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The task of text segmentation may be undertaken at many levels in text analysis---paragraphs, sentences, words, or even letters. Here, we focus on a relatively fine scale of segmentation, hypothesizing it to be in accord with a stochastic…

Zipf's law is the main regularity of quantitative linguistics. Despite of many works devoted to foundations of this law, it is still unclear whether it is only a statistical regularity, or it has deeper relations with information-carrying…

计算与语言 · 计算机科学 2018-09-25 Weibing Deng , Armen E. Allahverdyan

We present an impossibility result, called a theorem about facts and words, which pertains to a general communication system. The theorem states that the number of distinct words used in a finite text is roughly greater than the number of…

信息论 · 计算机科学 2022-11-03 Łukasz Dębowski

Organizations generate vast amounts of interconnected content across various platforms. While language models enable sophisticated reasoning for use in business applications, retrieving and contextualizing information from organizational…

信息检索 · 计算机科学 2025-04-11 Adam McCabe , Matthew H. Chequers

Despite the recent successes of deep learning in natural language processing (NLP), there remains widespread usage of and demand for techniques that do not rely on machine learning. The advantage of these techniques is their…

计算与语言 · 计算机科学 2020-12-04 Adam Hare , Yu Chen , Yinan Liu , Zhenming Liu , Christopher G. Brinton

The formation of sentences is a highly structured and history-dependent process. The probability of using a specific word in a sentence strongly depends on the 'history' of word-usage earlier in that sentence. We study a simple…

物理与社会 · 物理学 2015-05-28 Stefan Thurner , Rudolf Hanel , Bo Liu , Bernat Corominas-Murtra

Despite being a paradigm of quantitative linguistics, Zipf's law for words suffers from three main problems: its formulation is ambiguous, its validity has not been tested rigorously from a statistical point of view, and it has not been…

应用统计 · 统计学 2016-02-17 Isabel Moreno-Sánchez , Francesc Font-Clos , Álvaro Corral

We study a deliberately simple, fully non-linguistic model of text: a sequence of independent draws from a finite alphabet of letters plus a single space symbol. A word is defined as a maximal block of non-space symbols. Within this…

计算与语言 · 计算机科学 2025-11-25 Vladimir Berman

Human language, the most powerful communication system in history, is closely associated with cognition. Written text is one of the fundamental manifestations of language, and the study of its universal regularities can give clues about how…

计算与语言 · 计算机科学 2009-02-05 M. Angeles Serrano , Alessandro Flammini , Filippo Menczer

The task of finding a criterion allowing to distinguish a text from an arbitrary set of words is rather relevant in itself, for instance, in the aspect of development of means for internet-content indexing or separating signals and noise in…

计算与语言 · 计算机科学 2007-10-02 D. V. Lande , A. A. Snarskii

The word embedding space in neural models is skewed, and correcting this can improve task performance. We point out that most approaches for modeling, correcting, and measuring the symmetry of an embedding space implicitly assume that the…

计算与语言 · 计算机科学 2024-11-04 Sho Yokoi , Han Bao , Hiroto Kurita , Hidetoshi Shimodaira

Statistical regularities in human language have fascinated researchers for decades, suggesting deep underlying principles governing its evolution and information structuring for efficient communication. While Zipf's Law describes the…

物理与社会 · 物理学 2025-04-29 Alessandro Bellina , Vito D. P. Servedio

Artificial Intelligence (AI) has huge impact on our daily lives with applications such as voice assistants, facial recognition, chatbots, autonomously driving cars, etc. Natural Language Processing (NLP) is a cross-discipline of AI and…

计算与语言 · 计算机科学 2023-04-18 Klim Zaporojets

Entity extraction is a key technology for obtaining information from massive texts in natural language processing. The further interaction between them does not meet the standards of human reading comprehension, thus limiting the…

计算与语言 · 计算机科学 2021-08-23 Xiaobo Jiang , Kun He , Jiajun He , Guangyu Yan

We investigate the origin of Zipf's law for words in written texts by means of a stochastic dynamical model for text generation. The model incorporates both features related to the general structure of languages and memory effects inherent…

统计力学 · 物理学 2007-05-23 Damián H. Zanette , Marcelo A. Montemurro

Zipf's law is found when the vocabulary of long written texts is ranked according to the frequency of word occurrences, establishing a power-law decay for the frequency vs rank relation. This law is a robust statistical property observed…

物理与社会 · 物理学 2020-02-17 Juan Ignacio Perotti , Orlando Vito Billoni

Zipf's law is a hallmark of several complex systems with a modular structure, such as books composed by words or genomes composed by genes. In these component systems, Zipf's law describes the empirical power law distribution of component…

统计力学 · 物理学 2018-12-05 Andrea Mazzolini , Alberto Colliva , Michele Caselle , Matteo Osella

We checked that the distribution of words in text should uniform, which gives Heaps' law as natural result, that is, the number of types of words can be expressed as a power law of the number of tokens within text. We developed a…

物理与社会 · 物理学 2025-04-16 Kim Chol-jun

Extracting useful signals or pattern to support important business decisions for example analyzing investment product traction and discovering customer preference, risk monitoring etc. from unstructured text is a challenging task. Capturing…

计算与语言 · 计算机科学 2025-06-03 Anshika Rawal , Abhijeet Kumar , Mridul Mishra

Complex natural and technological systems can be considered, on a coarse-grained level, as assemblies of elementary components: for example, genomes as sets of genes, or texts as sets of words. On one hand, the joint occurrence of…

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