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Sequence classification algorithms, such as SVM, require a definition of distance (similarity) measure between two sequences. A commonly used notion of similarity is the number of matches between $k$-mers ($k$-length subsequences) in the…

数据结构与算法 · 计算机科学 2017-12-13 Muhammad Farhan , Juvaria Tariq , Arif Zaman , Mudassir Shabbir , Imdad Ullah Khan

Computing the {\em matching statistics} of a string $P[1..m]$ with respect to a text $T[1..n]$ is a fundamental problem which has application to genome sequence comparison. In this paper, we study the problem of computing the matching…

数据结构与算法 · 计算机科学 2022-01-14 Younan Gao

This paper proposes Relational Similarity Machines (RSM): a fast, accurate, and flexible relational learning framework for supervised and semi-supervised learning tasks. Despite the importance of relational learning, most existing methods…

机器学习 · 统计学 2016-08-03 Ryan A. Rossi , Rong Zhou , Nesreen K. Ahmed

Survey data can contain a high number of features while having a comparatively low quantity of examples. Machine learning models that attempt to predict outcomes from survey data under these conditions can overfit and result in poor…

计算与语言 · 计算机科学 2023-08-22 Benjamin C. Warner , Ziqi Xu , Simon Haroutounian , Thomas Kannampallil , Chenyang Lu

This study aims to publish a novel similarity metric to increase the speed of comparison operations. Also the new metric is suitable for distance-based operations among strings. Most of the simple calculation methods, such as string length…

数据结构与算法 · 计算机科学 2014-01-28 Sadi Evren Seker , Oguz Altun , Uğur Ayan , Cihan Mert

In many applications, it is necessary to determine the string similarity. Edit distance[WF74] approach is a classic method to determine Field Similarity. A well known dynamic programming algorithm [GUS97] is used to calculate edit distance…

数据结构与算法 · 计算机科学 2007-05-23 Qi Xiao Yang , Sung Sam Yuan , Lu Chun , Li Zhao , Sun Peng

The fundamental problem of similarity studies, in the frame of data-mining, is to examine and detect similar items in articles, papers, books, with huge sizes. In this paper, we are interested in the probabilistic, and the statistical and…

统计方法学 · 统计学 2015-08-18 Gane Samb Lo , Soumaila Dembele

The use of children's drawings to examining their conceptual understanding has been proven to be an effective method, but there are two major problems with previous research: 1. The content of the drawings heavily relies on the task, and…

计算与语言 · 计算机科学 2025-08-28 Yi Zhang , Fan Wei , Jingyi Li , Yan Wang , Yanyan Yu , Jianli Chen , Zipo Cai , Xinyu Liu , Wei Wang , Sensen Yao , Peng Wang , Zhong Wang

Measuring similarities between strings is central for many established and fast growing research areas including information retrieval, biology, and natural language processing. The traditional approach for string similarity measurements is…

信息检索 · 计算机科学 2018-08-20 Mehdi Ben Lazreg , Morten Goodwin

This paper introduces Latent Relational Analysis (LRA), a method for measuring relational similarity. LRA has potential applications in many areas, including information extraction, word sense disambiguation, machine translation, and…

计算与语言 · 计算机科学 2007-05-23 Peter D. Turney

As large language models become increasingly capable at various writing tasks, their weakness at generating unique and creative content becomes a major liability. Although LLMs have the ability to generate text covering diverse topics,…

计算与语言 · 计算机科学 2025-08-12 Ramya Namuduri , Yating Wu , Anshun Asher Zheng , Manya Wadhwa , Greg Durrett , Junyi Jessy Li

Calculating the semantic similarity between sentences is a long dealt problem in the area of natural language processing. The semantic analysis field has a crucial role to play in the research related to the text analytics. The semantic…

计算与语言 · 计算机科学 2018-02-22 Atish Pawar , Vijay Mago

The length of the longest common subsequences (LCSs) is often used as a similarity measurement to compare two (or more) random words. Below we study its statistical behavior in mean and variance using a Monte-Carlo approach from which we…

概率论 · 数学 2017-05-22 Qingqing Liu , Christian Houdré

The problem of approximate string matching is important in many different areas such as computational biology, text processing and pattern recognition. A great effort has been made to design efficient algorithms addressing several variants…

数据结构与算法 · 计算机科学 2008-07-29 Dimitris Papamichail , Georgios Papamichail

Overlapping frequently occurs in paired texts in natural language processing tasks like text editing and semantic similarity evaluation. Better evaluation of the semantic distance between the overlapped sentences benefits the language…

计算与语言 · 计算机科学 2023-06-14 Letian Peng , Zuchao Li , Hai Zhao

In this paper we present $LCSk$++: a new metric for measuring the similarity of long strings, and provide an algorithm for its efficient computation. With ever increasing size of strings occuring in practice, e.g. large genomes of plants…

数据结构与算法 · 计算机科学 2019-08-27 Filip Pavetić , Goran Žužić , Mile Šikić

In this study, we leverage LLM to enhance the semantic analysis and develop similarity metrics for texts, addressing the limitations of traditional unsupervised NLP metrics like ROUGE and BLEU. We develop a framework where LLMs such as…

计算与语言 · 计算机科学 2024-02-22 Shaochen Xu , Zihao Wu , Huaqin Zhao , Peng Shu , Zhengliang Liu , Wenxiong Liao , Sheng Li , Andrea Sikora , Tianming Liu , Xiang Li

Semantic Textual Similarity (STS) is the basis of many applications in Natural Language Processing (NLP). Our system combines convolution and recurrent neural networks to measure the semantic similarity of sentences. It uses a convolution…

计算与语言 · 计算机科学 2018-10-26 Elvys Linhares Pontes , Stéphane Huet , Andréa Carneiro Linhares , Juan-Manuel Torres-Moreno

We identify the similarity between two words in English by casting the task as machine translation performance prediction (MTPP) between the words given the context and the distance between their similarities. We use referential translation…

计算与语言 · 计算机科学 2024-07-10 Ergun Biçici

Search techniques make use of elementary information such as term frequencies and document lengths in computation of similarity weighting. They can also exploit richer statistics, in particular the number of documents in which any two terms…

信息检索 · 计算机科学 2020-07-20 Bodo Billerbeck , Justin Zobel , Nicholas Lester , Nick Craswell
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