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While cross-lingual word embeddings have been studied extensively in recent years, the qualitative differences between the different algorithms remain vague. We observe that whether or not an algorithm uses a particular feature set…

Computation and Language · Computer Science 2017-01-11 Omer Levy , Anders Søgaard , Yoav Goldberg

Generic sentence embeddings provide a coarse-grained approximation of semantic textual similarity but ignore specific aspects that make texts similar. Conversely, aspect-based sentence embeddings provide similarities between texts based on…

Computation and Language · Computer Science 2023-09-26 Tim Schopf , Emanuel Gerber , Malte Ostendorff , Florian Matthes

Document-level relation extraction (DocRE) involves identifying relations between entities distributed in multiple sentences within a document. Existing methods focus on building a heterogeneous document graph to model the internal…

Computation and Language · Computer Science 2023-10-31 Chonggang Lu , Richong Zhang , Kai Sun , Jaein Kim , Cunwang Zhang , Yongyi Mao

The representation space of pretrained Language Models (LMs) encodes rich information about words and their relationships (e.g., similarity, hypernymy, polysemy) as well as abstract semantic notions (e.g., intensity). In this paper, we…

Computation and Language · Computer Science 2023-06-02 Qing Lyu , Marianna Apidianaki , Chris Callison-Burch

Word embedding, which refers to low-dimensional dense vector representations of natural words, has demonstrated its power in many natural language processing tasks. However, it may suffer from the inaccurate and incomplete information…

Computation and Language · Computer Science 2015-06-16 Fei Tian , Bin Gao , Enhong Chen , Tie-Yan Liu

Over the past decade, knowledge graphs became popular for capturing structured domain knowledge. Relational learning models enable the prediction of missing links inside knowledge graphs. More specifically, latent distance approaches model…

Artificial Intelligence · Computer Science 2020-02-24 Afshin Sadeghi , Damien Graux , Hamed Shariat Yazdi , Jens Lehmann

Document-level relation extraction (RE) aims to extract the relations between entities from the input document that usually containing many difficultly-predicted entity pairs whose relations can only be predicted through relational…

Computation and Language · Computer Science 2022-11-29 Liang Zhang , Jinsong Su , Yidong Chen , Zhongjian Miao , Zijun Min , Qingguo Hu , Xiaodong Shi

Word embeddings have recently seen a strong increase in interest as a result of strong performance gains on a variety of tasks. However, most of this research also underlined the importance of benchmark datasets, and the difficulty of…

Computation and Language · Computer Science 2016-07-04 Stéphan Tulkens , Chris Emmery , Walter Daelemans

End-to-end neural machine translation has overtaken statistical machine translation in terms of translation quality for some language pairs, specially those with large amounts of parallel data. Besides this palpable improvement, neural…

Computation and Language · Computer Science 2017-11-16 Cristina España-Bonet , Ádám Csaba Varga , Alberto Barrón-Cedeño , Josef van Genabith

In this paper we propose a graph-community detection approach to identify cross-document relationships at the topic segment level. Given a set of related documents, we automatically find these relationships by clustering segments with…

Computation and Language · Computer Science 2016-06-14 Pedro Mota , Maxine Eskenazi , Luisa Coheur

Learning word embeddings using distributional information is a task that has been studied by many researchers, and a lot of studies are reported in the literature. On the contrary, less studies were done for the case of multiple languages.…

Computation and Language · Computer Science 2020-04-15 Marco Berlot , Evan Kaplan

We introduce word vectors for the construction domain. Our vectors were obtained by running word2vec on an 11M-word corpus that we created from scratch by leveraging freely-accessible online sources of construction-related text. We first…

Computation and Language · Computer Science 2016-10-31 Antoine J. -P. Tixier , Michalis Vazirgiannis , Matthew R. Hallowell

Low-dimensional embeddings are a cornerstone in the modelling and analysis of complex networks. However, most existing approaches for mining network embedding spaces rely on computationally intensive machine learning systems to facilitate…

Social and Information Networks · Computer Science 2024-10-04 Alexandros Xenos , Noel-Malod Dognin , Natasa Przulj

Networks have been widely used as the data structure for abstracting real-world systems as well as organizing the relations among entities. Network embedding models are powerful tools in mapping nodes in a network into continuous…

Social and Information Networks · Computer Science 2019-05-28 Ninghao Liu , Qiaoyu Tan , Yuening Li , Hongxia Yang , Jingren Zhou , Xia Hu

Distant supervised relation extraction is an efficient approach to scale relation extraction to very large corpora, and has been widely used to find novel relational facts from plain text. Recent studies on neural relation extraction have…

Computation and Language · Computer Science 2018-01-12 Zhengqiu He , Wenliang Chen , Zhenghua Li , Meishan Zhang , Wei Zhang , Min Zhang

Detecting keywords in texts is important for many text mining applications. Graph-based methods have been commonly used to automatically find the key concepts in texts, however, relevant information provided by embeddings has not been…

Computation and Language · Computer Science 2022-05-05 Jorge A. V. Tohalino , Thiago C. Silva , Diego R. Amancio

Retrieving relevant documents from a corpus is typically based on the semantic similarity between the document content and query text. The inclusion of structural relationship between documents can benefit the retrieval mechanism by…

Information Retrieval · Computer Science 2022-04-05 Natraj Raman , Sameena Shah , Manuela Veloso

Scene graphs are a powerful structured representation of the underlying content of images, and embeddings derived from them have been shown to be useful in multiple downstream tasks. In this work, we employ a graph convolutional network to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Paridhi Maheshwari , Ritwick Chaudhry , Vishwa Vinay

Over the past years, embedding learning on networks has shown tremendous results in link prediction tasks for complex systems, with a wide range of real-life applications. Learning a representation for each node in a knowledge graph allows…

Machine Learning · Computer Science 2026-02-03 Orell Trautmann , Olaf Wolkenhauer , Clémence Réda

We apply distributed language embedding methods from Natural Language Processing to assign a vector to each database entity associated token (for example, a token may be a word occurring in a table row, or the name of a column). These…

Computation and Language · Computer Science 2016-03-24 Rajesh Bordawekar , Oded Shmueli