Alireza Zareian , Hassan Mansour , Anthony Vetro , Shih-Fu Chang

This paper presents an end-to-end neural network model, named Neural Generative Question Answering (GENQA), that can generate answers to simple factoid questions, based on the facts in a knowledge-base. More specifically, the model is built…

Computation and Language · Computer Science 2016-04-25 Jun Yin , Xin Jiang , Zhengdong Lu , Lifeng Shang , Hang Li , Xiaoming Li

Pre-trained Generative models such as BART, T5, etc. have gained prominence as a preferred method for text generation in various natural language processing tasks, including abstractive long-form question answering (QA) and summarization.…

Computation and Language · Computer Science 2023-11-07 Prabir Mallick , Tapas Nayak , Indrajit Bhattacharya

Multi-hop QA (Question Answering) is the task of finding the answer to a question across multiple documents. In recent years, a number of Deep Learning-based approaches have been proposed to tackle this complex task, as well as a few…

Computation and Language · Computer Science 2023-01-30 Yunjie He , Philip John Gorinski , Ieva Staliunaite , Pontus Stenetorp

Password guessing approaches via deep learning have recently been investigated with significant breakthroughs in their ability to generate novel, realistic password candidates. In the present work we study a broad collection of deep…

Machine Learning · Computer Science 2020-12-18 David Biesner , Kostadin Cvejoski , Bogdan Georgiev , Rafet Sifa , Erik Krupicka
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