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Hierarchical text classification (HTC) depends on taxonomies that organize labels into structured hierarchies. However, many real-world taxonomies introduce ambiguities, such as identical leaf names under similar parent nodes, which prevent…

Computation and Language · Computer Science 2026-01-27 Jonas Golde , Nicolaas Jedema , Ravi Krishnan , Phong Le

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

Word embeddings -- distributed representations of words -- in deep learning are beneficial for many tasks in natural language processing (NLP). However, different embedding sets vary greatly in quality and characteristics of the captured…

Computation and Language · Computer Science 2015-12-31 Wenpeng Yin , Hinrich Schütze

Most existing word embedding approaches do not distinguish the same words in different contexts, therefore ignoring their contextual meanings. As a result, the learned embeddings of these words are usually a mixture of multiple meanings. In…

Computation and Language · Computer Science 2016-12-04 Jian Tang , Meng Qu , Qiaozhu Mei

With text analysis tools becoming increasingly sophisticated over the last decade, researchers now face a decision of whether to use state-of-the-art models that provide high performance but that can be highly opaque in their operations and…

Computation and Language · Computer Science 2024-11-05 Catherine Moez

Text classification tasks which aim at harvesting and/or organizing information from electronic health records are pivotal to support clinical and translational research. However these present specific challenges compared to other…

Computation and Language · Computer Science 2020-05-15 Aurelie Mascio , Zeljko Kraljevic , Daniel Bean , Richard Dobson , Robert Stewart , Rebecca Bendayan , Angus Roberts

We explore using multilingual document embeddings for nearest neighbor mining of parallel data. Three document-level representations are investigated: (i) document embeddings generated by simply averaging multilingual sentence embeddings;…

Computation and Language · Computer Science 2019-07-02 Mandy Guo , Yinfei Yang , Keith Stevens , Daniel Cer , Heming Ge , Yun-Hsuan Sung , Brian Strope , Ray Kurzweil

We propose a new method for learning word representations using hierarchical regularization in sparse coding inspired by the linguistic study of word meanings. We show an efficient learning algorithm based on stochastic proximal methods…

Computation and Language · Computer Science 2014-11-07 Dani Yogatama , Manaal Faruqui , Chris Dyer , Noah A. Smith

Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

Information Retrieval · Computer Science 2017-07-18 Hamed Zamani , W. Bruce Croft

Distributional text clustering delivers semantically informative representations and captures the relevance between each word and semantic clustering centroids. We extend the neural text clustering approach to text classification tasks by…

Computation and Language · Computer Science 2020-11-25 Yekun Chai , Haidong Zhang , Shuo Jin

Hierarchical text classification (HTC) is a natural language processing task which has the objective of categorising text documents into a set of classes from a predefined structured class hierarchy. Recent HTC approaches use various…

Computation and Language · Computer Science 2025-07-23 Jaco du Toit , Marcel Dunaiski

Word embeddings and language models have transformed natural language processing (NLP) by facilitating the representation of linguistic elements in continuous vector spaces. This review visits foundational concepts such as the…

This paper attempt to study the effectiveness of text representation schemes on two tasks namely: User Aggression and Fact Detection from the social media contents. In User Aggression detection, The aim is to identify the level of…

Information Retrieval · Computer Science 2019-04-19 Sandip Modha , Prasenjit Majumder

Hierarchical text classification (HTC) is a challenging subtask of multi-label classification due to its complex taxonomic structure. Nearly all recent HTC works focus on how the labels are structured but ignore the sub-structure of…

Computation and Language · Computer Science 2024-04-01 Zihan Wang , Peiyi Wang , Houfeng Wang

Natural language processing models have attracted much interest in the deep learning community. This branch of study is composed of some applications such as machine translation, sentiment analysis, named entity recognition, question and…

Computation and Language · Computer Science 2020-07-22 Flávio Santos , Hendrik Macedo , Thiago Bispo , Cleber Zanchettin

Words embedding (distributed word vector representations) have become an essential component of many natural language processing (NLP) tasks such as machine translation, sentiment analysis, word analogy, named entity recognition and word…

Computation and Language · Computer Science 2020-01-08 Idris Abdulmumin , Bashir Shehu Galadanci

We consider the problem of learning efficient and inductive graph convolutional networks for text classification with a large number of examples and features. Existing state-of-the-art graph embedding based methods such as predictive text…

Computation and Language · Computer Science 2020-09-01 Rahul Ragesh , Sundararajan Sellamanickam , Arun Iyer , Ram Bairi , Vijay Lingam

In this paper, an improved clustering technique for large textual datasets by leveraging fine-tuned word embeddings is presented. WEClustering technique is used as the base model. WEClustering model is fur-ther improvements incorporating…

Machine Learning · Computer Science 2025-05-22 Vijay Kumar Sutrakar , Nikhil Mogre

Most state-of-the-art approaches for named-entity recognition (NER) use semi supervised information in the form of word clusters and lexicons. Recently neural network-based language models have been explored, as they as a byproduct generate…

Computation and Language · Computer Science 2014-04-23 Alexandre Passos , Vineet Kumar , Andrew McCallum

One-hot CNN (convolutional neural network) has been shown to be effective for text categorization (Johnson & Zhang, 2015). We view it as a special case of a general framework which jointly trains a linear model with a non-linear feature…

Machine Learning · Statistics 2016-05-27 Rie Johnson , Tong Zhang