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Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

计算与语言 · 计算机科学 2023-05-26 Francesco Fusco , Diego Antognini

The dominant text generation models compose the output by sequentially selecting words from a fixed vocabulary. In this paper, we formulate text generation as progressively copying text segments (e.g., words or phrases) from an existing…

计算与语言 · 计算机科学 2023-07-17 Tian Lan , Deng Cai , Yan Wang , Heyan Huang , Xian-Ling Mao

Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

计算与语言 · 计算机科学 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Creative visual concept generation often draws inspiration from specific concepts in a reference image to produce relevant outcomes. However, existing methods are typically constrained to single-aspect concept generation or are easily…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yangyang Li , Daqing Liu , Wu Liu , Allen He , Xinchen Liu , Yongdong Zhang , Guoqing Jin

Given comparative text, comparative relation extraction aims to extract two targets (\eg two cameras) in comparison and the aspect they are compared for (\eg image quality). The extracted comparative relations form the basis of further…

计算与语言 · 计算机科学 2024-06-28 Yequan Wang , Hengran Zhang , Aixin Sun , Xuying Meng

Concept-based explanations aims to fill the model interpretability gap for non-technical humans-in-the-loop. Previous work has focused on providing concepts for specific models (eg, neural networks) or data types (eg, images), and by either…

机器学习 · 计算机科学 2022-05-10 João Bento Sousa , Ricardo Moreira , Vladimir Balayan , Pedro Saleiro , Pedro Bizarro

When searching the web, it is often possible that there are too many results available for ambiguous queries. Text snippets, extracted from the retrieved pages, are an indicator of the pages' usefulness to the query intention and can be…

信息检索 · 计算机科学 2009-03-24 N. Zotos , P. Tzekou , G. Tsatsaronis , L. Kozanidis , S. Stamou , I. Varlamis

One of the most significant current challenges in large-scale online social networks, is to establish a concise and coherent method able to collect and summarize data. Sampling the content of an Online Social Network (OSN) plays an…

社会与信息网络 · 计算机科学 2015-07-07 C. A. Piña-García , Dongbing Gu

The World Wide Web caters to the needs of billions of users in heterogeneous groups. Each user accessing the World Wide Web might have his / her own specific interest and would expect the web to respond to the specific requirements. The…

信息检索 · 计算机科学 2017-11-22 K. S. Kuppusamy , G. Aghila

Data-Free Knowledge Distillation (DFKD) is a novel task that aims to train high-performance student models using only the pre-trained teacher network without original training data. Most of the existing DFKD methods rely heavily on…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yuzheng Wang , Zhaoyu Chen , Jie Zhang , Dingkang Yang , Zuhao Ge , Yang Liu , Siao Liu , Yunquan Sun , Wenqiang Zhang , Lizhe Qi

Open Information Extraction (Open IE) systems aim to obtain relation tuples with highly scalable extraction in portable across domain by identifying a variety of relation phrases and their arguments in arbitrary sentences. The first…

计算与语言 · 计算机科学 2016-07-12 Duc-Thuan Vo , Ebrahim Bagheri

Nowadays, a huge number of images are available. However, retrieving a required image for an ordinary user is a challenging task in computer vision systems. During the past two decades, many types of research have been introduced to improve…

多媒体 · 计算机科学 2020-01-30 Amir Vatani , Milad Taleby Ahvanooey , Mostafa Rahimi

Many interpretable AI approaches have been proposed to provide plausible explanations for a model's decision-making. However, configuring an explainable model that effectively communicates among computational modules has received less…

机器学习 · 计算机科学 2023-11-09 Jinyung Hong , Keun Hee Park , Theodore P. Pavlic

Many real systems have been modelled in terms of network concepts, and written texts are a particular example of information networks. In recent years, the use of network methods to analyze language has allowed the discovery of several…

计算与语言 · 计算机科学 2016-06-28 Henrique F. de Arruda , Luciano da F. Costa , Diego R. Amancio

We study the problem of generating abstractive summaries for opinionated text. We propose an attention-based neural network model that is able to absorb information from multiple text units to construct informative, concise, and fluent…

计算与语言 · 计算机科学 2016-06-10 Lu Wang , Wang Ling

Traditional approaches to extractive summarization rely heavily on human-engineered features. In this work we propose a data-driven approach based on neural networks and continuous sentence features. We develop a general framework for…

计算与语言 · 计算机科学 2016-07-04 Jianpeng Cheng , Mirella Lapata

Open information extraction (OIE) systems extract relations and their arguments from natural language text in an unsupervised manner. The resulting extractions are a valuable resource for downstream tasks such as knowledge base…

计算与语言 · 计算机科学 2019-04-30 Kiril Gashteovski , Sebastian Wanner , Sven Hertling , Samuel Broscheit , Rainer Gemulla

Aspect term extraction is one of the important subtasks in aspect-based sentiment analysis. Previous studies have shown that using dependency tree structure representation is promising for this task. However, most dependency tree structures…

计算与语言 · 计算机科学 2019-05-07 Huaishao Luo , Tianrui Li , Bing Liu , Bin Wang , Herwig Unger

Domain dependence and annotation subjectivity pose challenges for supervised keyword extraction. Based on the premises that second-order keyness patterns are existent at the community level and learnable from annotated keyword extraction…

信息检索 · 计算机科学 2024-09-30 Dongmei Zhou , Xuri Tang

Open Information Extraction (OIE) aims to extract objective structured knowledge from natural texts, which has attracted growing attention to build dedicated models with human experience. As the large language models (LLMs) have exhibited…

计算与语言 · 计算机科学 2023-10-17 Ji Qi , Kaixuan Ji , Xiaozhi Wang , Jifan Yu , Kaisheng Zeng , Lei Hou , Juanzi Li , Bin Xu