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In this paper we exploit concepts of information theory to address the fundamental problem of identifying and defining the most suitable tools to extract, in a automatic and agnostic way, information from a generic string of characters. We…

统计力学 · 物理学 2009-11-10 Andrea Baronchelli , Emanuele Caglioti , Vittorio Loreto

In this letter we present a very general method to extract information from a generic string of characters, e.g. a text, a DNA sequence or a time series. Based on data-compression techniques, its key point is the computation of a suitable…

统计力学 · 物理学 2009-11-07 Dario Benedetto , Emanuele Caglioti , Vittorio Loreto

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…

基因组学 · 定量生物学 2020-09-23 Vincenzo Bonnici , Giuditta Franco , Vincenzo Manca

In essence, the two tagging methods (direct tagging and tagging with sentences compression) are to tag the information we need by using regular expression which basing on the inherent language patterns of the natural language. Though it has…

计算与语言 · 计算机科学 2018-10-08 Peihui Chen

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

The problem of storing a set of strings --- a string dictionary --- in compact form appears naturally in many cases. While classically it has represented a small part of the whole data to be processed (e.g., for Natural Language processing…

数据结构与算法 · 计算机科学 2011-01-31 Nieves R. Brisaboa , Rodrigo Cánovas , Miguel A. Martínez-Prieto , Gonzalo Navarro

External linguistic resources have been used for a very long time in information extraction. These methods enrich a document with data that are semantically equivalent, in order to improve recall. For instance, some of these methods use…

信息检索 · 计算机科学 2007-05-23 Bernard Jacquemin , Caroline Brun , Claude Roux

Information extraction is the task of automatically picking up information of interest from an unconstrained text. Information of interest is usually extracted in two steps. First, sentence level processing locates relevant pieces of…

人工智能 · 计算机科学 2008-02-03 T. Kitani , Y. Eriguchi , M. Hara

Text mining is about looking for patterns in natural language text, and may be defined as the process of analyzing text to extract information from it for particular purposes. In previous work, we claimed that compression is a key…

数字图书馆 · 计算机科学 2007-05-23 Stuart Yeates , David Bainbridge , Ian H. Witten

This technical memo describes Information Extraction from the point-of-view of a potential user of the technology. No knowledge of language processing is assumed. Information Extraction is a process which takes unseen texts as input and…

cmp-lg · 计算机科学 2008-02-03 Hamish Cunningham

Overall, the two main contributions of this work include the application of sentence simplification to association extraction as described above, and the use of distributional semantics for concept extraction. The proposed work on concept…

计算与语言 · 计算机科学 2011-09-13 Siddhartha Jonnalagadda

We present an efficient and robust reference resolution algorithm in an end-to-end state-of-the-art information extraction system, which must work with a considerably impoverished syntactic analysis of the input sentences. Considering this…

cmp-lg · 计算机科学 2008-02-03 Megumi Kameyama

Rule-based information extraction has lately received a fair amount of attention from the database community, with several languages appearing in the last few years. Although information extraction systems are intended to deal with…

数据库 · 计算机科学 2018-01-01 Francisco Maturana , Cristian Riveros , Domagoj Vrgoč

Advances in large language models have notably enhanced the efficiency of information extraction from unstructured and semi-structured data sources. As these technologies become integral to various applications, establishing an objective…

In this paper, we present the concept of Approximate grammar and how it can be used to extract information from a documemt. As the structure of informational strings cannot be defined well in a document, we cannot use the conventional…

计算与语言 · 计算机科学 2007-05-23 V. Sriram , B. Ravi Sekar Reddy , R. Sangal

The difficulties of automatic extraction of definitions and methods from scientific documents lie in two aspects: (1) the complexity and diversity of natural language texts, which requests an analysis method to support the discovery of…

计算与语言 · 计算机科学 2023-07-06 Yutian Sun , Hai Zhuge

This paper presents a procedure to retrieve subsets of relevant documents from large text collections for Content Analysis, e.g. in social sciences. Document retrieval for this purpose needs to take account of the fact that analysts often…

信息检索 · 计算机科学 2017-07-12 Gregor Wiedemann , Andreas Niekler

Data compression is very important feature in terms of saving the memory space. In this proposal, an indexed dictionary based compression is used for text data, where the word's reference in dictionary is used for compression. This approach…

其他计算机科学 · 计算机科学 2015-12-23 Vivek Dimri , Prof. Ranjit Biswas

This research work deals with Natural Language Processing (NLP) and extraction of essential information in an explicit form. The most common among the information management strategies is Document Retrieval (DR) and Information Filtering.…

计算与语言 · 计算机科学 2020-04-07 K. R. Chowdhary

Relative compression, where a set of similar strings are compressed with respect to a reference string, is a very effective method of compressing DNA datasets containing multiple similar sequences. Relative compression is fast to perform…

定量方法 · 定量生物学 2011-06-21 Shanika Kuruppu , Simon Puglisi , Justin Zobel
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