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The surge in scientific publications challenges the use of publication counts as a measure of scientific progress, requiring alternative metrics that emphasize the quality and novelty of scientific contributions rather than sheer quantity.…

数字图书馆 · 计算机科学 2024-09-04 Luca D'Aniello , Nicolas Robinson-Garcia , Massimo Aria , Corrado Cuccurullo

The ability to measure similarity between documents enables intelligent summarization and analysis of large corpora. Past distances between documents suffer from either an inability to incorporate semantic similarities between words or from…

机器学习 · 计算机科学 2019-11-05 Mikhail Yurochkin , Sebastian Claici , Edward Chien , Farzaneh Mirzazadeh , Justin Solomon

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

Edit distance with moves (EDM) is a string-to-string distance measure that includes substring moves in addition to ordinal editing operations to turn one string to the other. Although optimizing EDM is intractable, it has many applications…

数据结构与算法 · 计算机科学 2014-08-27 Yoshimasa Takabatake , Yasuo Tabei , Hiroshi Sakamoto

Word embeddings have become the basic building blocks for several natural language processing and information retrieval tasks. Pre-trained word embeddings are used in several downstream applications as well as for constructing…

计算与语言 · 计算机科学 2017-11-22 Vikas Raunak

This work advances floating-point program verification by introducing Augmented Weak-Distance (AWD), a principled extension of the Weak-Distance (WD) framework. WD is a recent approach that reformulates program analysis as a numerical…

编程语言 · 计算机科学 2025-05-21 Zhoulai Fu , Freek Verbeek , Binoy Ravindran

The Earth Mover Distance (EMD) between two sets of points $A, B \subseteq \mathbb{R}^d$ with $|A| = |B|$ is the minimum total Euclidean distance of any perfect matching between $A$ and $B$. One of its generalizations is asymmetric EMD,…

计算复杂性 · 计算机科学 2019-09-25 Dhruv Rohatgi

In this paper, we present a novel unsupervised algorithm for word sense disambiguation (WSD) at the document level. Our algorithm is inspired by a widely-used approach in the field of genetics for whole genome sequencing, known as the…

计算与语言 · 计算机科学 2017-07-26 Andrei M. Butnaru , Radu Tudor Ionescu , Florentina Hristea

The Wasserstein metric is broadly used in optimal transport for comparing two probabilistic distributions, with successful applications in various fields such as machine learning, signal processing, seismic inversion, etc. Nevertheless, the…

最优化与控制 · 数学 2022-02-22 Qichen Liao , Jing Chen , Zihao Wang , Bo Bai , Shi Jin , Hao Wu

We design an additive approximation scheme for estimating the cost of the min-weight bipartite matching problem: given a bipartite graph with non-negative edge costs and $\varepsilon > 0$, our algorithm estimates the cost of matching all…

数据结构与算法 · 计算机科学 2023-11-14 Lorenzo Beretta , Aviad Rubinstein

We present a novel online algorithm that learns the essence of each dimension in word embeddings by minimizing the within-group distance of contextualized embedding groups. Three state-of-the-art neural-based language models are used,…

计算与语言 · 计算机科学 2020-05-26 Xinyi Jiang , Zhengzhe Yang , Jinho D. Choi

In this work, we develop methods for few-shot image classification from a new perspective of optimal matching between image regions. We employ the Earth Mover's Distance (EMD) as a metric to compute a structural distance between dense image…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Chi Zhang , Yujun Cai , Guosheng Lin , Chunhua Shen

Word embeddings are a powerful approach for analyzing language and have been widely popular in numerous tasks in information retrieval and text mining. Training embeddings over huge corpora is computationally expensive because the input is…

机器学习 · 计算机科学 2018-12-11 Avishek Anand , Megha Khosla , Jaspreet Singh , Jan-Hendrik Zab , Zijian Zhang

Optimal transportation distances are a fundamental family of parameterized distances for histograms. Despite their appealing theoretical properties, excellent performance in retrieval tasks and intuitive formulation, their computation…

机器学习 · 统计学 2014-03-25 Marco Cuturi

There is rising interest in vector-space word embeddings and their use in NLP, especially given recent methods for their fast estimation at very large scale. Nearly all this work, however, assumes a single vector per word type ignoring…

计算与语言 · 计算机科学 2015-04-28 Arvind Neelakantan , Jeevan Shankar , Alexandre Passos , Andrew McCallum

Representing, comparing, and measuring the distance between probability distributions is a key task in computational statistics and machine learning. The choice of representation and the associated distance determine properties of the…

机器学习 · 统计学 2026-02-26 Masha Naslidnyk

Similar subtrajectory search is a finer-grained operator that can better capture the similarities between one query trajectory and a portion of a data trajectory than the traditional similar trajectory search, which requires the two checked…

数据库 · 计算机科学 2023-08-09 Jiabao Jin , Peng Cheng , Lei Chen , Xuemin Lin , Wenjie Zhang

With the rapid expansion in the scale of large language models (LLMs), enabling efficient distributed inference across multiple computing units has become increasingly critical. However, communication overheads from popular distributed…

分布式、并行与集群计算 · 计算机科学 2025-06-03 Han-Byul Kim , Duc Hoang , Arnav Kundu , Mohammad Samragh , Minsik Cho

Recently, finetuning a pretrained language model to capture the similarity between sentence embeddings has shown the state-of-the-art performance on the semantic textual similarity (STS) task. However, the absence of an interpretation…

人工智能 · 计算机科学 2022-04-15 Seonghyeon Lee , Dongha Lee , Seongbo Jang , Hwanjo Yu

Quantifying the dissimilarity of two texts is an important aspect of a number of natural language processing tasks, including semantic information retrieval, topic classification, and document clustering. In this paper, we compared the…

计算与语言 · 计算机科学 2023-05-05 Benjamin Shade , Eduardo G. Altmann