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Recent advances in neural word embedding provide significant benefit to various information retrieval tasks. However as shown by recent studies, adapting the embedding models for the needs of IR tasks can bring considerable further…

信息检索 · 计算机科学 2018-04-05 Navid Rekabsaz , Bhaskar Mitra , Mihai Lupu , Allan Hanbury

Word vector representations open up new opportunities to extract useful information from unstructured text. Defining a word as a vector made it easy for the machine learning algorithms to understand a text and extract information from. Word…

计算与语言 · 计算机科学 2021-05-19 Mohammed Ibrahim , Susan Gauch , Tyler Gerth , Brandon Cox

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…

计算与语言 · 计算机科学 2022-05-05 Jorge A. V. Tohalino , Thiago C. Silva , Diego R. Amancio

BACKGROUND: The amount of biomedical literature is rapidly growing and it is becoming increasingly difficult to keep manually curated knowledge bases and ontologies up-to-date. In this study we applied the word2vec deep learning toolkit to…

计算与语言 · 计算机科学 2015-02-13 Jose Antonio Miñarro-Giménez , Oscar Marín-Alonso , Matthias Samwald

We present a novel learning method for word embeddings designed for relation classification. Our word embeddings are trained by predicting words between noun pairs using lexical relation-specific features on a large unlabeled corpus. This…

计算与语言 · 计算机科学 2015-06-23 Kazuma Hashimoto , Pontus Stenetorp , Makoto Miwa , Yoshimasa Tsuruoka

Recent word embeddings techniques represent words in a continuous vector space, moving away from the atomic and sparse representations of the past. Each such technique can further create multiple varieties of embeddings based on different…

计算与语言 · 计算机科学 2020-12-08 Mohit Mayank

In recent years, knowledge graph embeddings have achieved great success. Many methods have been proposed and achieved state-of-the-art results in various tasks. However, most of the current methods present one or more of the following…

机器学习 · 计算机科学 2025-01-09 Yuhe Bai

Embedding words in a vector space has gained a lot of attention in recent years. While state-of-the-art methods provide efficient computation of word similarities via a low-dimensional matrix embedding, their motivation is often left…

计算与语言 · 计算机科学 2016-09-29 Shihao Ji , Hyokun Yun , Pinar Yanardag , Shin Matsushima , S. V. N. Vishwanathan

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…

计算与语言 · 计算机科学 2015-06-16 Fei Tian , Bin Gao , Enhong Chen , Tie-Yan Liu

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…

计算与语言 · 计算机科学 2016-10-31 Antoine J. -P. Tixier , Michalis Vazirgiannis , Matthew R. Hallowell

Latent Dirichlet Allocation (LDA) mining thematic structure of documents plays an important role in nature language processing and machine learning areas. However, the probability distribution from LDA only describes the statistical…

计算与语言 · 计算机科学 2015-06-30 Li-Qiang Niu , Xin-Yu Dai

Recent advancements in graph neural networks (GNNs) and heterogeneous GNNs (HGNNs) have advanced node embeddings and relationship learning for various tasks. However, existing methods often rely on domain-specific predefined meta-paths,…

机器学习 · 计算机科学 2025-08-28 Jongwoo Kim , Seongyeub Chu , Hyeongmin Park , Bryan Wong , Keejun Han , Mun Yong Yi

Learned vector representations of words are useful tools for many information retrieval and natural language processing tasks due to their ability to capture lexical semantics. However, while many such tasks involve or even rely on named…

计算与语言 · 计算机科学 2020-02-13 Satya Almasian , Andreas Spitz , Michael Gertz

Computing the probability of an edge's existence in a graph network is known as link prediction. While traditional methods calculate the similarity between two given nodes in a static network, recent research has focused on evaluating…

社会与信息网络 · 计算机科学 2023-05-29 Kazi Zainab Khanam , Aditya Singhal , Vijay Mago

This paper presents preliminary works on using Word Embedding (word2vec) for query expansion in the context of Personalized Information Retrieval. Traditionally, word embeddings are learned on a general corpus, like Wikipedia. In this work…

信息检索 · 计算机科学 2016-06-23 Nawal Ould-Amer , Philippe Mulhem , Mathias Gery

Word embeddings are often used in natural language processing as a means to quantify relationships between words. More generally, these same word embedding techniques can be used to quantify relationships between features. In this paper, we…

密码学与安全 · 计算机科学 2021-03-11 Aniket Chandak , Wendy Lee , Mark Stamp

With Company2Vec, the paper proposes a novel application in representation learning. The model analyzes business activities from unstructured company website data using Word2Vec and dimensionality reduction. Company2Vec maintains semantic…

人工智能 · 计算机科学 2023-07-19 Christopher Gerling

Natural language processing has improved tremendously after the success of word embedding techniques such as word2vec. Recently, the same idea has been applied on source code with encouraging results. In this survey, we aim to collect and…

机器学习 · 计算机科学 2019-04-08 Zimin Chen , Martin Monperrus

We propose a novel framework for modeling the interaction between graphical structures and the natural language text associated with their nodes and edges. Existing approaches typically fall into two categories. On group ignores the…

计算与语言 · 计算机科学 2021-05-12 Aryan Arbabi , Mingqiu Wang , Laurent El Shafey , Nan Du , Izhak Shafran

Embedding graph nodes into a vector space can allow the use of machine learning to e.g. predict node classes, but the study of node embedding algorithms is immature compared to the natural language processing field because of a diverse…

机器学习 · 计算机科学 2018-02-20 Kento Nozawa , Masanari Kimura , Atsunori Kanemura