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Higher-order methods for dependency parsing can partially but not fully address the issue that edges in dependency trees should be constructed at the text span/subtree level rather than word level. In this paper, we propose a new method for…

Computation and Language · Computer Science 2022-05-24 Leilei Gan , Yuxian Meng , Kun Kuang , Xiaofei Sun , Chun Fan , Fei Wu , Jiwei Li

We introduce a graph polynomial that distinguishes tree structures to represent dependency grammar and a measure based on the polynomial representation to quantify syntax similarity. The polynomial encodes accurate and comprehensive…

Computation and Language · Computer Science 2022-11-15 Pengyu Liu , Tinghao Feng , Rui Liu

While numerous attempts have been made to jointly parse syntax and semantics, high performance in one domain typically comes at the price of performance in the other. This trade-off contradicts the large body of research focusing on the…

Computation and Language · Computer Science 2021-04-13 Elias Stengel-Eskin , Kenton Murray , Sheng Zhang , Aaron Steven White , Benjamin Van Durme

Large language models follow a lineage of many NLP applications that were directly inspired by distributional semantics, but do not seem to be closely related to it anymore. In this paper, we propose to employ the distributional theory of…

Computation and Language · Computer Science 2024-10-01 Tomáš Musil , David Mareček

Symbolic sentence meaning representations, such as AMR (Abstract Meaning Representation) provide expressive and structured semantic graphs that act as intermediates that simplify downstream NLP tasks. However, the instruction-following…

Computation and Language · Computer Science 2024-07-08 Peiran Yao , Kostyantyn Guzhva , Denilson Barbosa

The impressive performance of neural networks on natural language processing tasks attributes to their ability to model complicated word and phrase compositions. To explain how the model handles semantic compositions, we study hierarchical…

Computation and Language · Computer Science 2020-06-16 Xisen Jin , Zhongyu Wei , Junyi Du , Xiangyang Xue , Xiang Ren

To harness the power of large language models in safety-critical domains, we need to ensure the explainability of their predictions. However, despite the significant attention to model interpretability, there remains an unexplored domain in…

Computation and Language · Computer Science 2024-06-04 Kenza Amara , Rita Sevastjanova , Mennatallah El-Assady

While deep neural networks have achieved impressive performance on a range of NLP tasks, these data-hungry models heavily rely on labeled data, which restricts their applications in scenarios where data annotation is expensive. Natural…

Computation and Language · Computer Science 2020-02-17 Ziqi Wang , Yujia Qin , Wenxuan Zhou , Jun Yan , Qinyuan Ye , Leonardo Neves , Zhiyuan Liu , Xiang Ren

Lexical ambiguity can impede NLP systems from accurate understanding of semantics. Despite its potential benefits, the integration of sense-level information into NLP systems has remained understudied. By incorporating a novel…

Computation and Language · Computer Science 2017-10-19 Mohammad Taher Pilehvar , Jose Camacho-Collados , Roberto Navigli , Nigel Collier

Structured language models for speech recognition have been shown to remedy the weaknesses of n-gram models. All current structured language models are, however, limited in that they do not take into account dependencies between…

Computation and Language · Computer Science 2007-05-23 Rens Bod

Researchers have relegated natural language processing tasks to Transformer-type models, particularly generative models, because these models exhibit high versatility when performing generation and classification tasks. As the size of these…

Computation and Language · Computer Science 2025-04-04 Fabio Yáñez-Romero , Andrés Montoyo , Armando Suárez , Yoan Gutiérrez , Ruslan Mitkov

We suggest a compositional vector representation of parse trees that relies on a recursive combination of recurrent-neural network encoders. To demonstrate its effectiveness, we use the representation as the backbone of a greedy, bottom-up…

Computation and Language · Computer Science 2018-04-25 Eliyahu Kiperwasser , Yoav Goldberg

The syntactic structure of a sentence can be modeled as a tree where vertices are words and edges indicate syntactic dependencies between words. It is well-known that those edges normally do not cross when drawn over the sentence. Here a…

Computation and Language · Computer Science 2014-12-11 Ramon Ferrer-i-Cancho

We compare the performance of a transition-based parser in regards to different annotation schemes. We pro-pose to convert some specific syntactic constructions observed in the universal dependency treebanks into a so-called more standard…

Computation and Language · Computer Science 2025-03-11 Guillaume Wisniewski , Ophélie Lacroix

Pre-trained language models like BERT achieve superior performances in various NLP tasks without explicit consideration of syntactic information. Meanwhile, syntactic information has been proved to be crucial for the success of NLP…

Computation and Language · Computer Science 2021-03-09 Jiangang Bai , Yujing Wang , Yiren Chen , Yaming Yang , Jing Bai , Jing Yu , Yunhai Tong

We introduce the syntactic scaffold, an approach to incorporating syntactic information into semantic tasks. Syntactic scaffolds avoid expensive syntactic processing at runtime, only making use of a treebank during training, through a…

Computation and Language · Computer Science 2018-09-03 Swabha Swayamdipta , Sam Thomson , Kenton Lee , Luke Zettlemoyer , Chris Dyer , Noah A. Smith

Low-resource machine translation requires methods that differ from those used for high-resource languages. This paper proposes a novel in-context learning approach to support low-resource machine translation of the Coptic language to…

Computation and Language · Computer Science 2026-05-28 Abhishek Purushothama , Emma Thronson , Alexia Guo , Amir Zeldes

We propose a generative model for a sentence that uses two latent variables, with one intended to represent the syntax of the sentence and the other to represent its semantics. We show we can achieve better disentanglement between semantic…

Computation and Language · Computer Science 2019-04-03 Mingda Chen , Qingming Tang , Sam Wiseman , Kevin Gimpel

Segmenting text into fine-grained units of meaning is important to a wide range of NLP applications. The default approach of segmenting text into sentences is often insufficient, especially since sentences are usually complex enough to…

Computation and Language · Computer Science 2024-11-05 Mohammad Javad Hosseini , Yang Gao , Tim Baumgärtner , Alex Fabrikant , Reinald Kim Amplayo

Document representation is the core of many NLP tasks on machine understanding. A general representation learned in an unsupervised manner reserves generality and can be used for various applications. In practice, sentiment analysis (SA)…

Machine Learning · Computer Science 2024-01-15 Hao-Ming Fu , Pu-Jen Cheng