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While continuous diffusion models excel in modeling continuous distributions, their application to categorical data has been less effective. Recent work has shown that ratio-matching through score-entropy within a continuous-time discrete…

机器学习 · 统计学 2026-02-09 Etrit Haxholli , Yeti Z. Gurbuz , Ogul Can , Eli Waxman

Sentence summarization aims at compressing a long sentence into a short one that keeps the main gist, and has extensive real-world applications such as headline generation. In previous work, researchers have developed various approaches to…

计算与语言 · 计算机科学 2022-10-18 Puyuan Liu , Xiang Zhang , Lili Mou

Temporal sentence grounding in videos aims to detect and localize one target video segment, which semantically corresponds to a given sentence. Existing methods mainly tackle this task via matching and aligning semantics between a sentence…

计算机视觉与模式识别 · 计算机科学 2019-11-01 Yitian Yuan , Lin Ma , Jingwen Wang , Wei Liu , Wenwu Zhu

This paper studies the remote estimation of multiple Markov sources over a lossy and rate-constrained channel. Unlike most existing studies that treat all source states equally, we exploit the \emph{semantics of information} and consider…

系统与控制 · 电气工程与系统科学 2025-05-22 Jiping Luo , Nikolaos Pappas

Phrase mining is a fundamental text mining task that aims to identify quality phrases from context. Nevertheless, the scarcity of extensive gold labels datasets, demanding substantial annotation efforts from experts, renders this task…

计算与语言 · 计算机科学 2024-01-01 Zhihao Zhang , Yuan Zuo , Chenghua Lin , Junjie Wu

Structured distributions, i.e. distributions over combinatorial spaces, are commonly used to learn latent probabilistic representations from observed data. However, scaling these models is bottlenecked by the high computational and memory…

计算与语言 · 计算机科学 2022-01-11 Justin T. Chiu , Yuntian Deng , Alexander M. Rush

In this paper, we propose a method for obtaining sentence-level embeddings. While the problem of securing word-level embeddings is very well studied, we propose a novel method for obtaining sentence-level embeddings. This is obtained by a…

计算与语言 · 计算机科学 2019-03-18 Badri N. Patro , Vinod K. Kurmi , Sandeep Kumar , Vinay P. Namboodiri

With the development of Internet technology, the phenomenon of information overload is becoming more and more obvious. It takes a lot of time for users to obtain the information they need. However, keyphrases that summarize document…

信息检索 · 计算机科学 2021-12-01 Chengzhi Zhang , Lei Zhao , Mengyuan Zhao , Yingyi Zhang

We present a novel deep learning method for estimating time-dependent parameters in Markov processes through discrete sampling. Departing from conventional machine learning, our approach reframes parameter approximation as an optimization…

We consider Markov decision processes (MDPs) in which the transition probabilities and rewards belong to an uncertainty set parametrized by a collection of random variables. The probability distributions for these random parameters are…

计算机科学中的逻辑 · 计算机科学 2020-02-26 Murat Cubuktepe , Nils Jansen , Sebastian Junges , Joost-Pieter Katoen , Ufuk Topcu

We propose a two-level stochastic context-free grammar (SCFG) architecture for parametrized stochastic modeling of a family of RNA sequences, including their secondary structure. A stochastic model of this type can be used for maximum a…

生物大分子 · 定量生物学 2014-03-06 Robert S. Maier

Automatic sentence summarization produces a shorter version of a sentence, while preserving its most important information. A good summary is characterized by language fluency and high information overlap with the source sentence. We model…

计算与语言 · 计算机科学 2020-05-06 Raphael Schumann , Lili Mou , Yao Lu , Olga Vechtomova , Katja Markert

In this manuscript, we introduce a novel Decision Flow (DF) framework for sampling decisions from a target distribution while incorporating additional guidance from a prior sampler. DF can be viewed as an AI-driven algorithmic reincarnation…

机器学习 · 计算机科学 2025-07-22 Michael Chertkov , Sungsoo Ahn , Hamidreza Behjoo

This paper presents an empirical study of two widely-used sequence prediction models, Conditional Random Fields (CRFs) and Long Short-Term Memory Networks (LSTMs), on two fundamental tasks for Vietnamese text processing, including…

计算与语言 · 计算机科学 2017-08-31 Phuong Le-Hong , Minh Pham Quang Nhat , Thai-Hoang Pham , Tuan-Anh Tran , Dang-Minh Nguyen

This paper presents NgramMarkov, a variant of the Markov constraints. It is dedicated to text generation in constraint programming (CP). It involves a set of n-grams (i.e., sequence of n words) associated with probabilities given by a large…

计算与语言 · 计算机科学 2024-08-06 Alexandre Bonlarron , Jean-Charles Régin

Consider $n$ random variables forming a Markov random field (MRF). The true model of the MRF is unknown, and it is assumed to belong to a binary set. The objective is to sequentially sample the random variables (one-at-a-time) such that the…

统计方法学 · 统计学 2020-08-04 Javad Heydari , Ali Tajer , H. Vincent Poor

Learning the cumulative distribution function (CDF) of an outcome variable conditional on a set of features remains challenging, especially in high-dimensional settings. Conditional transformation models provide a semi-parametric approach…

机器学习 · 计算机科学 2021-10-05 Philipp F. M. Baumann , Torsten Hothorn , David Rügamer

A Pseudo-Random Number Generator (PRNG) is any algorithm generating a sequence of numbers approximating properties of random numbers. These numbers are widely employed in mid-level cryptography and in software applications. Test suites are…

密码学与安全 · 计算机科学 2020-11-20 Luca Pasqualini , Maurizio Parton

The Dual-Path Convolution Recurrent Network (DPCRN) was proposed to effectively exploit time-frequency domain information. By combining the DPRNN module with Convolution Recurrent Network (CRN), the DPCRN obtained a promising performance in…

声音 · 计算机科学 2023-06-16 Liang Wan , Hongqing Liu , Yi Zhou , Jie Ji

We present a latent variable model for predicting the relationship between a pair of text sequences. Unlike previous auto-encoding--based approaches that consider each sequence separately, our proposed framework utilizes both sequences…

计算与语言 · 计算机科学 2019-06-05 Jihun Choi , Taeuk Kim , Sang-goo Lee
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