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We present a system for generating parsers based directly on the metaphor of parsing as deduction. Parsing algorithms can be represented directly as deduction systems, and a single deduction engine can interpret such deduction systems so as…

cmp-lg · 计算机科学 2008-02-03 Stuart M. Shieber , Yves Schabes , Fernando C. N. Pereira

A comprehensive and high-quality lexicon plays a crucial role in traditional text classification approaches. And it improves the utilization of the linguistic knowledge. Although it is helpful for the task, the lexicon has got little…

计算与语言 · 计算机科学 2020-02-19 QingBiao LI , Chunhua Wu , Kangfeng Zheng

Word discovery is the task of extracting words from unsegmented text. In this paper we examine to what extent neural networks can be applied to this task in a realistic unwritten language scenario, where only small corpora and limited…

计算与语言 · 计算机科学 2017-09-20 Marcely Zanon Boito , Alexandre Berard , Aline Villavicencio , Laurent Besacier

The automated categorization (or classification) of texts into predefined categories has witnessed a booming interest in the last ten years, due to the increased availability of documents in digital form and the ensuing need to organize…

信息检索 · 计算机科学 2021-09-21 Fabrizio Sebastiani

Information retrieval is an important application area of natural-language processing where one encounters the genuine challenge of processing large quantities of unrestricted natural-language text. This paper reports on the application of…

cmp-lg · 计算机科学 2008-02-03 David A. Evans , Chengxiang Zhai

Word frequency-based methods for extractive summarization are easy to implement and yield reasonable results across languages. However, they have significant limitations - they ignore the role of context, they offer uneven coverage of…

计算与语言 · 计算机科学 2018-10-25 Archit Sakhadeo , Nisheeth Srivastava

Taxonomy construction is not only a fundamental task for semantic analysis of text corpora, but also an important step for applications such as information filtering, recommendation, and Web search. Existing pattern-based methods extract…

数据库 · 计算机科学 2018-12-27 Chao Zhang , Fangbo Tao , Xiusi Chen , Jiaming Shen , Meng Jiang , Brian Sadler , Michelle Vanni , Jiawei Han

This paper presents a novel approach to the acquisition of language models from corpora. The framework builds on Cobweb, an early system for constructing taxonomic hierarchies of probabilistic concepts that used a tabular, attribute-value…

计算与语言 · 计算机科学 2022-12-23 Christopher J. MacLellan , Peter Matsakis , Pat Langley

We present a methodology combining surface NLP and Machine Learning techniques for ranking asbtracts and generating summaries based on annotated corpora. The corpora were annotated with meta-semantic tags indicating the category of…

信息检索 · 计算机科学 2011-10-27 Fidelia Ibekwe-Sanjuan , Fernandez Silvia , Sanjuan Eric , Charton Eric

Sense tagging, the automatic assignment of the appropriate sense from some lexicon to each of the words in a text, is a specialised instance of the general problem of semantic tagging by category or type. We discuss which recent word sense…

cmp-lg · 计算机科学 2008-02-03 Yorick Wilks , Mark Stevenson

Automatic scoring system is extremely complex for any language. Because natural language itself is a complex model. When we evaluate articles generated by natural language, we need to view the articles from many dimensions such as word…

计算与语言 · 计算机科学 2020-08-27 Wanhong Huang

This article introduces a novel and fast method for refining pre-trained static word or, more generally, token embeddings. By incorporating the embeddings of neighboring tokens in text corpora, it continuously updates the representation of…

计算与语言 · 计算机科学 2025-04-22 Mario M. Kubek , Shiraj Pokharel , Thomas Böhme , Emma L. McDaniel , Herwig Unger , Armin R. Mikler

Recently, there has been a lot of interest in automatically generating descriptions for an image. Most existing language-model based approaches for this task learn to generate an image description word by word in its original word order.…

计算机视觉与模式识别 · 计算机科学 2017-04-25 Yufei Wang , Zhe Lin , Xiaohui Shen , Scott Cohen , Garrison W. Cottrell

Text classification is the process of classifying documents into predefined categories based on their content. It is the automated assignment of natural language texts to predefined categories. Text classification is the primary requirement…

信息检索 · 计算机科学 2010-09-28 S. M. Kamruzzaman , Farhana Haider , Ahmed Ryadh Hasan

Multi-label classification is an important yet challenging task in natural language processing. It is more complex than single-label classification in that the labels tend to be correlated. Existing methods tend to ignore the correlations…

计算与语言 · 计算机科学 2018-06-18 Pengcheng Yang , Xu Sun , Wei Li , Shuming Ma , Wei Wu , Houfeng Wang

We address the problem of incremental sequence classification, where predictions are updated as new elements in the sequence are revealed. Drawing on temporal-difference learning from reinforcement learning, we identify a…

This paper addresses image classification through learning a compact and discriminative dictionary efficiently. Given a structured dictionary with each atom (columns in the dictionary matrix) related to some label, we propose cross-label…

机器学习 · 计算机科学 2017-08-02 Xiudong Wang , Yuantao Gu

In recent years, several methods have been proposed for explaining individual predictions of deep learning models, yet there has been little study of how to aggregate these predictions to explain how such models view classes as a whole in…

We propose a generic and interpretable learning framework for building robust text classification model that achieves accuracy comparable to full models under test-time budget constraints. Our approach learns a selector to identify words…

机器学习 · 计算机科学 2019-09-17 Md Rizwan Parvez , Tolga Bolukbasi , Kai-Wei Chang , Venkatesh Saligrama

We propose a new grammar-based language for defining information-extractors from documents (text) that is built upon the well-studied framework of document spanners for extracting structured data from text. While previously studied…

数据库 · 计算机科学 2023-01-25 Liat Peterfreund