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Our research integrates graph data with Large Language Models (LLMs), which, despite their advancements in various fields using large text corpora, face limitations in encoding entire graphs due to context size constraints. This paper…

计算与语言 · 计算机科学 2024-03-15 Debarati Das , Ishaan Gupta , Jaideep Srivastava , Dongyeop Kang

Abstractive text summarization is a challenging task, and one need to design a mechanism to effectively extract salient information from the source text and then generate a summary. A parsing process of the source text contains critical…

计算与语言 · 计算机科学 2020-03-19 Haiyang Xu , Yun Wang , Kun Han , Baochang Ma , Junwen Chen , Xiangang Li

In the past few years, neural abstractive text summarization with sequence-to-sequence (seq2seq) models have gained a lot of popularity. Many interesting techniques have been proposed to improve seq2seq models, making them capable of…

计算与语言 · 计算机科学 2020-09-22 Tian Shi , Yaser Keneshloo , Naren Ramakrishnan , Chandan K. Reddy

Current neural network-based methods to the problem of document summarisation struggle when applied to datasets containing large inputs. In this paper we propose a new approach to the challenge of content-selection when dealing with…

计算与语言 · 计算机科学 2025-05-07 Maciej Zembrzuski , Saad Mahamood

Topic modeling is a powerful technique to discover hidden topics and patterns within a collection of documents without prior knowledge. Traditional topic modeling and clustering-based techniques encounter challenges in capturing contextual…

计算与语言 · 计算机科学 2024-10-04 Melkamu Abay Mersha , Mesay Gemeda yigezu , Jugal Kalita

Steady progress has been made in abstractive summarization with attention-based sequence-to-sequence learning models. In this paper, we propose a new decoder where the output summary is generated by conditioning on both the input text and…

机器学习 · 计算机科学 2019-08-21 Melissa Ailem , Bowen Zhang , Fei Sha

Topic modeling has emerged as a dominant method for exploring large document collections. Recent approaches to topic modeling use large contextualized language models and variational autoencoders. In this paper, we propose a negative…

计算与语言 · 计算机科学 2023-03-28 Suman Adhya , Avishek Lahiri , Debarshi Kumar Sanyal , Partha Pratim Das

We present GTE, a general-purpose text embedding model trained with multi-stage contrastive learning. In line with recent advancements in unifying various NLP tasks into a single format, we train a unified text embedding model by employing…

计算与语言 · 计算机科学 2023-08-08 Zehan Li , Xin Zhang , Yanzhao Zhang , Dingkun Long , Pengjun Xie , Meishan Zhang

The rapid increase in unstructured data across various fields has made multi-document comprehension and summarization a critical task. Traditional approaches often fail to capture relevant context, maintain logical consistency, and extract…

计算与语言 · 计算机科学 2024-09-30 Aditi Godbole , Jabin Geevarghese George , Smita Shandilya

Traditional sequence-to-sequence (seq2seq) models and other variations of the attention-mechanism such as hierarchical attention have been applied to the text summarization problem. Though there is a hierarchy in the way humans use language…

机器学习 · 计算机科学 2019-11-04 Rajeev Bhatt Ambati , Saptarashmi Bandyopadhyay , Prasenjit Mitra

To overcome the data sparsity issue in short text topic modeling, existing methods commonly rely on data augmentation or the data characteristic of short texts to introduce more word co-occurrence information. However, most of them do not…

计算与语言 · 计算机科学 2022-11-24 Xiaobao Wu , Anh Tuan Luu , Xinshuai Dong

Topic models have been widely used in discovering latent topics which are shared across documents in text mining. Vector representations, word embeddings and topic embeddings, map words and topics into a low-dimensional and dense real-value…

计算与语言 · 计算机科学 2017-02-24 Jarvan Law , Hankz Hankui Zhuo , Junhua He , Erhu Rong

Text summarization is a fundamental task in natural language processing that aims to condense large amounts of textual information into concise and coherent summaries. With the exponential growth of content and the need to extract key…

计算与语言 · 计算机科学 2023-06-26 Öykü Berfin Mercan , Sena Nur Cavsak , Aysu Deliahmetoglu , Senem Tanberk

In the past few decades, there has been an explosion in the amount of available data produced from various sources with different topics. The availability of this enormous data necessitates us to adopt effective computational tools to…

计算与语言 · 计算机科学 2022-12-20 Mina Samizadeh

Large Language Models (LLMs) have shown remarkable capabilities in processing various data structures, including graphs. While previous research has focused on developing textual encoding methods for graph representation, the emergence of…

机器学习 · 计算机科学 2024-09-16 Zhiqiang Zhong , Davide Mottin

To capture the semantic graph structure from raw text, most existing summarization approaches are built on GNNs with a pre-trained model. However, these methods suffer from cumbersome procedures and inefficient computations for long-text…

计算与语言 · 计算机科学 2021-10-22 Ye Liu , Jian-Guo Zhang , Yao Wan , Congying Xia , Lifang He , Philip S. Yu

Abstractive dialogue summarization has long been viewed as an important standalone task in natural language processing, but no previous work has explored the possibility of whether abstractive dialogue summarization can also be used as a…

计算与语言 · 计算机科学 2022-12-27 Borui Wang , Chengcheng Feng , Arjun Nair , Madelyn Mao , Jai Desai , Asli Celikyilmaz , Haoran Li , Yashar Mehdad , Dragomir Radev

Temporal Knowledge graph completion (TKGC) is a crucial task that involves reasoning at known timestamps to complete the missing part of facts and has attracted more and more attention in recent years. Most existing methods focus on…

计算与语言 · 计算机科学 2024-03-05 Wenjie Xu , Ben Liu , Miao Peng , Xu Jia , Min Peng

Though achieving impressive results on many NLP tasks, the BERT-like masked language models (MLM) encounter the discrepancy between pre-training and inference. In light of this gap, we investigate the contextual representation of…

计算与语言 · 计算机科学 2022-05-16 Yu Lin , Zhecheng An , Peihao Wu , Zejun Ma

The integration of Large Language Models (LLMs) with Graph Representation Learning (GRL) marks a significant evolution in analyzing complex data structures. This collaboration harnesses the sophisticated linguistic capabilities of LLMs to…

机器学习 · 计算机科学 2024-02-12 Qiheng Mao , Zemin Liu , Chenghao Liu , Zhuo Li , Jianling Sun