English
Related papers

Related papers: Approximate Grammar for Information Extraction

200 papers

We address the challenge of extracting structured information from business documents without detailed annotations. We propose Deep Conditional Probabilistic Context Free Grammars (DeepCPCFG) to parse two-dimensional complex documents and…

Computation and Language · Computer Science 2021-06-08 Freddy C. Chua , Nigel P. Duffy

Genomes may be analyzed from an information viewpoint as very long strings, containing functional elements of variable length, which have been assembled by evolution. In this work an innovative information theory based algorithm is…

Genomics · Quantitative Biology 2020-09-23 Vincenzo Bonnici , Giuditta Franco , Vincenzo Manca

Knowing the precise format of a program's input is a necessary prerequisite for systematic testing. Given a program and a small set of sample inputs, we (1) track the data flow of inputs to aggregate input fragments that share the same data…

Programming Languages · Computer Science 2017-08-30 Matthias Höschele , Alexander Kampmann , Andreas Zeller

Phrase-structure grammars are effective models for important syntactic and semantic aspects of natural languages, but can be computationally too demanding for use as language models in real-time speech recognition. Therefore, finite-state…

cmp-lg · Computer Science 2008-02-03 Fernando C. N. Pereira , Rebecca N. Wright

Owing to the rapidly growing multimedia content available on the Internet, extractive spoken document summarization, with the purpose of automatically selecting a set of representative sentences from a spoken document to concisely express…

Computation and Language · Computer Science 2015-06-16 Kuan-Yu Chen , Shih-Hung Liu , Hsin-Min Wang , Berlin Chen , Hsin-Hsi Chen

Representing structured text from complex documents typically calls for different machine learning techniques, such as language models for paragraphs and convolutional neural networks (CNNs) for table extraction, which prohibits drawing…

Computation and Language · Computer Science 2022-02-21 Thomas Roland Barillot , Jacob Saks , Polena Lilyanova , Edward Torgas , Yachen Hu , Yuanqing Liu , Varun Balupuri , Paul Gaskell

Expository documents are vital resources for conveying complex information to readers. Despite their usefulness, writing expository text by hand is a challenging process that requires careful content planning, obtaining facts from multiple…

Computation and Language · Computer Science 2023-10-24 Nishant Balepur , Jie Huang , Kevin Chen-Chuan Chang

Question Answering (QA) research is a significant and challenging task in Natural Language Processing. QA aims to extract an exact answer from a relevant text snippet or a document. The motivation behind QA research is the need of user who…

Information Retrieval · Computer Science 2018-10-10 Lokesh Kumar Sharma , Namita Mittal

Keyphrases provide a simple way of describing a document, giving the reader some clues about its contents. Keyphrases can be useful in a various applications such as retrieval engines, browsing interfaces, thesaurus construction, text…

Information Retrieval · Computer Science 2010-04-20 Kamal Sarkar , Mita Nasipuri , Suranjan Ghose

The space and run-time requirements of broad coverage grammars appear for many applications unreasonably large in relation to the relative simplicity of the task at hand. On the other hand, handcrafted development of application-dependent…

cmp-lg · Computer Science 2007-05-23 Renate Henschel , John A. Bateman

Extractive summarization aims at selecting a set of indicative sentences from a source document as a summary that can express the major theme of the document. A general consensus on extractive summarization is that both relevance and…

Computation and Language · Computer Science 2016-01-21 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang

In mathematics, LaTeX is the de facto standard to prepare documents, e.g., scientific publications. While some formulae are still developed using pen and paper, more complicated mathematical expressions used more and more often with…

Information Retrieval · Computer Science 2020-12-01 André Greiner-Petter

Paraphrasing methods recognize, generate, or extract phrases, sentences, or longer natural language expressions that convey almost the same information. Textual entailment methods, on the other hand, recognize, generate, or extract pairs of…

Computation and Language · Computer Science 2010-06-01 Ion Androutsopoulos , Prodromos Malakasiotis

This paper is an attempt to bring together two approaches to language analysis. The possible use of probabilistic information in principle-based grammars and parsers is considered, including discussion on some theoretical and computational…

cmp-lg · Computer Science 2008-02-03 Andrew Fordham , Matthew Crocker

Information extraction (IE) aims to extract structural knowledge from plain natural language texts. Recently, generative Large Language Models (LLMs) have demonstrated remarkable capabilities in text understanding and generation. As a…

Computation and Language · Computer Science 2024-11-01 Derong Xu , Wei Chen , Wenjun Peng , Chao Zhang , Tong Xu , Xiangyu Zhao , Xian Wu , Yefeng Zheng , Yang Wang , Enhong Chen

Nous pr\'esentons dans cette contribution une approche \`a la fois symbolique et probabiliste permettant d'extraire l'information sur la segmentation du signal de parole \`a partir d'information prosodique. Nous utilisons pour ce faire des…

Machine Learning · Computer Science 2008-12-18 Irina Nesterenko , Stéphane Rauzy

Generating an abstract from a collection of documents is a desirable capability for many real-world applications. However, abstractive approaches to multi-document summarization have not been thoroughly investigated. This paper studies the…

Computation and Language · Computer Science 2018-06-15 Kexin Liao , Logan Lebanoff , Fei Liu

Full-text search engines are important tools for information retrieval. In a proximity full-text search, a document is relevant if it contains query terms near each other, especially if the query terms are frequently occurring words. For…

Information Retrieval · Computer Science 2020-09-09 Alexander B. Veretennikov

Approximate computing is a research area where we investigate a wide spectrum of techniques to trade off computation accuracy for better performance or energy consumption. In this work, we provide a general introduction to approximate…

Programming Languages · Computer Science 2017-12-12 M. Ammar Ben Khadra

Programs for extracting structured information from text, namely information extractors, often operate separately on document segments obtained from a generic splitting operation such as sentences, paragraphs, k-grams, HTTP requests, and so…

Databases · Computer Science 2021-05-21 Johannes Doleschal , Benny Kimelfeld , Wim Martens , Frank Neven , Matthias Niewerth