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Automatic evaluation metrics are a crucial component of dialog systems research. Standard language evaluation metrics are known to be ineffective for evaluating dialog. As such, recent research has proposed a number of novel,…

计算与语言 · 计算机科学 2021-07-09 Yi-Ting Yeh , Maxine Eskenazi , Shikib Mehri

In ordinal symbolic dynamics, transcripts describe the algebraic relationship between ordinal patterns. Using the concept of transcript, we exploit the mathematical structure of the group of permutations to derive properties and relations…

数据分析、统计与概率 · 物理学 2015-06-15 Roberto Monetti , Wolfram Bunk , Thomas Aschenbrenner , Stephan Springer , Jose Maria Amigo

Distance multivariance is a multivariate dependence measure, which can detect dependencies between an arbitrary number of random vectors each of which can have a distinct dimension. Here we discuss several new aspects, present a concise…

统计理论 · 数学 2020-04-17 Björn Böttcher

In this paper, we highlight a problem of evaluation metrics adopted in the open-vocabulary segmentation. That is, the evaluation process still heavily relies on closed-set metrics on zero-shot or cross-dataset pipelines without considering…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Hao Zhou , Tiancheng Shen , Xu Yang , Hai Huang , Xiangtai Li , Lu Qi , Ming-Hsuan Yang

We address the problem of segmenting an object given a natural language expression that describes it. Current techniques tackle this task by either (\textit{i}) directly or recursively merging linguistic and visual information in the…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Edgar Margffoy-Tuay , Juan C. Pérez , Emilio Botero , Pablo Arbeláez

Multiple people tracking is a key problem for many applications such as surveillance, animation or car navigation, and a key input for tasks such as activity recognition. In crowded environments occlusions and false detections are common,…

计算机视觉与模式识别 · 计算机科学 2016-12-01 Laura Leal-Taixé

A critical point of multi-document summarization (MDS) is to learn the relations among various documents. In this paper, we propose a novel abstractive MDS model, in which we represent multiple documents as a heterogeneous graph, taking…

计算与语言 · 计算机科学 2021-10-22 Peng Cui , Le Hu

Overcomplete representations and dictionary learning algorithms kept attracting a growing interest in the machine learning community. This paper addresses the emerging problem of comparing multivariate overcomplete representations. Despite…

机器学习 · 计算机科学 2021-02-11 Sylvain Chevallier , Quentin Barthélemy , Jamal Atif

Compositionality in language refers to how much the meaning of some phrase can be decomposed into the meaning of its constituents and the way these constituents are combined. Based on the premise that substitution by synonyms is…

计算与语言 · 计算机科学 2017-03-13 Christina Lioma , Niels Dalum Hansen

Multimodal data are now prevailing in scientific research. A central question in multimodal integrative analysis is to understand how two data modalities associate and interact with each other given another modality or demographic…

统计方法学 · 统计学 2021-04-27 Lexin Li , Jing Zeng , Xin Zhang

NLP research on aligning lexical representation spaces to one another has so far focused on aligning language spaces in their entirety. However, cognitive science has long focused on a local perspective, investigating whether translation…

计算与语言 · 计算机科学 2024-10-11 Taelin Karidi , Eitan Grossman , Omri Abend

Most works related to unithood were conducted as part of a larger effort for the determination of termhood. Consequently, the number of independent research that study the notion of unithood and produce dedicated techniques for measuring…

人工智能 · 计算机科学 2008-10-02 Wilson Wong , Wei Liu , Mohammed Bennamoun

Linguistic coordination is a well-established phenomenon in spoken conversations and often associated with positive social behaviors and outcomes. While there have been many attempts to measure lexical coordination or entrainment in…

This paper describes an extension to the constraint satisfaction problem (CSP) called MUSE CSP (MUltiply SEgmented Constraint Satisfaction Problem). This extension is especially useful for those problems which segment into multiple sets of…

人工智能 · 计算机科学 2014-11-17 R. A Helzerman , M. P. Harper

Conventional cell tracking methods detect multiple cells in each frame (detection) and then associate the detection results in successive time-frames (association). Most cell tracking methods perform the association task independently from…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Junya Hayashida , Kazuya Nishimura , Ryoma Bise

Automatic Multi-Word Term (MWT) extraction is a very important issue to many applications, such as information retrieval, question answering, and text categorization. Although many methods have been used for MWT extraction in English and…

计算与语言 · 计算机科学 2014-09-11 Abdelkader El Mahdaouy , Saïd EL Alaoui Ouatik , Eric Gaussier

Cohort studies employ pairwise measures of association to quantify dependencies among conditions and exposures. To reliably use these measures to draw conclusions about the underlying association strengths requires that the measures be…

定量方法 · 定量生物学 2017-05-30 Venkateshan Kannan , Kristina Alexandersson , Jesper Tegner

The increasing growth of databases raises an urgent need for more accurate methods to better understand the stored data. In this scope, association rules were extensively used for the analysis and the comprehension of huge amounts of data.…

数据库 · 计算机科学 2013-05-27 Slim Bouker , Rabie Saidi , Sadok Ben Yahia , Engelbert Mephu Nguifo

This paper addresses the construction of a short-vector (128D) image representation for large-scale image and particular object retrieval. In particular, the method of joint dimensionality reduction of multiple vocabularies is considered.…

计算机视觉与模式识别 · 计算机科学 2015-04-14 Filip Radenovic , Herve Jegou , Ondrej Chum

Inferring the coupling direction from measured time series of complex systems is challenging. We propose a new state space based causality measure obtained from cross-distance vectors for quantifying interaction strength. It is a model-free…

数据分析、统计与概率 · 物理学 2023-05-04 Martin Brešar , Pavle Boškoski