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When trained on language data, do transformers learn some arbitrary computation that utilizes the full capacity of the architecture or do they learn a simpler, tree-like computation, hypothesized to underlie compositional meaning systems…

计算与语言 · 计算机科学 2022-11-07 Shikhar Murty , Pratyusha Sharma , Jacob Andreas , Christopher D. Manning

Object detection is an important part in the field of computer vision, and the effect of object detection is directly determined by the regression accuracy of the prediction box. As the key to model training, IoU (Intersection over Union)…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Xiangjie Luo , Zhihao Cai , Bo Shao , Yingxun Wang

Information extraction suffers from its varying targets, heterogeneous structures, and demand-specific schemas. In this paper, we propose a unified text-to-structure generation framework, namely UIE, which can universally model different IE…

计算与语言 · 计算机科学 2022-03-24 Yaojie Lu , Qing Liu , Dai Dai , Xinyan Xiao , Hongyu Lin , Xianpei Han , Le Sun , Hua Wu

Recent advancements in pre-trained language models (PLMs) have demonstrated that these models possess some degree of syntactic awareness. To leverage this knowledge, we propose a novel chart-based method for extracting parse trees from…

计算与语言 · 计算机科学 2023-06-02 Jiaxi Li , Wei Lu

We present a method that "meta" classifies whether seg-ments predicted by a semantic segmentation neural networkintersect with the ground truth. For this purpose, we employ measures of dispersion for predicted pixel-wise class probability…

计算机视觉与模式识别 · 计算机科学 2019-10-03 Matthias Rottmann , Pascal Colling , Thomas-Paul Hack , Robin Chan , Fabian Hüger , Peter Schlicht , Hanno Gottschalk

Syntactic structure of a sentence text is correlated with the prosodic structure of the speech that is crucial for improving the prosody and naturalness of a text-to-speech (TTS) system. Nowadays TTS systems usually try to incorporate…

计算与语言 · 计算机科学 2020-12-15 Changhe Song , Jingbei Li , Yixuan Zhou , Zhiyong Wu , Helen Meng

The Uniform Information Density (UID) hypothesis posits that speakers tend to distribute information evenly across linguistic units to achieve efficient communication. Of course, information rate in texts and discourses is not perfectly…

计算与语言 · 计算机科学 2024-10-22 Eleftheria Tsipidi , Franz Nowak , Ryan Cotterell , Ethan Wilcox , Mario Giulianelli , Alex Warstadt

Accurate pedestrian classification and localization have received considerable attention due to their wide applications such as security monitoring, autonomous driving, etc. Although pedestrian detectors have made great progress in recent…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Yan Luo , Chongyang Zhang , Muming Zhao , Hao Zhou , Jun Sun

In context-aware trust evaluation, using ontology tree is a popular approach to represent the relation between contexts. Usually, similarity between two contexts is computed using these trees. Therefore, the performance of trust evaluation…

其他计算机科学 · 计算机科学 2014-04-18 Mohsen Raeesi , Mohammad Amin Morid , Mehdi Shajari

Many common sequential data sources, such as source code and natural language, have a natural tree-structured representation. These trees can be generated by fitting a sequence to a grammar, yielding a hierarchical ordering of the tokens in…

机器学习 · 计算机科学 2019-08-02 Jacob Harer , Chris Reale , Peter Chin

We introduce a generic seq2seq parsing framework that casts constituency parsing problems (syntactic and discourse parsing) into a series of conditional splitting decisions. Our parsing model estimates the conditional probability…

计算与语言 · 计算机科学 2021-07-01 Thanh-Tung Nguyen , Xuan-Phi Nguyen , Shafiq Joty , Xiaoli Li

Large-scale content analysis is increasingly limited by the absence of observable ground truth or gold-standard labels, as creating such benchmarks through extensive human coding becomes impractical for massive datasets due to high time,…

计算与语言 · 计算机科学 2026-03-09 Luis de-Marcos , Manuel Goyanes , Adrián Domínguez-Díaz

We review the task of Sentence Pair Scoring, popular in the literature in various forms - viewed as Answer Sentence Selection, Semantic Text Scoring, Next Utterance Ranking, Recognizing Textual Entailment, Paraphrasing or e.g. a component…

计算与语言 · 计算机科学 2016-05-18 Petr Baudiš , Jan Pichl , Tomáš Vyskočil , Jan Šedivý

We propose a benchmark for evaluating compositionality in audio representations. Audio compositionality refers to representing sound scenes in terms of constituent sources and attributes, and combining them systematically. While central to…

声音 · 计算机科学 2026-03-17 Chuyang Chen , Bea Steers , Brian McFee , Juan Bello

This work revisits the topic of jointly parsing constituency and dependency trees, i.e., to produce compatible constituency and dependency trees simultaneously for input sentences, which is attractive considering that the two types of trees…

计算与语言 · 计算机科学 2024-03-27 Yanggan Gu , Yang Hou , Zhefeng Wang , Xinyu Duan , Zhenghua Li

We study the problem of using (partial) constituency parse trees as syntactic guidance for controlled text generation. Existing approaches to this problem use recurrent structures, which not only suffer from the long-term dependency problem…

计算与语言 · 计算机科学 2020-10-06 Yinghao Li , Rui Feng , Isaac Rehg , Chao Zhang

Conversational recommender systems (CRS) aim to timely trace the dynamic interests of users through dialogues and generate relevant responses for item recommendations. Recently, various external knowledge bases (especially knowledge graphs)…

人工智能 · 计算机科学 2023-07-21 Wendi Li , Wei Wei , Xiaoye Qu , Xian-Ling Mao , Ye Yuan , Wenfeng Xie , Dangyang Chen

Discourse structure is the hidden link between surface features and document-level properties, such as sentiment polarity. We show that the discourse analyses produced by Rhetorical Structure Theory (RST) parsers can improve document-level…

计算与语言 · 计算机科学 2015-09-14 Parminder Bhatia , Yangfeng Ji , Jacob Eisenstein

We propose a novel architecture for Graph Neural Networks that is inspired by the idea behind Tree Kernels of measuring similarity between trees by taking into account their common substructures, named fragments. By imposing a series of…

计算与语言 · 计算机科学 2021-10-04 Federico Ruggeri , Marco Lippi , Paolo Torroni

We introduce a novel top-down end-to-end formulation of document-level discourse parsing in the Rhetorical Structure Theory (RST) framework. In this formulation, we consider discourse parsing as a sequence of splitting decisions at token…

计算与语言 · 计算机科学 2021-05-25 Thanh-Tung Nguyen , Xuan-Phi Nguyen , Shafiq Joty , Xiaoli Li