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Books are typically segmented into chapters and sections, representing coherent subnarratives and topics. We investigate the task of predicting chapter boundaries, as a proxy for the general task of segmenting long texts. We build a Project…

Computation and Language · Computer Science 2020-11-10 Charuta Pethe , Allen Kim , Steven Skiena

Text segmentation, the task of dividing a document into contiguous segments based on its semantic structure, is a longstanding challenge in language understanding. Previous work on text segmentation focused on unsupervised methods such as…

Computation and Language · Computer Science 2018-03-28 Omri Koshorek , Adir Cohen , Noam Mor , Michael Rotman , Jonathan Berant

Despite the remarkable progress in semantic segmentation tasks with the advancement of deep neural networks, existing U-shaped hierarchical typical segmentation networks still suffer from local misclassification of categories and inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Zhijie Jia , Lin Chen , Kaiwen Hu , Lechao Cheng , Zunlei Feng , Mingli Song

Semantic image segmentation is one of fastest growing areas in computer vision with a variety of applications. In many areas, such as robotics and autonomous vehicles, semantic image segmentation is crucial, since it provides the necessary…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Georgios Takos

Distributed representation learned with neural networks has recently shown to be effective in modeling natural languages at fine granularities such as words, phrases, and even sentences. Whether and how such an approach can be extended to…

Computation and Language · Computer Science 2016-10-27 Qian Chen , Xiaodan Zhu , Zhenhua Ling , Si Wei , Hui Jiang

Recent neural supervised topic segmentation models achieve distinguished superior effectiveness over unsupervised methods, with the availability of large-scale training corpora sampled from Wikipedia. These models may, however, suffer from…

Computation and Language · Computer Science 2022-09-20 Linzi Xing , Patrick Huber , Giuseppe Carenini

Document image segmentation is crucial for document analysis and recognition but remains challenging due to the diversity of document formats and segmentation tasks. Existing methods often address these tasks separately, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xiao-Hui Li , Fei Yin , Cheng-Lin Liu

This paper presents a modified neural model for topic detection from a corpus and proposes a new metric to evaluate the detected topics. The new model builds upon the embedded topic model incorporating some modifications such as document…

Computation and Language · Computer Science 2023-06-09 Tomoya Kitano , Yuto Miyatake , Daisuke Furihata

Subject categories of scholarly papers generally refer to the knowledge domain(s) to which the papers belong, examples being computer science or physics. Subject category information can be used for building faceted search for digital…

Computation and Language · Computer Science 2020-07-29 Bharath Kandimalla , Shaurya Rohatgi , Jian Wu , C Lee Giles

Text categorization is an essential task in Web content analysis. Considering the ever-evolving Web data and new emerging categories, instead of the laborious supervised setting, in this paper, we focus on the minimally-supervised setting…

Computation and Language · Computer Science 2021-02-24 Xinyang Zhang , Chenwei Zhang , Luna Xin Dong , Jingbo Shang , Jiawei Han

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

This paper proposes a new methodology to study sequential corpora by implementing a two-stage algorithm that learns time-based topics with respect to a scale of document positions and introduces the concept of Topic Scaling which ranks…

Information Retrieval · Computer Science 2021-04-05 Sami Diaf , Ulrich Fritsche

Current language understanding approaches focus on small documents, such as newswire articles, blog posts, product reviews and discussion forum entries. Understanding and extracting information from large documents like legal briefs,…

Computation and Language · Computer Science 2017-09-05 Muhammad Mahbubur Rahman , Tim Finin

Segmenting text into semantically coherent segments is an important task with applications in information retrieval and text summarization. Developing accurate topical segmentation requires the availability of training data with ground…

Computation and Language · Computer Science 2019-04-16 Saurav Manchanda , George Karypis

Capturing the compositional process which maps the meaning of words to that of documents is a central challenge for researchers in Natural Language Processing and Information Retrieval. We introduce a model that is able to represent the…

Computation and Language · Computer Science 2014-06-17 Misha Denil , Alban Demiraj , Nal Kalchbrenner , Phil Blunsom , Nando de Freitas

Topic models are frequently used in machine learning owing to their high interpretability and modular structure. However, extending a topic model to include a supervisory signal, to incorporate pre-trained word embedding vectors and to…

Machine Learning · Statistics 2019-09-17 Ryohei Hisano

Lifelong learning has recently attracted attention in building machine learning systems that continually accumulate and transfer knowledge to help future learning. Unsupervised topic modeling has been popularly used to discover topics from…

Computation and Language · Computer Science 2023-06-28 Pankaj Gupta , Yatin Chaudhary , Thomas Runkler , Hinrich Schütze

One of the principal tasks of machine learning with major applications is text classification. This paper focuses on the legal domain and, in particular, on the classification of lengthy legal documents. The main challenge that this study…

Computation and Language · Computer Science 2019-12-17 Lulu Wan , George Papageorgiou , Michael Seddon , Mirko Bernardoni

Semantic Segmentation is a significant research field in Computer Vision. Despite being a widely studied subject area, many visualization tools do not exist that capture segmentation quality and dataset statistics such as a class imbalance…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Sourajit Saha , Shubhashis Roy Dipta

Topic models are a popular tool for understanding text collections, but their evaluation has been a point of contention. Automated evaluation metrics such as coherence are often used, however, their validity has been questioned for neural…

Computation and Language · Computer Science 2024-02-21 Zongxia Li , Andrew Mao , Daniel Stephens , Pranav Goel , Emily Walpole , Alden Dima , Juan Fung , Jordan Boyd-Graber