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People today typically use multiple online social networks (Facebook, Twitter, Google+, LinkedIn, etc.). Each online network represents a subset of their "real" ego-networks. An interesting and challenging problem is to reconcile these…

数据结构与算法 · 计算机科学 2013-11-21 Nitish Korula , Silvio Lattanzi

Graph Neural Networks (GNNs) have demonstrated impressive performance across diverse graph-based tasks by leveraging message passing to capture complex node relationships. However, on large-scale real-world graphs, GNNs face two major…

机器学习 · 计算机科学 2026-03-10 Xiang Li , Jianpeng Qi , Haobing Liu , Yuan Cao , Guoqing Chao , Zhongying Zhao , Junyu Dong , Xinwang Liu , Yanwei Yu

Analyzing patterns in data streams generated by network traffic, sensor networks, or satellite feeds is a challenge for systems in which the available storage is limited. In addition, real data is noisy, which makes designing data stream…

数据结构与算法 · 计算机科学 2017-11-15 Elena Grigorescu , Erfan Sadeqi Azer , Samson Zhou

String edit distances have been used for decades in applications ranging from spelling correction and web search suggestions to DNA analysis. Most string edit distances are variations of the Levenshtein distance and consider only…

基因组学 · 定量生物学 2022-05-12 Taylor Petty , Jan Hannig , Tunde I Huszar , Hari Iyer

We present a novel linear-time acyclic join algorithm, TreeTracker Join (TTJ). The algorithm can be understood as the pipelined binary hash join with a simple twist: upon a hash lookup failure, TTJ resets execution to the binding of the…

数据库 · 计算机科学 2025-05-19 Zeyuan Hu , Yisu Remy Wang , Daniel P. Miranker

Given a set of k networks, possibly with different sizes and no overlaps in nodes or edges, how can we quickly assess similarity between them, without solving the node-correspondence problem? Analogously, how can we extract a small number…

社会与信息网络 · 计算机科学 2012-09-13 Michele Berlingerio , Danai Koutra , Tina Eliassi-Rad , Christos Faloutsos

Large Language Models (LLMs) are increasingly deployed for structured data generation, yet output consistency remains critical for production applications. We introduce a comprehensive framework for evaluating and improving consistency in…

计算与语言 · 计算机科学 2026-01-01 Guanghui Wang , Jinze Yu , Xing Zhang , Dayuan Jiang , Yin Song , Tomal Deb , Xuefeng Liu , Peiyang He

Generating consistent and high-quality images from given texts is essential for visual-language understanding. Although impressive results have been achieved in generating high-quality images, text-image consistency is still a major concern…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Zhaorui Tan , Xi Yang , Zihan Ye , Qiufeng Wang , Yuyao Yan , Anh Nguyen , Kaizhu Huang

Vector space representations of words capture many aspects of word similarity, but such methods tend to make vector spaces in which antonyms (as well as synonyms) are close to each other. We present a new signed spectral normalized graph…

计算与语言 · 计算机科学 2016-01-21 João Sedoc , Jean Gallier , Lyle Ungar , Dean Foster

Contrastive learning, especially self-supervised contrastive learning (SSCL), has achieved great success in extracting powerful features from unlabeled data. In this work, we contribute to the theoretical understanding of SSCL and uncover…

机器学习 · 计算机科学 2023-06-05 Tianyang Hu , Zhili Liu , Fengwei Zhou , Wenjia Wang , Weiran Huang

Semantic Textual Similarity (STS) is a crucial component of many Natural Language Processing (NLP) applications. However, existing approaches typically reduce semantic nuances to a single score, limiting interpretability. To address this,…

计算与语言 · 计算机科学 2026-05-15 Diego Miguel Lozano , Daryna Dementieva , Alexander Fraser

Software vulnerabilities are commonly exploited as attack vectors in cyberattacks. Hence, it is crucial to identify vulnerable software configurations early to apply preventive measures. Effective vulnerability detection relies on…

密码学与安全 · 计算机科学 2024-12-24 Devesh Sawant , Manjesh K. Hanawal , Atul Kabra

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 similarity of two strings. A widely-used notion of string similarity is the edit distance: the minimum number of insertions, deletions, and substitutions required to transform one…

cmp-lg · 计算机科学 2008-02-03 Eric Sven Ristad , Peter N. Yianilos

We consider a community finding problem called Co-located Community Detection (CCD) over geo-social networks, which retrieves communities that satisfy both high structural tightness and spatial closeness constraints. To provide a solution…

数据库 · 计算机科学 2019-09-04 Xiuwen Zheng , Qiyu Liu , Amarnath Gupta

Building tools for code-mixed data is rapidly gaining popularity in the NLP research community as such data is exponentially rising on social media. Working with code-mixed data contains several challenges, especially due to grammatical…

计算与语言 · 计算机科学 2018-05-23 Soumil Mandal , Karthick Nanmaran

Learning from set-structured data is an essential problem with many applications in machine learning and computer vision. This paper focuses on non-parametric and data-independent learning from set-structured data using approximate nearest…

机器学习 · 计算机科学 2022-02-10 Yuzhe Lu , Xinran Liu , Andrea Soltoggio , Soheil Kolouri

Stochastic gradient descent (SGD) is an essential element in Machine Learning (ML) algorithms. Asynchronous parallel shared-memory SGD (AsyncSGD), including synchronization-free algorithms, e.g. HOGWILD!, have received interest in certain…

分布式、并行与集群计算 · 计算机科学 2021-02-19 Karl Bäckström , Ivan Walulya , Marina Papatriantafilou , Philippas Tsigas

Convolutional neural networks (CNNs) based approaches for semantic alignment and object landmark detection have improved their performance significantly. Current efforts for the two tasks focus on addressing the lack of massive training…

计算机视觉与模式识别 · 计算机科学 2019-10-03 Sangryul Jeon , Dongbo Min , Seungryong Kim , Kwanghoon Sohn

User-defined keyword spotting on a resource-constrained edge device is challenging. However, keywords are often bounded by a maximum keyword length, which has been largely under-leveraged in prior works. Our analysis of keyword-length…

音频与语音处理 · 电气工程与系统科学 2024-09-17 Kumari Nishu , Minsik Cho , Devang Naik