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The idea that the distance among pairs of languages can be evaluated from lexical differences seems to have its roots in the work of the French explorer Dumont D'Urville. He collected comparative words lists of various languages during his…

Computation and Language · Computer Science 2011-07-21 Maurizio Serva

Dynamic Time Warping (DTW) and Geometric Edit Distance (GED) are basic similarity measures between curves or general temporal sequences (e.g., time series) that are represented as sequences of points in some metric space $(X,…

Data Structures and Algorithms · Computer Science 2020-01-29 Omer Gold , Micha Sharir

Similarity search is an important problem in information retrieval. This similarity is based on a distance. Symbolic representation of time series has attracted many researchers recently, since it reduces the dimensionality of these high…

Information Retrieval · Computer Science 2010-06-18 Muhammad Marwan Muhammad Fuad , Pierre-François Marteau

Deep Metric Learning (DML) loss functions traditionally aim to control the forces of separability and compactness within an embedding space so that the same class data points are pulled together and different class ones are pushed apart.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Michael G. DeMoor , John J. Prevost

Measuring similarity is a basic task in information retrieval, and now often a building-block for more complex arguments about cultural change. But do measures of textual similarity and distance really correspond to evidence about cultural…

Computation and Language · Computer Science 2018-07-03 Ted Underwood

Querying uncertain data sets (represented as probability distributions) presents many challenges due to the large amount of data involved and the difficulties comparing uncertainty between distributions. The Earth Mover's Distance (EMD) has…

Databases · Computer Science 2011-12-01 Brian E. Ruttenberg , Ambuj K. Singh

We prove that the normalized edit distance proposed in [Marzal and Vidal 1993] is a metric when the cost of all the edit operations are the same. This closes a long standing gap in the literature where several authors noted that this…

Formal Languages and Automata Theory · Computer Science 2022-04-26 Dana Fisman , Joshua Grogin , Oded Margalit , Gera Weiss

Normalized compression distance (NCD) is a parameter-free, feature-free, alignment-free, similarity measure between a pair of finite objects based on compression. However, it is not sufficient for all applications. We propose an NCD of…

Computer Vision and Pattern Recognition · Computer Science 2016-01-28 Andrew R. Cohen , Paul M. B. Vitanyi

Several variants of deep neural networks have been successfully employed for building parametric models that project variable-duration spoken word segments onto fixed-size vector representations, or acoustic word embeddings (AWEs). However,…

Computation and Language · Computer Science 2021-06-17 Badr M. Abdullah , Marius Mosbach , Iuliia Zaitova , Bernd Möbius , Dietrich Klakow

Understanding the distance between human languages is central to linguistics, anthropology, and tracing human evolutionary history. Yet, while linguistics has long provided rich qualitative accounts of cross-linguistic variation, a unified…

Computation and Language · Computer Science 2026-03-19 Yue Zhao , Jiatao Gu , Paloma Jeretič , Weijie Su

We propose a new similarity measure between texts which, contrary to the current state-of-the-art approaches, takes a global view of the texts to be compared. We have implemented a tool to compute our textual distance and conducted…

Computation and Language · Computer Science 2014-05-15 Uli Fahrenberg , Fabrizio Biondi , Kevin Corre , Cyrille Jegourel , Simon Kongshøj , Axel Legay

In this paper we consider an edit distance with swap and mismatch operations, called tilde-distance, and introduce the corresponding definition of tilde-isometric word. Isometric words are classically defined with respect to Hamming…

Formal Languages and Automata Theory · Computer Science 2024-04-23 M. Anselmo , G. Castiglione , M. Flores , D. Giammarresi , M. Madonia , S. Mantaci

In this note, we propose an extension of the Wasserstein 1-metric ($W_1$) for matrix probability densities, matrix-valued density measures, and an unbalanced interpretation of mass transport. The key is using duality theory, in particular,…

Functional Analysis · Mathematics 2017-03-07 Yongxin Chen , Tryphon T. Georgiou , Lipeng Ning , Allen Tannenbaum

We survey a new area of parameter-free similarity distance measures useful in data-mining, pattern recognition, learning and automatic semantics extraction. Given a family of distances on a set of objects, a distance is universal up to a…

Information Retrieval · Computer Science 2007-05-23 Paul Vitanyi

Persistence diagrams (PDs) are used as signatures of point cloud data. Two clouds of points can be compared using the bottleneck distance d_B between their PDs. A potential drawback of this pipeline is that point clouds sampled from…

Computational Geometry · Computer Science 2024-08-30 Nathan H. May , Bala Krishnamoorthy , Patrick Gambill

This paper focuses on a similarity measure, known as the Wasserstein distance, with which to compare images. The Wasserstein distance results from a partial differential equation (PDE) formulation of Monge's optimal transport problem. We…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Michael Snow , Jan Van lent

AdamW has long been the dominant optimizer in language model pretraining, despite numerous claims that alternative optimizers offer 1.4 to 2x speedup. We posit that two methodological shortcomings have obscured fair comparisons and hindered…

Machine Learning · Computer Science 2025-09-08 Kaiyue Wen , David Hall , Tengyu Ma , Percy Liang

The notions of distance and similarity play a key role in many machine learning approaches, and artificial intelligence (AI) in general, since they can serve as an organizing principle by which individuals classify objects, form concepts…

Artificial Intelligence · Computer Science 2020-02-19 Santiago Ontañón

Recently, researchers started to pay attention to the detection of temporal shifts in the meaning of words. However, most (if not all) of these approaches restricted their efforts to uncovering change over time, thus neglecting other…

Computation and Language · Computer Science 2017-11-16 Hosein Azarbonyad , Mostafa Dehghani , Kaspar Beelen , Alexandra Arkut , Maarten Marx , Jaap Kamps

The paper considers various formalisms based on Automata, Temporal Logic and Regular Expressions for specifying queries over sequences. Unlike traditional binary semantics, the paper presents a similarity based semantics for thse…

Logic in Computer Science · Computer Science 2007-05-23 A. Prasad Sistla
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